STRAUB Pipe Couplings - venta-russia.com · PROGRESSIVE ANCHORING EFFECT STRAUB-GRIP ... The dependable plain end coupling system that SAVES ... ductile iron, FRP, PVC, CPVC, C900,

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PROGRESSIVE ANCHORING EFFECT

STRAUB-GRIP

STRAUB-GRIP

STRAUB-FLEX

PROGRESSIVE SEALING EFFECT

SIMPLE – RAPID

80mm - 4mins!

AXIAL RESTRAINT

STRAUB-GRIP

AXIAL FLEXIBILITY

STRAUB-FLEX

FLEXIBILITY SPACE SAVING

Joins different pipe materials

Progressive lip seal technology

Can be installed without fire and explosion risk

Detachable and reusable

Economical repair conception

Over 180 approvals worldwide

STRAUB Pipe Couplings

VIBRATION AND NOISE DAMPING

High-Performance Pipe Couplings • 1-877-5-STRAUB �

The dependable plain end coupling system that SAVES TIME, SAVES MONEY and SAVES SPACE. The STRAUB coupling is a patented mechanical coupling system for joining plain end pipe in sizes 3⁄4" through 120".

HI-PErfOrMANCE PIPE COuPlINgS

STRAUB-FLEX

STRAUB-METAL-GRIP

Welded Joint

Flanged Joint

Angular Deflection: �0 degreesPressure: �00 PSIFAST And ECOnOMICAL

Stab fit design - ready to install No Special Tools Required

No Pipe End Preparation Reusable

The STRAUB system eliminates the need for any pipe end preparation, saving time and money. Assembly requires only a torque wrench to secure the pipe joint. The unique low profile design closes around the cir-cumference of the pipe or tube, creating a leak tight seal without the need for lubricant. STRAUB couplings are used to join virtually any plain end pipe or tube including steel, stainless steel, ductile iron, FRP, PVC, CPVC, C900, CPP, concrete pipe, copper, and CuNi.

Noise & Vibration Damping

UnIvERSAL USE• Suitable for almost any pipe material

• Joins pipes of the same or dissimilar materials

• Suitable for pressure, vacuum or suction lines

• Leakproof joint, due to the pressure responsive gasket

• Quick and simple repairs to existing pipe lines

ECOnOMICAL• Pre-assembled, stab-fit design ensures simple, rapid installation

• For use on plain-end pipes without the need for costly pipe end preparation

• Simply cut pipes to length, center coupling and tighten bolts

• Suitable for thick or thin wall pipes

• Needs only a torque wrench - no other special tools required

RELIABLE• Stress-free, flexible pipe joint

• Compensates for axial movement and angular deflection

• Pressure-resistant and leak-proof even with inaccurate pipe assembly

• Dampens water-hammer, vibration and structure-borne noise

EASy hAndLIng• Detachable and re-usable, maintenance free

• Eases pipe alignment problems

• Simple and quick to install, reduces installation costs

• No heat or fire hazard, can be fitted in fire risk or confined spaces without special equipment or permits

dURABLE• Progressive sealing effect, higher pressures reinforce the seal

• Axial restraint versions available, prevents pipe pull-out

• Corrosion resistant, all stainless steel construction

• Good resistance to temperature and chemicals

• Reusable

SPACE-SAvIng• Compact design, saves space and allows pipes to be compactly installed

• Allows the use of low profile pipe insulation

• Can be accessed in confined areas, coupling can be rotated to provide ease of access to bolts

• Light weight

Features & BeneFits

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STRAUB-METAL-gRIP & STRAUB-gRIP-LThe STRAUB-GRIP-L and STRAUB-METAL-GRIP couplings join plain end pipes with axial restraint. STRAUB-GRIP-L and STRAUB-METAL-GRIP provide pull out resistance in excess of the coupling’s rated work-ing pressure. Whether for pressure or suction lines, thick or thin wall pipe, the STRAUB-GRIP-L and STRAUB-METAL-GRIP couplings are installed quickly, safely and economically. Due to the unique design of the teeth, as internal pressure increases, the anchoring effect is pro-gressively increased. The engagement of the teeth into the pipe's out-side surfaces provides for electrical conductivity across the pipe joint.

STRAUB-FLExThe Straub-Flex coupling will join virtually any plain end pipe. Whether pressure or suction lines, thick or thin wall pipe, the STRAUB-FLEX coupling is installed quickly, safely and eco-nomically. STRAUB-FLEX couplings can accommodate pipe system expansion and contraction movement as well as angular deflection. STRAUB-FLEX couplings require the pipes to be axially restrained.

STRAUB-OPEn-FLExThe STRAUB-OPEN-FLEX is a split coupling version of STRAUB-FLEX, offering all the STRAUB-FLEX benefits, plus being able to make repairs to in service pipe lines. With the STRAUB-OPEN-FLEX coupling, leaks due to faulty weld joints, pitting holes and short cracks can be temporarily or permanently repaired with minimal down time. The split gasket design along with the slim line-casing can be wrapped around the pipe and assembled while the pipe system is under pres-sure and in service. Assembly tools are available to ease the assem-bly of the STRAUB-OPEN-FLEX coupling. When used to join pipe ends the STRAUB-OPEN-FLEX coupling provides the same flexibility features as the STRAUB-FLEX design. STRAUB-OPEN-FLEX cou-plings require the pipes to be axially restrained.

PRESSURE RESPOnSIvE SEAL Seal is reinforced by increasing

line pressure, ensuring long life performance.

Seals on rough pipe surfaces

No lubrication of gasket is required

Pressure or vacuum service

Absorbs noise and vibration

Low torque/compression ensures long service life

COMPACT dESIgn Saves Space

Allows pipes to be closely grouped

Allows low profile insulation

Corrosion resistant material

EASE OF hAndLIng & ASSEMBLy Light weight

Simple and quick to install

Stab Fit, no need to disassemble

Low torque required

No pipe end preparation

Reusable

Never needs retightening

No welding

ThE STRAUB COnCEPT

All STRAUB couplings require the correct use of a torque

wrench for a safe and proper installation. STRAUB

couplings must be torqued to the specified value

as printed on each individual coupling. Failure to

do so can result in injury or death.


ThE BASIC COnCEPT

STRAUB-FLEX type couplings do not have a grip ring and are therefore suitable for applications requiring axial movement due to thermal growth or other factors. STRAUB-FLEX couplings are a suitable replacement for expansion joints.

STRAUB-OPEN-FLEX couplings are a split case ver-sion of the standard STRAUB-FLEX coupling.

STRAUB-METAL-GRIP PAGE 9

STRAUB-GRIP-LPAGE 8

STRAUB-FLEXPAGE 10-12, 14, 15

STRAUB-OPEN-FLEX PAGE 10-12, 14, 15

NOT PULL OUT RESISTANT

PULL OUT RESISTANTSTRAUB-GRIP

STRAUB-FLEX/-OPEN-FLEX

STRAUB-GRIP type couplings utilize a patented grip ring and are pull-out resistant to a minimum of four times the agency approval working pressure.*

Two types of Straub Couplings

• STRAUB-GRIP

PUll oUT ReSISTAnT

• STRAUB-FleX/-oPen-FleX noT PUll oUT ReSISTAnT

STRAUB-gRIP

STRAUB-FLEx/-OPEn-FLEx

* Marine Approval Societies

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Components

COUPLIng TyPES

W1 W2 W4 W5

W1 W2 W4 W5Din aisi dIn AISI Din aisi dIn AISI

Casing 1.0570, galvanized 1024 1.��01 �0� 1.4301 304 1.��71 �1� TI

Bolts 1.7220 4135 1.7��0 �1�� 1.4404/1.4435 316L 1.��0�/1.�� 1�L

Bars 1.0737 galvanized 12L14 1.07�7, galvanized 1�L1� 1.4404/1.4435 316L 1.��0�/1.�� 1�L

Anchoring ring 1.43110 301 1.��10/1.��01 �01 1.4310/1.4301 301 1.��10 �01

Strip insert (option) 1.44350 316L 1.�� 1�L 1.�� 1�L 1.�� 1�L

gASkET SPECIFICATIOnS

gASkET MATERIAL: gEnERAL SERvICE APPLICATIOn: EPdM -4 to +180˚F Water, dilute acids, alkalies, salts, and many chemical services not involving (-4 to +212˚F*) hydrocarbons, oils or gases. Excellent oxidation resistance. NOT FOR USE WITH HYDROCARBONS.

nitrile -4 to +180˚F Petroleum products, vegetable oils, mineral oils and air contaminated with petroleum oils.

viton® High temperature resistance to oxidizing acids, petroleum oils, hydraulic fluids, -4 to +302˚F halogenated hydrocarbons and lubricants. (Not available in all sizes/types). * Maximum temperature limit is �1�˚F (100˚C) with EPDM gasket material and strip insert.

Higher temperature limits may be allowed subject to specific factory approval.

hOw TO ORdER (Example)

Example: STRAUB-gRIP-L -10 - IPS - SS- E - SSIRepresents STRAUB-GRIP-L style coupling for 10" IPS pipe with stainless steel lock parts, an EPDM gasket and the optional stainless strip insert.

PROdUCT dESIgnATIOn

nOMInAL PIPE SIzE OR PIPE O.d. PIPE dESIgnATIOn LOCk PARTS

gASkET MATERIAL

OPTIOnAL STRIP InSERT

STRAUB-GRIP-L 10" IPS Stainless Steel “SS” E - EPDM SSISTRAUB-METAL-GRIP CTS Galvanized “G” N - Nitrile PVDFSTRAUB-FLEX (casing type) AWWA V - Viton® TSTRAUB-OPEN-FLEX (casing type) Other (Supply actual Pipe OD)

Optional strip insert - AISI Type �1�L Stainless Steel, HDPE or PVDF.For casing designations refer to the size and pressure indicated in the STRAUB-FLEX and STRAUB-OPEN-FLEX selection chart.All materials meets ANSI / AISI standards.

MATERIAL SPECIFICATIOnS


Some of the approvals for Straub couplings are shown above. Straub couplings are approved and listed by a large number of national and international agencies in various industries, including water engineering, fire protection, mining, ship building & offshore, gas petrochemical and general industry. Contact Straub for details. Straub is an ISO 9001 certified manufacturing facility. uS Patent Numbers: 5 280 969, 5 137 305, 3 877 733, 5 273 322, 4 119 333, 4 629 217, 5 280 970, 4 664 422, 5 310 223, 5 203 594.

Straub Couplings meet or exceed the requirements of aStM 1476 & ISO/NP-15837/ 15838.

1. Straub Couplings are identified by either the nominal IPS pipe size, CtS tube size, or aWWa ductile iron pipe size in inches, or the pipe/tube OD in millimeters.

2. Nominal outside diameter of pipe or tube.

3. Maximum line pressure, including surge, to which the pipe joint should be subjected. Note: For a one-time field test the maximum joint working pressure may be increased to 11/2 times the figure shown.

(For Straub-GrIP-L and Straub-MEtaL-GrIP cou-plings, an additional pressure rating column is shown. this is for applications that require authorization by classification societies such as Marine approval bodies.)

4. Coupling external dimensions for reference purposes only.

5. the DV and KV assembled dimensions provided for reference.

6. Maximum allowable distance between pipe ends when assembled (with or without strip inserts).

7. Maximum end load from all interior and/or external forces to which the joint can be subjected.

8. Weight of complete coupling.

1 2 3 4 5 6 7 8

Nominal IPS

PIPe OutSIde dIameter

Working Pressure

COuPlINg dImeNSIONS

aSSembled dImeNSIONS

maxImum dIStaNCe betWeeN PIPe eNdS

(rmax.)maximum end load approx. Weight eachactual

Od range Without With+/- b C dV KV Strip insert

Inches In./mm In./mm psi/bar In./mm In./mm In./mm In./mm In./mm In./mm Lbs./kN Lbs./kg

INterNatIONal CertIfICatION

INduStrIeS SerVed

COuPlINg Chart NOteS

Shipbuilding & Offshore

Water & Wastewater

Gas turbines

Engine Manufacturing

Locomotives

ultra - Filtration

Compressors

Landfills

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STRAUB-gRIP-L COUPLIng

RC

B DV

KV

OD

strauB-GriP L

nominal IPS

PIPE OUTSIdE dIAMETERworking Pressure

Agency Approved Pressure*

COUPLIng dIMEnSIOnS

ASSEMBLEd dIMEnSIOnS

MAxIMUM dISTAnCE BETwEEn PIPE EndS

(Rmax.)Maximum End Load

Approx. weight EachActual

without withOd Range B C dv kv Strip insert

Inches In./mm In./mm psi/bar In./mm In./mm In./mm In./mm In./mm In./mm In./mm Lbs./kN Lbs./kg

�⁄�1.0�0 1.0� - 1.0� �70 �� 1.� 0.7 1.7 �.� 0.� 0.� 1,��0 0.�26.9 26.4 - 27.4 46 16.0 46 18 43 71 5 10 7.2 0.2

11.�1� 1.�1 - 1.�� 0 �� 1.� 0.7 � � 0.� 0.� �,000 0.�33.7 33.2 - 34.2 38 16.0 46 18 51 76 5 10 8.9 0.2

11⁄�1.��0 1.�� - 1.�9 �00 �� .� 1 �.� �.7 0.� 0.� �,��0 0.�42.4 41.9 - 42.9 30 16.0 61 25 61 94 5 10 11.8 0.4

11⁄�1.900 1.�� - 1.9� ��0 �� .� 1 �.� �.9 0.� 0.� �,970 0.948.3 47.7 - 48.7 30 16.0 61 25 66 99 5 10 13.2 0.4

��.�7� �.�� - �.�0 ��0 �� 1.� �.1 �.� 0.� 0.� �,��0 1.�60.3 59.6 - 60.9 22 16.0 76 38 79 109 10 15 15.4 0.5

�1⁄��.�7� �.�� - �.90 ��0 �� .7 1.� �.9 �.� 0.� 0.� 7,700 �.773.0 72.3 - 73.6 31 16.0 94 41 99 135 10 15 34.3 1.2

� �.�00 �.9� - �.0� ��0 �� .7 1.� �.� �.9 0.� 1.0 7,9�0 �.�88.9 75.1 - 76.9 31 16.0 94 41 112 150 10 25 35.4 1.2

�1⁄��.000 �.9� - �.0� ��0 �� .7 1.� �.1 �.� 0.� 0.� 11,�00 �.�101.6 100.5 - 102.6 22 16.0 94 36 130 160 15 15 49.8 1.5

��.�00 �.�� - �.�� .7 1.� �.� �.7 0.� 1 11,9�0 �.�114.3 113.2 - 115.3 16 16.0 94 41 137 170 10 25 53.3 1.5

��.�00 �.�1 - �.�� .� �.1 �.� �.� 0.� 1.� 1�,��0 �.7139.7 139.9 - 142.7 16 16.0 109 53 165 211 10 36 73.5 2.6

��.�� .�� - �.�9 �� 1�� .� �.1 7.� 9.1 0.� 1.� �1,990 �.�168.3 166.6 - 169.9 16 13.0 109 53 193 231 10 36 97.8 2.9

��.�� .�� - �.71 �� 1�� .� �.1 9.� 11.� 0.� 1.� �7,110 1�.0219.1 216.9 - 221.2 16 10.0 142 79 249 295 10 36 120.6 5.9

1010.7�0 10.�� - 10.�� 100 �7 �.� �.1 11.9 1� 0.� 1.� ��,�70 1�.7273.1 270.5 - 275.5 7 4.6 140 79 302 330 10 36 105.3 5.8

1�1�.7�0 1�.�� - 1�.�7 70 �� .� �.1 1�.9 1� 0.� 1.� ��,�10 1�.�323.9 320.5 - 326.8 5 3.6 140 79 353 381 10 36 98.8 6.5

1�1�.000 1�.�� - 1�.1� �0 �� .� �.1 1�.� 1�.� 0.� 1.� ��,��0 1�.�355.6 352.0 - 358.9 4 3.1 140 79 386 414 10 36 99.3 7.0

1�1�.000 1�.�� - 1�.1� �� .� �.1 17.1 1�.� 0.� 1.� ��,��0 1�.9406.4 402.5 - 410.4 3 2.4 140 79 434 465 10 36 116.7 7.7

1�1�.00 17.�1 - 1�.17 �0 �.� �.1 19.� �0.� 0.� 1.� 1�.�457.2 452.3 - 461.5 2.0 140 79 488 521 10 36 8.4

�0�0.00 19.�� - �0.1� �0 �.� �.1 �1.� ��.� 0.� 1.� �0.�508.0 503.4 - 512.5 2.0 140 79 538 569 10 36 9.2

��.00 �1.�� - ��.19 �0 �.� �.1 ��.� ��.� 0.� 1.� �1.�558.8 554.4 - 563.6 2.0 140 79 589 620 10 36 21.8

��.00 ��.�� - ��.17 1� �.� �.1 ��.� ��.� 0.� 1.� ��.�609.6 605.0 - 613.9 1.0 140 79 640 671 10 36 10.6

*Agency approved pressures are for applications that require authorization of Classification Societies, such as Marine Approval Bodies.

For IPS Outside diameter Pipe

Axial-Restraint Pipe Coupling

All STRAUB couplings require the correct use of a torque wrench for a safe and proper installation. STRAUB couplings must be torqued to the

specified value as printed on each individual coupling. Failure to do so can result in injury or death.

�/�" - �": W� only 10" - ��": W� or W�

High-Performance Pipe Couplings • 1-877-5-STRAUB 9

B

R

C

ODKV

DV

strauB-MetaL GriP

nominal IPS


Agency Approved Pressure*

COUPLIng dIMEnSIOnS



(Rmax.)Maximum End Load

Approx. weight

EachActualOd Range without with

+/- B C dv kv Strip insertInches In./mm In./mm psi/bar In./mm In./mm In./mm In./mm In./mm In./mm In./mm Lbs./kN Lbs./kg

11.�1� 1.�1 - 1.�� 900 �� .� 0.7 1.7 �.� 0.� 0.� �,1�0 0.733.7 33.2 - 34.2 62.1 16.0 66 18 43 66 5 15 13.9 0.3

11⁄�1.��0 1.�� - 1.�9 770 �� .� 0.� �.� �.� 0.� 0.� �,�00 1.142.4 41.9 - 42.9 53.1 16.0 61 20 61 89 5 15 18.7 0.5

11⁄�1.900 1.�� - 1.9� ��0 �� .� 0.� �.7 �.7 0.� 0.� �,��0 1.148.3 47.7 - 48.7 44.1 16.0 61 20 69 94 5 15 24.1 0.5

��.�7� �.�� - �.�0 ��0 �� 1.� �.� �.� 0.� 1.0 �,�90 1.760.3 59.6 - 60.9 37.2 16.0 76 38 81 109 10 25 26.2 0.8

��.�00 �.�� - �.�� 0 �� .7 1.� �.� �.7 0.� 1.0 1�,��0 �.�88.9 87.8 - 89.9 37.2 16.0 94 38 117 145 10 25 63.3 1.5

��.�00 �.�� - �.�� 90 �� .7 1.� �.� �.� 0.� 1.0 19,��0 �.�114.3 113.2 - 115.3 33.8 16.0 94 38 140 165 10 25 86.1 1.7

��.�00 �.�� - �.�� 70 �� .� 1.7 �.� 7.9 0.� 1.� �7,900 7.�139.7 138.7 - 141.2 32.4 16.0 109 43 168 201 15 36 124.1 3.5

��.�� .�� - �.�9 ��0 �� .� 1.7 7.9 9.1 0.� 1.� ��,990 �.�168.3 166.6 - 169.9 28.8 16.0 109 43 201 231 15 36 160.1 4.0

��.�� .�� - �.71 ��0 �� .9 �.� 10.� 11.� 0.� 1.� ��,9�0 �0.�219.1 216.9 - 221.2 26.2 16.0 150 61 259 295 15 36 248.8 9.4

1010.7�0 10.�� - 10.�� 00 17� �.� �.� 1�.� 1�.� 0.� 1.� ��,�10 ��.�273.1 270.5 - 275.5 20.7 12.0 147 66 318 371 15 36 304.3 15.2

1�1�.7�0 1�.�� - 1�.�7 ��0 1�� .� �.� 1�.� 1�.� 0.� 1.� ��,��0 �7.�323.9 320.5 - 326.8 17.2 10.0 147 66 368 419 15 36 370.7 17.2

1�1�.000 1�.�� - 1�.1� ��0 11� �.� �.� 1�.� 17.7 0.� 1.� 9�,770 �0.�355.6 352.0 - 358.9 17.2 8.0 147 66 401 450 15 36 417.1 18.3

1�1�.000 1�.�� - 1�.1� �00 11� �.� �.� 17.� 19.7 0.� 1.� 10�,970 ��.�406.4 402.5 - 410.4 13.8 8.0 147 66 452 500 15 36 466.9 24.7

1�1�.000 17.�1 - 1�.19 1�0 9� �.� �.� �0 �� 0.� 1.� 11�,100 �9.�457.2 452.3 - 462.0 8.3 6.4 147 66 508 559 15 36 525.4 27.0

�0�0.000 19.�0 - �0.�0 90 �0 �.� �.� �� 0.� 1.� 11�,��0 ��.�508.0 502.9 - 513.0 6.2 5.5 147 66 559 610 15 36 527.0 29.2

��.000 ��.�0 - ��.19 70 �� .� �.� �� 0.� 1.� 11�,100 7�.�609.6 604.5 - 614.4 4.9 4.4 147 66 660 711 15 36 525.4 33.7

*Agency approved pressures are for applications that require authorization of Classification Societies, such as Marine Approval Bodies.


STRAUB-METAL gRIP COUPLIng

Axial-Restraint Pipe Coupling



1" - �": W� or W� 10" - ��": W1 only

10

B

CR

OD

D

KV

V

FLEx COUPLIngstrauB-FLeX 1L & strauB-OPen-FLeX 1L

nominal IPS


COUPLIng dIMEnSIOnS



(Rmax.)Approx. weight

EachActualOd Range without with

+/- B C dv kv Strip insertInches In./mm In./mm psi/bar In./mm In./mm In./mm In./mm In./mm In./mm Lbs./kg

11⁄�1.900 1.�� - 1.9� �� .0 1.� �.� �.� 0.� 0.� 1.148.3 46.9 - 49.5 25 76 46 71 85 5 15 0.5

��.�7� �.�� - �.�� .0 1.� �.� �.7 0.� 0.� 1.�60.3 58.9 - 61.4 16.0 76 46 81 95 5 15 0.6

�1⁄��.�7� �.�1 - �.9� �� .0 1.� �.� �.7 0.� 0.� 1.7�73.0 71.3 - 74.4 16.0 76 46 81 95 5 15 .8

��.�00 �.�� - �.�� .7 �.0 �.� �.9 0.� 1.0 �.188.9 87.3 - 90.4 16.0 94 51 112 125 5 25 1.0

��.�00 �.�� - �.�7 �� .7 �.0 �.� �.9 0.� 1.0 �.�114.3 112.5 - 116.0 16.0 94 51 137 150 5 25 1.1

��.�00 �.�9 - �.�� .� �.� �.� �.9 0.� 1.� �.1139.7 139.4 - 136.1 16.0 107 61 163 100 5 35 1.4

��.�� .�� - �.71 �� .� �.� 7.� �.� 0.� 1.� �.7168.3 166.1 - 170.4 16.0 107 61 191 210 5 35 1.7

strauB-FLeX 2 & strauB-OPen-FLeX 2 DimensionsSTRAUB-FLEx or STRAUB-OPEn-FLEx

TyPE

COUPLIng dIMEnSIOnS


Maximum distance Between Pipe Ends (Rmax.)

without withB C dv Strip insert

In./mm In./mm In./mm In./mm In./mm

�L�.� �.� OD+.91 0.�9 1.��138 91 OD+23 10 35

�LS�.� �.� OD+.9� 0.�9 1.��140 91 OD+24 10 35

�LU�.� �.� OD+.9� 0.�9 1.��141 91 OD+24 10 35

�H�.� �.� OD+1.0� 0.�9 1.��142 91 OD+26 10 35

�XS�.� �.� OD+1.�� 0.�9 1.��148 91 OD+32 10 35


TyPE

COUPLIng dIMEnSIOnS





�L�.� �.0 OD+1.�� 0.�9 �.��210 127 OD+36 15 60

�LS�.� �.0 OD+1.�� 0.�9 �.��210 127 OD+37 15 60

�LU�.� �.0 OD+1.�0 0.�9 �.��

213.4 127 OD+38 15 60

�H�.�� .0 OD+1.� 0.�9 �.��212 127 OD+38 15 60

�X�.�� .0 OD+1.7� 0.�9 �.��218 127 OD+44 15 60

STRAUB-FLEx & STRAUB-OPEn-FLEx COUPLIng


non-Axial Restraint Pipe Coupling

• Pipes must be properly anchored and supported.

• STRAUB-FLEX & STRAUB-OPEN-FLEX Couplings are NOT pull-out resistant.



STRAUB-OPEN-FLEX

* W� or W�

* W1, W�, or W�. consult factory for details



TyPE

COUPLIng dIMEnSIOnS





�L�.� �.0 OD+1.�� 0.�9 �.��210 127 OD+36 15 60

�LS�.� �.0 OD+1.�� 0.�9 �.��210 127 OD+37 15 60

�LU�.� �.0 OD+1.�0 0.�9 �.��

213.4 127 OD+38 15 60

�H�.�� .0 OD+1.� 0.�9 �.��212 127 OD+38 15 60

�X�.�� .0 OD+1.7� 0.�9 �.��218 127 OD+44 15 60

For pressure ratings see Selection Charts.

The selection charts are used to select the proper TYPE of STRAUB-FLEX or STRAUB-OPEN-FLEX coupling for the application pressure. Separate charts are used for the TYPE 2 and 3 designs.

For complete dimensional data, see Page 10 or please consult the factory, STRAUB Technical Manual, or an authorized STRAUB Distributor.

STRAUB-OPEN-FLEX Installation tool available.

Other sizes available upon request.

*STRAUB-FLEX/OPEN-FLEX is also available in a two-piece construction - useful for very tight spaces and for ease of handling.

CB D

R

V

OD

strauB-FLeX 2 & strauB-OPen-FLeX 2 selection Chart

nominal IPS Pipe Size

Pipe Outside diameter

2LSworking Pressure

2LUworking Pressure

2hworking Pressure

2xSworking Pressure

(Inches) In./mm psi/bar psi/bar psi/bar psi/bar

��.�� 19� ��7219.1 13.5 25

1010.7�0 1�1 �� 7273.1 11 22 25

1�1�.7�0 1�� 7323.9 9.5 18.5 25

1�1�.000 117 ��9 ��7355.6 8.5 17 25

1�1�.000 10� ��0 �� 7406.4 7.5 15 22 25

1�1�.000 �� 191 �79 ��7457.2 6.5 13 19 25

�0�0.000 �� 17� ��9 ��7508.0 6 12 17 25

��.000 7� 1�7 �0� ��7609.6 5 10 14 25

��.000 �� 117 17� ��7711.2 4 8 12 25

�0�0.000 �� 117 17� ��762.0 4 8 12 23

��.000 �1 110 1�1 ��812.8 3.5 7.5 11 22

��.000 �1 9� 1�7 �9�914.4 3.5 6.5 10 20

��.000 �� 0 1�7 ��91066.8 3 5.5 10 17

��.000 �� 7� 10� ��01219.2 2.5 5 7 15








*2-piece executionSTRAUB-FLEX

1�

CB D

R

V

OD

strauB-FLeX 3 & strauB-OPen-FLeX 3 selection Chart

nominal IPS Pipe Size diameter

3Lworking Pressure

3LSworking Pressure

3LUworking Pressure

3hworking Pressure

3xworking Pressure

(Inches) In./mm psi/bar psi/bar psi/bar psi/bar psi/bar

1�1�.7�0 1�� 1�9 ��323.9 9.9 13.0 25.0

1�1�.000 119 1�0 ��355.6 8.2 11.0 25.0

1�1�.000 107 1�0 �� 406.4 7.4 9.7 22.6 25.0

1�1�.000 9� 1�� 9� ��457.2 6.6 8.6 20.1 25.0

�0�0.000 �� 11� �� 508.0 5.9 7.7 18.1 25.0

��.000 71 9� �0� ��1 ��609.6 4.9 7.0 14 17.3 25.0

��.000 �9 �1 17� �1� ��711.2 4.1 5.6 12 15.0 25.0

�0�0.000 �� 7� 1�0 �0� ��762.0 3.8 5.1 11 14.0 25.0

��.000 �� 71 1�� 1�9 ��812.8 3.8 4.9 10.5 13.0 25.0

��.000 �� 1�� 1�7 ��914.4 3.2 4.4 8.5 11.5 23.0

��.000 �9 �� 107 1�� 11066.8 2.7 3.7 7.3 10.0 18.0

��.000 �� 1 9� 1�� 71219.2 2.3 3.5 6.5 8.5 17.0

��.000 �0 �� 1 11� ��1371.6 2.1 2.9 5.5 7.5 15.4

�0�0.000 �� 7� 10� �0�1524.0 2.5 2.5 5.0 7.0 14.0

��.000 �� 0 �9 1��1676.4 2.2 2.4 4.1 6.0 12.5

7�7�.000 �9 �9 �1 �0 1�01828.8 2.0 2.0 3.5 5.5 11.0



B

CR

OD

D

KV

V

STRAUB-FLEX

STRAUB-OPEN-FLEX

For complete dimensional data, see Page 10 or please consult the factory, STRAUB Technical Manual, or an authorized STRAUB Distributor.


non-Axial Restraint Pipe Couplings





High-Performance Pipe Couplings • 1-877-5-STRAUB 1�

C

B

R

DV

KV

OD

High-Pressure Type

STRAUB-IROn-gRIP COUPLIngS

strauB-irOn GriP (DuCtiLe irOn size)

nominal ductile Iron

Pipe Size

PIPE OUTSIdE dIAMETER

working Pressure

COUPLIng dIMEnSIOnS



Maximum End Load

Approx. weight Each

Od RangeActual +/- B C dv kv Strip insert


��.�00 �.7� - �.�� 0 �.7� 1.�1 �.91 �.�9 0.� 1.0 1�,77� �.�121.9 120.9 - 122.9 17.2 95 41 150 175 10 25 56.8 1.9

��.900 �.�� - �.97 �00 �.�� .1� �.�� 9.�� 0.� 1.� ��,900 7175.3 173.4 - 177.0 13.8 110 54 215 245 10 35 101.9 3.2

�9.0�0 �.9� - 9.1� 1�0 �.�9 �.1� 10.�� 11.�1 0.� 1.� ��,0�0 1�229.9 227.5 - 232.1 10.3 142 80 265 300 10 35 382.9 6.5

10*11.100 11.00 - 11.�0 ��0 �.�� .�� 1�.�9 1�.9� 0.� 1.� 70,�� .�281.9 279.4 - 284.4 17.2 148 67 340 380 15 35 314.3 15.7

1�*1�.�00 1�.0� - 1�.�� 0 �.�� .�� 1�.9� 17.1� 0.� 1.� ��,0�0 �9335.3 332.2 - 338.3 17.2 148 67 405 435 15 35 382.9 17.8

1�*1�.�00 1�.1� - 1�.�� 00 �.�� .�� 1�.�1 19.�9 0.� 1.� 10�,�� .0388.6 385.0 - 392.1 13.8 148 67 465 490 15 35 455.9 20.0

1�*17.�00 17.�� - 17.�� 00 �.�� .�� 0.�7 �1.�� 0.� 1.� 11�,�70 ��.�442.0 438.1 - 445.7 13.8 148 67 530 545 15 35 508.3 25.5

1�*19.�00 19.�1 - 19.�9 1�0 �.0� �.�� 1.�� .�� 0.� 1.� 1�7,9�0 ��.9495.3 490.4 - 500.1 10.3 153 67 550 595 15 35 569.0 28.6

�0*�1.�00 �1.�0 - �1.�0 1�0 �.0� �.�� .0� ��.�9 0.� 1.� 1�7,7�0 �9548.6 543.5 - 553.7 10.3 153 67 610 650 15 35 568.4 31.2

��*��.�00 ��.�0 - ��.00 100 �.0� �.�� .7� �9.7� 0.� 1.� 1��,�10 �1.�655.3 650.2 - 660.4 6.9 153 67 730 755 15 35 564 37.1

For AwwA ductile Iron Pipe Outside diameter Pipe

Standard Pressure Type

RC

B DV

KV

OD

Axial Restraint Pipe Couplings



* Indicates "high-pressure" type - available with galvanized casings only.Other sizes and pressure ratings available in stainless steel - consult factory for information.

fits:Ductile Iron & C-900 Pipe OD's

�" - �": W� standard W� on request

1�

strauB-FLeX 1L & strauB-OPen-FLeX 1 Dimensions

nominal ductile Iron

Pipe Size


working Pressure

COUPLIng dIMEnSIOnS ASSEMBLEd dIMEnSIOnS


Approx. weight Each

Od Range without withActual +/- B C dv kv Strip insert

Inches In./mm In./mm psi/bar In./mm In./mm In./mm In./mm In./mm In./mm Lbs./kg

��.�00 �.7� - �.�� .70 �.01 �.�1 �.�0 0.� 1.0 �.�121.9 120.9 - 122.9 16.0 94 51 140 160 5 25 1.1

��.900 �.�� - �.97 �� .�1 �.�� .07 �.�� 0.� 1.� �.�175.3 173.4 - 177.0 16.0 107 62 205 215 5 35 1.7


TyPE

COUPLIng dIMEnSIOnS





�L�.� �.� OD+.91 0.�9 1.��138 91 OD+23 10 35

�LS�.� �.� OD+.9� 0.�9 1.��140 91 OD+24 10 35

�LU�.� �.� OD+.9� 0.�9 1.��141 91 OD+24 10 35

�H�.� �.� OD+1.0� 0.�9 1.��142 91 OD+26 10 35

�XS�.� �.� OD+1.�� 0.�9 1.��148 91 OD+32 10 35

strauB-FLeX 3 & strauB-OPen-FLeX 3 DimensionsSTRAUB-FLEx or STRAUB-

OPEn-FLExTyPE

COUPLIng dIMEnSIOnS


Maximum distance Between Pipe Ends (Rmax.)without with

B C dv Strip insertIn./mm In./mm In./mm In./mm In./mm

�L�.� �.0 OD+1.�� 0.�9 �.��210 127 OD+36 15 60

�LS�.� �.0 OD+1.�� 0.�9 �.��210 127 OD+37 15 60

�LU�.� �.0 OD+1.� 0.�9 �.��213 127 OD+38 15 60

�H�.�� .0 OD+1.� 0.�9 �.��212 127 OD+38 15 60

�X�.�� .0 OD+1.7� 0.�9 �.��218 127 OD+44 15 60

STRAUB-FLEx & STRAUB-OPEn-FLEx COUPLIngS


B

CR

OD

D

KV

V

STRAUB-FLEX






Fits:Ductile Iron & C-900 Pipe OD's

*W1, W�, or W� Consult Factory for details

*W� or W�

High-Performance Pipe Couplings • 1-877-5-STRAUB 1�

STRAUB-FLEx & STRAUB-OPEn-FLEx COUPLIngS

For pressure ratings see Selection Charts.

The selection charts are used to select the proper TYPE of STRAUB-FLEX or STRAUB-OPEN-FLEX coupling for the application pressure.

strauB-FLeX 2 & strauB-OPen-FLeX 2 selectionnominal ductile Iron Pipe Sizes


2LS working Pressure

2LU working Pressure

2h working Pressure

2xS working Pressure

Inches In./mm psi/bar psi/bar psi/bar psi/bar

�9.0�0 19� ��229.9 13.5 25.0

1011.100 1�0 �19281.9 11.0 22

1�1�.�00 1�� 0 �90335.3 10.0 19.3 20.0

1�1�.�00 1�� 0 �90388.6 8.4 15.8 20.0

1�17.�00 109 �10 ��7 �90442.0 7.5 14.4 19.8 20.0

1�19.�00 9� 17� ��0 �90495.3 6.4 12.0 17.9 20.0

�0�1.�00 �0 1�� 90548.6 5.5 10.4 16.2 20.0

��.�00 70 1�� 197 �90655.3 4.8 10 13.6 20.0

�0��.000 �0 109 1�� 90812.8 3.4 7.5 10.2 20.0

��.�00 �� 1�� 90972.8 3.1 5.8 8.6 20.0

��.�00 �� 0 10� �901130.3 2.4 5.5 7.2 20.0


CB D

R

V

OD

STRAUB-OPEN-FLEX

strauB-FLeX 3 & strauB-OPen-FLeX 3 selectionnominal

ductile Iron Pipe Sizes


Maximum 3L working

Pressure

Maximum 3LS working

Pressure

Maximum 3h working

Pressure

Maximum 3x working

Pressure (Inches) In./mm psi/bar psi/bar psi/bar psi/bar

1�1�.�00 1�� 1�9335.3 9.9 13.0

1�1�.�00 119 1�0388.6 8.2 11.0

1�17.�00 10� 1�0 ��442.0 7.2 9.7 25.0

1�19.�00 9� 1�� 495.3 6.6 8.5 25.0

�0�1.�00 �� 110 ��548.6 5.9 7.6 25.0

��.�00 71 9� ��1 ��655.3 4.9 7.0 17.3 25.0

�0��.000 �� 7� �0� ��812.8 3.8 5.1 14.0 25.0

��.�00 �� 1�7 ��972.8 3.2 4.4 11.5 23

��.�00 �9 �� 1�� 11130.3 2.7 3.7 10.0 18

��0.�00 �� 1 1�� 71290.3 2.3 3.5 8.5 17

��7.��0 �0 �� 11� ��1462.0 2.1 2.9 7.8 15.4

�0�1.�10 �� 10� �0�1564.9 2.5 2.5 7.0 14

7�75.340 29 29 80 1601913.6 2.0 2.0 5.5 11







Fits:Ductile Iron & C-900 Pipe OD's

1�

RC

B DV

KV

OD

strauB-GriP-L Copper tube sizes (Cts)

nominal Tubing Size


workingPressure

COUPLIng dIMEnSIOns


Maximum distance Between Pipe Ends

(Rmax.)

MaximumEnd Load

Approx. weight Each

Od Range without withActual +/- B C dv kv Strip insert


�"�.1�� .10 - �.1� ��0 �.0 1.� �.0 �.1 0.� 0.� 1,��9 1.154.0 53.5 - 54.5 17.2 76 37 75 105 10 15 5.90 0.5

�1⁄�"�.�� .�� - �.�� 90 �.7 1.� �.� �.0 0.� 0.� 7,000 1.��66.6 64.9 - 67.3 27 94 36 89 127 10 15 31.10 0.7

�"�.1�� .09 - �.1� �� .7 1.� �.0 �.� 0.� 0.� 7,700 �.��79.4 78.7 - 80.3 23 94 36 102 137 10 15 34.30 1.3

�"�.1�� .0� - �.17 ��0 �.7 1.� �.� �.1 0.� 1.0 �,771 �.�104.8 103.8 - 105.8 17.2 94 36 135 155 10 25 21.20 1.5

�"�.1�� .0� - �.19 �00 �.� 1.9 7.� �.� 0.� 1.� 10,��1 �.�155.6 154.1 - 157.1 13.8 110 48 185 210 10 30 46.00 3.0

�"�.1�� .0� - �.�0 100 �.� �.1 9.� 10.� 0.� 1.� 17,�� 1�.1206.4 204.4 - 208.4 6.9 140 80 235 264 10 35 56.80 12.1

strauB-FLeX Copper tube sizes (Cts) Based on Flex iL

nominal Tubing Size


workingPressure

COUPLIng dIMEnSIOns



Approx. weight Each

Actual Od Range without with+/- B C dv kv Strip insert

Inches In./mm In./mm psi/bar In./mm In./mm In./mm In./mm In./mm In./mm Lbs./kg

�"�.1�� .10 - �.1� �� .0 1.� �.0 �.� 0.� 0.� 1.�154.0 53.5 - 54.5 16.0 75 35 75 90 5 15 0.58

�1⁄�"�.�� .�� - �.�� .0 1.� �.0 �.� 0.� 0.� 1.�66.6 64.9 - 67.3 16.0 75 35 75 90 5 15 0.59

�"�.1�� .09 - �.1� �� .0 1.� �.0 �.� 0.� 0.� �.179.4 78.7 - 80.3 16.0 75 35 75 90 5 15 0.95

�"�.1�� .0� - �.17 �� .7 �.0 �.9 �.� 0.� 1.0 �.�104.8 103.8 - 105.8 16.0 94 51 125 140 5 25 1.04

�"�.1�� .0� - �.19 �� .� �.� �.9 7.7 0.� 1.� �.��155.6 154.1 - 157.1 16.0 107 62 175 195 5 35 1.61

*�"�.1�� .0� - �.�0 1�0 �.� �.1 9.� 10.� 0.� 1.� �.0206.4 204.4 - 208.4 10.3 140 80 235 264 10 35 2.72

STRAUB COUPLIngS FOR COPPER TUBE

STRAUB-GRIP-L for Copper Tube

B

CR

OD

D

KV

V

STRAUB-FLEX for Copper Tube STRAUB-OPEN-FLEX for Copper Tube

CB D

R

V

OD

Axial Restraint Pipe Couplings

non-Axial Restraint Pipe Couplings



*W� only

*W1, W�, or W� Consult Factory for details

*Important - STRAUB-FLEX and STRAUB-OPEN-FLEX designs require pipes to be properly anchored and supported.


dIMEnSIOnS And MInIMUM PIPE wALL ThICknESS

Pipe diameter Pipe Od Minimum wall Thickness

IPS Metric IPS MetricStainless Steel STRAUB-gRIP-L & METAL-gRIP

Copper-nickel Cuni Class 200 STRAUB-gRIP-L

(nominal) (dIn Std.) inch mm mm in/mm �⁄� �0 1.0�0 ��.9 1.� .0�/1.0�

�� 1.1�0 �0.0 1.�1 �� 1.�� .7 1.� .0�/1.�7

�� 1.�9� ��.0 1.�11⁄� �� 1.�70 ��.� 1.� .0�/1.�7

�0 1.7�0 ��.� 1.�11⁄� �0 1.900 ��.� 1.� .0�/1.�7

�0 �.1�� .0 1.��0 �.�� 7.0 1.�

� �0 �.�7� �0.� 1.� .0�/1.�� .�� .� �.0�� .7�� 70.0 �.0

�1⁄� �� .�7� 7�.0 �.0 .07/1.7�� .000 7�.1 �.0

�� .1�� 79.� �.0�0 �.�0� ��.0 �.0

� �0 �.�00 ��.9 �.0 .0�/�.0��1⁄� �0 �.9�0 100.� �.0 .0�/�.0�

90 �.000 101.� �.0 100 �.09� 10�.0 �.0 100 �.1�� 10�.� �.0

100 �.��0 10�.0 �.0� 100 �.�00 11�.� �.0 .09/�.�9

100 �.000 1�7.0 �.�1�� .0�0 1�9.0 �.�1�� .1�� 1�0.� �.�

1�1.0* �.01�� .�� 1��.0 �.�

� 1�� .�00 1�9.7 �.� .10/�.��1�� .�� 1�1.� �.�1�0 �.0�� 1��.0 �.�

1��.�* �.�1�0 �.��0 1�9.0 �.�

� 1�0 �.�� 1��.� �.� .1�/�.0��00 7.�� 19�.7 �.0

�0�.�� 00 �.�� 19.1 �.0 .1�/�.�1

Minimum Wall Data Below For STRAUB-GRIP-L Only * �� 9.�� .� �.0

��0 10.�10 ��7.0 �.010 ��0 10.7�0 �7�.0 �.0 .19/�.��

�0�.0 �.01� �00 1�.7�0 ��.9 �.0 .��/�.�01� ��0 1�.000 ��.� �.0 .��/�.101� �00 1�.000 �0�.� �.0 .�7/�.��1� ��0 1�.000 ��7.� �.0 .�0/7.��0 �00 �0.000 �0�.0 �.0 .��/�.�� 0 ��.000 ��.� �.0 .��/9.1�� 00 ��.000 �09.� �.0 .�0/10.1�

standard IPS diameter

1 mm = .0�9�7 in

*For STRAUB-METAL-GRIP data on these sizes please consult factory.

1�

Pipe Materials Stiffening RingSTRAUB-METAL GRIP/

STRAUB-GRIP-LSTRAUB-FLEX/STRAUB-

OPEN-FLEXSTRAUB-COMBI GRIP/

PLASTI GRIPRemarks

HDPE, PP, Noryl Required - X Xfor STRAUB-FLEX pipes must be

properly anchoredPVC, ABS, CPVC, C900 - X X XCFK, CRP, FRP, GRP (Centrifugal wound pipes)

- - X -Seal pipe surface at the cutting

edge

Asbestos cement - - X -

Concrete, CPP - - X -equalize rough surface with

coating or fillerCast (ductile, grey) - X X XGlass, Ceramic - - X

Copper-Nickel - X X Xsoft copper with stiffening ring

onlyAluminum - X X X

COUPLIng/PIPE COMPATIBILITy:

FORCES TO AvOId

Pull-Out Forces

Axial Force (FA)

OK for STRAUB-GRIP Type. Not resisted by STRAUB-FLEX/OPEN-FLEX

sheer Loads*

(consult factory for specific data)

Weight (FR)

Not resisted by STRAUB-FLEX or STRAUB-GRIP

Knee

Buckling (Fk)

Not resisted by STRAUB-FLEX or STRAUB-GRIP. Pipes must be properly guided.

STRAUB PIPE COUPLIngS

*Please consult the factory or an authorized STRAUB Distributor for any installation or application questions.


InSTALLATIOn InFORMATIOn

STRIP InSERTSStrip inserts need only be used if required. Strip inserts pro-tect the sealing sleeve against mechanical or chemical dam-age in the pipe end area. Strip inserts are required when the distance between pipe ends is excessive or with axial move-ment (expansion, contraction) combined with angular deflec-tion, axial misalignment, vacuum/depression (suction line), fuel and combustibles that may cause swelling. The installation can be pre-fitted for all pipe coupling types. Selection of insert material to be dictated by the medium. "T" type inserts (shown) also available for special applications.

STRAUB PIPE COUPLIngS InSTALLATIOn And REMOvAL InSTRUCTIOnS

InSTALLATIOnDo not disassemble coupling. Coupling comes ready to install. Cut pipes to desired lengths. Clean and de-burr pipe ends. Pipes must be properly supported. Center coupling over gap between pipe ends. Do not exceed maximum gap that is printed on couplings. Using a torque wrench, tighten bolts to torque value printed on coupling.Insure that all bolts have been correctly torqued.

REMOvALMake sure there is no pressure or product in the system. Loosen bolts. Do not remove bolts completely. Carefully pry up and tap casing to release grip ring and gasket from pipe surface. Slide coupling to side for removal.

CAUTIOnDo not attempt to move coupling over pipe after tightening. After coupling has been correctly installed, do not re-torque. Do not hang weight of pipe in coupling. Insure that pipes are properly supported. STRAUB-FLEX Type couplings require anchored pipes. STRAUB-FLEX Type couplings are not pull out resistant.



IMPORTAnT APPLICATIOn InFORMATIOn A strip insert is required for vacuum service or for external pressure. See Column 6 for maximum gap requirements.

STRAUB couplings are assembled with an internal silicone lubricant, special order when silicone-free product is required.

STRAUB couplings are not designed to accommodate shear loading, or rotational (torsional) pipe movement. The weight of the pipe and contents must be supported. Only “STRAUB-GRIP” couplings provide axial restraint.

STRAUB-FLEX Type couplings “DO NOT PROVIDE FOR AXIAL TYPE RESTRAINT”. When using STRAUB-FLEX type cou-plings, pipes must be properly anchored and supported.

All STRAUB couplings require the correct use of a torque wrench for a safe and proper installation. STRAUB couplings must be torqued to the specified value as printed on each individual coupling. Failure to do so can result in injury or death.

�0

FITTIng TOLERAnCES

IClamping Range

Connecting of two pipes with same outside diameter.

2different diameters

Connecting of two pipes with different outside diameter.

3Setting gap Between Pipe Ends R

Connecting of two pipes with or without setting gap [R].

4Angular deflection a

Setting gap between pipe ends through angular deflection. Maximum angular deflection (dynamic and static).

5Axial MovementDl

STRAUB-FLEX/OPEN-FLEX couplings are pipe connectors and expansion joints combined into one unit.

6Axial Misalignment

Connecting of two pipes with axial misalignment. Maximum allowed 1% of outside diameter (max. � mm).

----> For Approximate values see chart on the next page

High-Performance Pipe Couplings • 1-877-5-STRAUB �1

FITTIng TOLERAnCES

STRAUB Type

Pipe OD1 Clamping range per

OD

� Different diameters

� Setting gap between pipe ends R

without withStrip insert

OD-Range mm

+/- mm / %

mm / % mm mm

STRAUB-METAL-GRIP

��.7 - ��.0 0.� mm � mm � 1��7.0 - ��.9 1.0% � mm 10 ��

10�.0 - 11�.� 1.0% �% 10 ��1��.0/1�9.7/1�9.0/1��.� 1.0% �% 1� �01�9.0/1��.0/�19.1/�7�.0 1.0% �% 1� ��

��.9 - �09.� 1.0% � mm 1� ��

STRAUB-GRIP-L

��.9 - ��.7 1.0% � mm � ��.0 - ��.� 1.0% � mm � 10

��.0 - �0.�/��.0 1.0% � mm 10 1�7�.0/7�.1/��.9 1.0% � mm 10 ��100.� - 10�.� 1,0% �% 10 1�10�.0/11�.� 1.0% �% 10 ��

1��.0 1.0% �% 10 �01�7.0 - 1�1.�/1�9.0 - �7�.0 1.0% �% 10 ��

�0�.0-�09.� 1.0% � mm 10 ��

STRAUB-FLEX 1

STRAUB-OPEN-FLEX 1

��.� - �0.� 0.�% � � 1�7�.1 - ��.9 1.0% � � ��

100.� - 11�.� 1.0% �% � ��1�7.0 - 1��.� 1.0% �% � ��

STRAUB-FLEX �

STRAUB-OPEN-FLEX �

1�0.0 - �00.0 1.0% �% 10 ��01.0 - 1�19.� � mm � mm 10 ��

STRAUB-FLEX � ��.� - �0��.0 � mm � mm 1� �0STRAUB-OPEN-FLEX � ��.� - 1�19.� � mm � mm 1� �0

Approximate Values for fitting tolerances.

� Angular DeflectionOutside Diameter OD mm

DegreeGRIP FLEX/OPEN-FLEX

≥ �0.�mm ≥ �0.�mm ��0.� mm - �19. 1 mm �0.� mm - �19. 1 mm �

≤ �19.1mm ≤ �19.1mm �

� Max. Axial Movement

STRAUB-Type mm/in

FLEX 1/OPEN-FLEX 1 � mm/.�"FLEX �/OPEN-FLEX � 10 mm/.�"FLEX �/OPEN-FLEX � 1�mm/.�"

Contraction

Expansion

1 mm = .0�9�7 in

��

InSTALLATIOn TIMES

nominal Pipe Size Pipe O.d. Fitting Time Per CouplingIPS Metric IPS Metric

nominal dIn Std. inch mm min0.7� �0 1.0�0 ��.7 �

- �� 1.1�0 �0.0 �1.00 �� 1.�� .7 �

- �� 1.�9� ��.0 �1.�� 1.�70 ��.� �

- �0 1.7�0 ��.� �1.�0 �0 1.900 ��.� �

- �0 �.1�� .0 �- �0 �.�� 7.0 �

�.00 �0 �.�7� �0.� �� .�� .� �

�.�0 �� .�7� 7�.0 �- �� (�.000) 7�.1 �- �� .1�� 79.� �- �0 �.�0� ��.0 �

�.00 �0 �.�00 ��.9 ��0 �.9�0 100.� �

� 1/� 90 (�.000) 101.� �- 100 �.09� 10�.0 �- 100 �.1�� 10�.� �- 100 �.��0 10�.0 �

�.00 100 �.�00 11�.� � - 100 �.000 1�7.0 �- 1�� .0�0 1�9.0 �- 1�� .1�� 1�0.� �- 1�� .�� 1��.0 �� 1�� (�.�00) 1�9.7 � - 1�� .�� 1�1.� � - 1�0 �.0�� 1��.0 7- 1�0 �.��0 1�9.0 7� 1�0 �.�� 1��.� 7� �00 �.�� 19.1 9- �� 9.�� .� 10- ��0 10.�10 ��7.0 10

10 ��0 10.7�0 �7�.0 101� �00 1�.7�0 ��.9 1�1� ��0 1�.000 ��.� 1�1� �00 1�.000 �0�.� 1�1� ��0 1�.000 ��7.� 1��0 �00 �0.000 �0�.0 1�� 0 ��.000 ��.� 1�� 00 ��.000 �09.� 1�

standard IPS diameter

InSTALLATIOn TIMES And dIMEnSIOn COMPARISOn

The installation time includes:• Marking of half the coupling width on both pipe ends.• Fitting the coupling over pipe ends and correct alignment.• Tightening the bolts with a torque wrench.

High-Performance Pipe Couplings • 1-877-5-STRAUB ��

COUPLIng SELECTIOn ChART

PlasticSTRAUB

FLEX

STRAUBOPEN-FLEX

STRAUBMETAL-GRIP

For installation of pipeswithout anchor points.

For installation of pipeswith anchor points.

For installation of pipeswith anchor points.

Axial restraintpipe joint

Pipe Joint withoutAxial restraint

Pipe Joint withoutAxial restraint

Wrap-around design for easeof installation and repair of:

• holes• cracks• fractures

STRAUB-METAL-GRIP

STRAUB-METAL-GRIP

STRAUB-FLEX 1L

STRAUB-FLEX 2L - 2XS

STRAUB-FLEX 3L - 3XS

STRAUB-OPEN-FLEX 1L

STRAUB-OPEN-FLEX 2L - 2X

STRAUB-OPEN-FLEX 3L -3 X

900 - 380 psi (62 - 26 bar)1" - 8" (33.7 - 219.1 mm)

300 - 70 psi (21 - 5 bar) 103⁄4" - 24" (273 - 609.6 mm)

232 psi (16 bar) 11⁄2" - 6" (48.3 - 168.3 mm)

363 -36 psi (25 - 3 bar) 8" - 48" (219.1 - 1219 mm)

363 - 29 psi (25 - 2 bar) 12" - 72" (219.1 - 1829 mm

232 psi (16 bar) 11⁄2" - 6" (48.3 - 168.3 mm)

363 -36 psi (25 - 3 bar) 8" - 48" (219.1 - 1219 mm)

363 - 29 psi (25 - 2 bar) 12" - 72" (219.1 - 1829 mm

*) Key Temp:1 EPDM -4°F to +180°F / NBR -4°F to +180°F EPDM (-4°F to + 212°F)*2 EPDM -22°F to + 212°F / NBR -4°F up to +180°F3 VITON -4°F to + 320°F (limited sizes)

2

2

1/3

1/3

1

1

1

1

Metal Metal

All pipe materials

All pipe materials

STRAUBGRIP-L

For installation of pipeswithout anchor points.

Axial restraintpipe joint Metal STRAUB-GRIP-L

STRAUB-GRIP-L

670 - 232 psi (46 - 16 bar) 1“ - 8.6" (26.9 - 219.1 mm)

232 - 15 psi (16 - 1 bar ) 6.6" - 24" (168.3 - 609.6 mm) 1/3

Metal 1/3

* Maximum temperature limit is 212˚F (100˚C) with EPDM gasket material and strip insert.Higher temperature limits may be allowed subject to specific factory approval.

STRAUB-PLAST-GRIPSTRAUB-COMBI-GRIP

STRAUB-OPEN-FLEX GT STRAUB-FLAMSTOP

Other Types Available but not shown in this catalog. For more information, consult your STRAUB Professional or visit the website at www.straub.ch

DISTRIBUTED BY

#7� / Printed in USA / ULitho / 9.0� / �.�M / ©�00�

Marketing: USAInterwest Sales

P.O. Box �0� • National City, CA 919�1Tel: 1-�77-�-STRAUB (7�7��)

Fax: (�19)-��-0��E-mail: [email protected]

Web site: www.straub-couplings.com

STRAUB werke A.g.Rohrverbindungen • Straubstrasse 1�

7�� Wangs, SwitzerlandTel: +�1 �1-7��-�100 Fax: +�1 �1-7��-�101

E-mail: [email protected] site: www.straub.ch

The materials and data in this catalogue are intended to assist the user in the proper selection of STRAUB Coupling products. STRAUB Pipe Couplings assumes no responsibility for any damage that might occur as a result of the use of any data, charts or application examples contained herein. All the information contained in this catalogue is subject to change by STRAUB Pipe Couplings without notice as a result of product re-designs, product improvements or other reasons.

STRAUB Pipe Couplings are designed for use under circumstances in which human life is potentially at risk. When considering the use of any product contained herein for special applications, please contact, STRAUB Werke A.G., Switzerland, or an authorized STRAUB distributor.

LIABILITy dISCLAIMER

The information contained herein may include inaccuracies or typographical errors. In addition, changes are periodically made to this information. STRAUB may make such changes to this information at any time without notice to the user.

STRAUB Pipe Couplings makes no representations about the suitability of the information contained herein for any purpose. All such information is provided as is without warranty of any kind. STRAUB Pipe Couplings disclaims all warranties with regard to this information. Under no circumstances shall STRAUB Pipe Couplings be liable for any direct, indirect, punitive, incidental, special or consequential damages arising out of or connected with the use of this information, whether based on contract, tort, strict liability or otherwise, even if STRAUB Pipe Couplings has been advised of the possibility of damages.

Marketing/Manufacturing Canada Straub Tadco Inc.1��9 Aerowood Drive • Mississauga

ON • L�W 1B9Tel:90�.��9.911�Fax: 90�.��9.911�

E-Mail: [email protected] Site: www.straubcouplings.com

Documents

STRAUB Pipe Couplings - venta-russia.com · PROGRESSIVE ANCHORING EFFECT STRAUB-GRIP ... The dependable plain end coupling system that SAVES ... ductile iron, FRP, PVC, CPVC, C900,