Fluiten as a mechanical seal - · PDF fileJohnson-Fluiten ROTARY JOINTS: The strong link in your system T he experience acquired by Fluiten as a mechanical seal manufacturer has led

Johnson-Fluiten ROTARY JOINTS:The strong link in your system

The experience acquired byFluiten as a mechanical sealmanufacturer has led to theconstruction of a wide range ofrotary joints for universal duties,for coolants, pneumatics andhydraulics.Besides the standard modelsdescribed in this catalogue,various special executions areavailable (i.e. full Stainless Steel

execution for food andpharmaceutical plants, withmore passages. etc.).The reliability of our jointsis a result of the quality ofthe materials, the precisionwith which we accomplishour operations, and thetesting of all the jointsbefore shipping.Technological

developments can lead,over time, to modifications.

For this reason, and for anyother kind of question notincluded in this catalogue, weask you to contact us.

Robust and reliableantirotation device

Quick Replacement Device (QRD)For a simple and quick replacementof seal elements.

High precision roller bearings

Stainless steel rotor

ISO 228 threaded rotorconnection. NPT threadsor flanged connectionsare available on request

Balanced seal:reduced friction torque

Wide range of seal rings materials for thebest performance with any product.Premium grade Graphite, ChromiumMolybdenum stainless steel, high qualitySilicon Carbide.

Wide range of gasket materials: NBR,Fluoroelastomer, Ethylene Propylene,Aflas.Perfluoroelastomer available on request

Springs not in contact with the product:no clogging and minimum head loss.

EXTERNAL SPRINGSFluids that are highly viscous or containsolid particles can produce clogging ofthe seal springs. Externally mountedseal springs which are not in contactwith the fluid make these joints suitableto operate with any type of fluid.

LOW FRICTION TORQUEThe balanced seal design minimizesvalues of friction torque at increasingpressure. The diagram on right shows,for all Rotary Joints sizes, measuredvalues of friction torque with water.

THE MECHANICAL SEAL: THE HEARTOF EVERY JOINTFluiten has been manifacturingmechanical seals for any kind ofapplications for 40 years, developingan extensive knowledge of all issuesrelated to the design and production ofmechanical seals.Fluiten has successfully challenged highpressures, sliding speeds of 10 m/sand more.The range of products dealt with goesfrom water, oil, and lubricants tofoodstuffs such as jam or honey, andpharmaceuticals such as injectablesand antibiotics, for which no emissionare required.The continuous growth of first installationseals sales highlights Fluiten’s successand is the best guarantee for ourcustomers.

In R type rotary joints, the seal substitution can be carried outwithout dismounting the joint from its application. This is possibleby means of our “Quick Replacement Device”. It is sufficient to removethe blocking screws (1) and separate the body to substitute the twoseal rings (2) and the O-rings. It is thus possible to quickly adaptthe joint to fluids requiring different sealing materials; in view of suchevent we have prepared replacements kits comprising two seal rings,O-ring gaskets and a series of springs.

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Pressure[bar]

Fric

tion

torq

ue [

N*m

]

��

��

��

��

��

��

0,000

10,000

20,000

30,000

40,000

50,000

60,000

70,000

2,5 5

7,5

10

12,5 15

17,5 20

22,5 25

Pressure[bar]

Fric

tion

torq

ue [

N*m

]

R064

R076

R125

R150R102

R089

1

2

ROTARY JOINTS TYPE R009-R050 - FRICTION TORQUE - FLUID : WATER

ROTARY JOINTS TYPE R064-150 - FRICTION TORQUE - FLUID : WATER

PRESSURE MAX bar 25 25 2550 50 5025 25 10 25 25 10 50 25 10SPEED MAX rpm 1400 13001500 2800 26003000 1500 2800 1400 1400 2600 1300 13003000 1500

AIR RFLUID: FLUID: FLUID: JOINT TYPE:

JOINT TYPE:

SEAL MAT.:GASKET:

JOINT TYPE:

SEAL MAT.:GASKET:

B3

WATERup to 90 R A*

3 RHWATERup to 180

* For abrasive liquids use SEAL MATERIAL: C (see page 15)• See temperature limits on page 15

Dimensions subject to change without notice.

MODEL

R-RH 009R-RH 012R-RH 019R-RH 025R-RH 031R-RH 038R-RH 050

G

10131625323848

M

5056678293108120

Tf8

24293541526068

H

19243036465560

L

8998118134154170180

L1

9121416192023

L2

22263035424447

L3

717892104116126131

L10

2223

27,53539

44,550

MASSKg

0,70,91,62,73,65,67,7

0,01

0,10

1,00

10,00

10 50 90 130

170

210

250

290

330

370

410

450

490

530

570

610

650

690

730

770

810

850

890

930

970

1010

1050

1090

1130

1170

1210

1250

1290

1330

1370

1410

Flow Rate [l/min]

Head

Los

s [b

ar]

R009

R012

R019

R025

R031

R038

R050

Rotary Joints type R009/050 - Head loss - 1 Passage • Fluid: Water

L3B

M

L2

T

L1

A G

L10

C

L

FOR RH VERSION ONLY

FLANGEDCONNECTIONSSHOWN ATPAGE 11

H

Rotor

Support

A(ISO 228)

G 3/8 - A G 1/2 - A G 3/4 - A G 1 - A G 1 1/4 - A G 1 1/2 - A G 2 - A

B(ISO 7)

Rp 3/8 Rp 1/2 Rp 3/4 Rp 1Rp 1 1/4Rp 1 1/2 Rp 2

C(ISO 7)

Rp 1/4Rp 3/8Rp 1/2Rp 3/4Rp 1Rp 1 1/4Rp 1 1/2

Body

StationaryringRotary

ring

Rotary ringsecondary

seal

SpringsStationary ringsecondary seal

25 20 17,5 17,550 40 35 3525 25 10 20 20 8 17,5 717,5 17,5 717,51150 1000 850 7002300 2000 1700 14002300 1150 2000 1000 1000 1700 850850 1400 7001150 700

SEAL MATERIAL:GASKET:

FLUID: JOINTTYPE:


FLUID: JOINTTYPE:


B2 (4)•

T*3 (4)•RH B

2 (4)•RHSTEAMup to 180

OILup to 200


D (ISO 7)

Rp 1/4Rp 3/8Rp 1/2

Rp 3/4Rp 3/4

Rp 1 1/4

D (ISO 7)

Rp 1/4Rp 3/8Rp 1/2Rp 1/2Rp 3/4Rp 3/4

Rp 1 1/4

Eh13

61013162226

32,2

Eh13

61013162226

32,2

G

10131625323848

H

19243036465560

M

5056678293108120

Tf8

24293541526068

L1

9121416192023

L2

22263035424447

L3

717892104116126131

L4

8088106121137151161

L5

34404955677593

L7

20202426323838

L9

16171922242936

L10

2223

27,53539

44,550

0,01

0,10

1,00

10,00

100,00

1 21 41 61 81 101

121

141

161

181

201

221

241

261

281

301

321

341

361

381

Flow Rate [l/min]

Head

Los

s [b

ar]

R 009

R 012

R 019

R 025

R 038

R 050

R 050

F(ISO 7)

M6x1 Rp 1/8Rp 1/4Rp 3/8Rp 1/2Rp 3/4

Rp 1

A (ISO 228)

G 3/8 - A G 1/2 - A G 3/4 - A G 1 - A G 1 1/4 - A G 1 1/2 - A G 2 - A

B (ISO 7)

Rp 3/8 Rp 1/2 Rp 3/4 Rp 1 Rp 1 1/4 Rp 1 1/2 Rp 2

L8

1081112161821

Rotary Joints type R009/050 - Head loss - 2 Passages • Fluid: Water

MODEL

R-RH 009R-RH 012R-RH 019R-RH 025R-RH 031R-RH 038R-RH 050

MASSKg

0,71,01,83,14,26,79,1

FLANGEDCONNECTIONSSHOWN ATPAGE 11

L4

L3

M

L1

T

L2

H

A G

L5

DB

L8

L7

L10L9

SYPHON SUPPLIEDBY THE CUSTOMER

FOR RHVERSION ONLY

FRotor

Support

Body

FIXED

SYP

HON

ROTA

TING

SYPH

ON

E

Stationaryring

Rotaryring


seal

Springs

Stationary ringsecondary seal

G

60728195118145

M

172200230260305360

Tf8

95112124144

--

L

240285310340

--

L1

32424550--

L2

709090115142150

L3

305355395425570650

L10

70809595--

L11

115145150175210230

L12

353555555555

d

101016161616

d1

10101010--


0,01

0,10

1,00

10,00

Flow Rate [l/min]

1500

1650

1800

1950

2100

2250

2400

2550

2700

2850

3000

3150

3300

3450

3600

3750

3900

4050

4200

4350

4500

4650

4800

4950

R 064

R 076

R 089

R 102

R 125

R 150

MAX PRESSURE bar 25 12,5 12,5 10MAX SPEED rpm 750

AIR RFLUID: FLUID: JOINTTYPE:


JOINTTYPE:


B3

WATERup to 90 R A*

3 RHWATERup to 180

* For abrasive liquids use SEAL MATERIAL: C (see page 15)• See temperature limits on page 15

750 375 37520 12,5 12700 700 70

25 12,5 12,5 5750 750 750 375

d2(ISO 7)

Rp1/8Rp1/8Rp1/8Rp1/8Rp1/4Rp1/4

A(ISO 228)

G 2 1/2 - AG 3 - AG 3 1/2 - AG 4 - A

--

B (ISO 7)

Rp 2 1/2 Rp 3 Rp 4 Rp 4 - -

C(ISO 7)

Rp 2 1/2 Rp 3 Rp 4 Rp 4 - -

FLUID: JOINTTYPE:

Rotary Joints type R064/150 - Head loss - 1 Passage • Fluid: Water

Head

loss

[ba

r]

MODEL

R-RH 064R-RH 076R-RH 089R-RH 102R-RH 125R-RH 150

MASSKg

2230425292125

L3L11

L2

L12

L1

L

TM GA

n6holes d1

L10

B

d2

C

Rotor

Support

Elbow

Body

Flange

d

R125 - R150AVAILABLE ONLYWITH FLANGEDCONNECTIONS

FLANGEDCONNECTIONSSHOWN ATPAGE 10-11

R125 - R150AVAILABLE ONLYWITH FLANGEDCONNECTIONSFLANGEDCONNECTIONSSHOWN ATPAGE 10-11

Rotaryring

Stationaryring

SpringsRotary ringsecondary

seal



MODEL


G

60728195118145

M

172200230260305360

L12

353555555555

T f8

95112124144

--

L1

3242

4 454 50

--

L2

709090115142150

L3

245290310352408447

L5

135165165188222253

L6

270320340390455505

L7

405050556060

L8

222525303540

L9

506060708095

L10

65758595105130

L11

115145150175210230

d

101016161616

d1

10101010--

Ee8

4560607588110

F(ISO 7)

Rp 1 1/2Rp 2 Rp 2 Rp 2 1/2Rp 3 Rp 4

MASSKg

2832,5507098

145

0,01

0,10

1,00

10,00

400

475

550

625

700

775

850

925

1000

1075

1150

1225

1300

1375

1450

1525

1600

1675

1750

1825

1900

1975

2050

2125

2200

2275

2350

2425

2500

Flow Rate [l/min]

Head

loss

[ba

r]

R 064

R 076R 089

R 102

R 125R 150

B2 (4)•

T*3 (4)•RHOIL

up to 200B2 (4)•RHSTEAM

up to 180

15 7,5 7,5 3400 400 500 200

20 10 10 4500 500 500 250

20 10 10 4600 600 600 300

5 50 350

d2(ISO 7)

Rp1/8Rp1/8Rp1/8Rp1/8Rp1/4Rp1/4

A (ISO 228)

G 2 1/2-A G 3-AG 3 1/2-A

G 4-A--

B (ISO 7)

Rp 1 1/2Rp 2Rp 2Rp 2 1/2Rp 3Rp 4

D(ISO 7)

Rp 1 1/2 Rp 2 Rp 2Rp 2 1/2 Rp 3 Rp 4


FLUID: JOINTTYPE:


FLUID: JOINTTYPE:


L3

L6

AT

L11

L2

L12 d2

L1

n6holes d1

L9L1

0

L5

BD

L8

L7

Fd

M G

FIXED

SYP

HON

ROTA

TING

SYPH

ON

E

Support Body

Supportsiphon

Rotor

Elbow

R125 - R150AVAILABLE ONLYWITH FLANGEDCONNECTIONSFLANGEDCONNECTIONSSHOWN ATPAGE 10-11

Stationaryring

Rotaryring


seal

Springs


Rotary Joints type R064/150 - Head loss - 2 Passages • Fluid: Water



MODEL


DN

DN 65-PN40DN 80-PN40DN100-PN40DN100-PN40DN125-PN16DN150-PN16

L3

305355395425570650

L10

140155180180245285

MASS Kg

2534455892125

MODEL

R-RH 064 R-RH 076 R-RH 089 R-RH 102 R-RH 125 R-RH 150

DN

DN 40-PN40DN 50-PN40DN 50-PN40DN 65-PN40DN 80-PN40DN100-PN40

L3

245290310352408447

L5

165205205250282338

L10

125140150170180215

MASSKg

36456082

110150

JOINT R/RH 064-150SINGLE PASSAGEFOR ROTOR CONNECTIONSEE PAGES 8-11

L10

L3DN

L10

L5L3DN DN JOINT R/RH 064-150

DOUBLE PASSAGEFOR ROTORCONNECTION SEEPAGES 9-11


Fixed Flanges type F for rotor



Flanges type K with conical ringsin two halves for rotor

(HOU

SING

) K

L2

d

DG

F B

W

d

L2

15

N

MD W

G

1O B

d1

d

DN

B

W

D

(HOU

SING

) K

G

162532384860728195118145

F

8881010121515202020

D

7580100105130180210210230250305

W

55607580100145175175195210260

B

1212121515253030303540

Nr holes

44444466888

d

99

111114181818181822

L2

5050556070709090115142150

Screws

M8M8M10M10M12M16M16M16M16M16M20

G

162532384860728195

118145

H 8 - h 8M

283343486382

102102110145175

N

323748536989

109109120155185

O

888

1010101212303540

D

7580

100105130150180180220260300

W

55607580

100120145145185225260

B

1212121515151818303540

NrHoles

44444444688

d

99

111114141818181818

L2

5050556070709090

115142150

Screws

M8M8

M10M10M12M12M16M16M16M16M16

MODEL

DN40-PN40DN50-PN40DN65-PN40DN80-PN40DN100-PN40DN125-PN16DN150-PN16

D

150165185200235250285

W

110125145160190210240

d1

88102122138162188212

B

18202224242222

Nr holes

4488888

d

18181818221822

Screws

M16M16M16M16M20M16M20

Housing KG 7

303545506585105105114150180

HousingK

303545506585

105105114150180

R-RH 019 R-RH 025 R-RH 031 R-RH 038 R-RH 050 R-RH 064 R-RH 076 R-RH 089 R-RH 102 R-RH 125 R-RH 150

MODEL

MODEL

R-RH 019R-RH 025R-RH 031R-RH 038R-RH 050R-RH 064R-RH 076R-RH 089R-RH 102R-RH 125R-RH 150

Flanges UNI 2282/2284for housing connections

0

500

1000

1500

2000

2500

3000

NOMINAL DIAMETER [mm]

SPEE

D RO

TATI

ON [

rpm

]

20 30 50 20 80 95 110 125 140 155 170 185 200

Joint Type RB/RHB: Speed vs. Nominal Diameter Diagram

Type RHBCooling and pressurisation circuit(Hydraulic pack LHF)

Special design roller bearingssuitable for high temperature.Easy installation on rotary joint

Double balancing sealon process side

Seal on atmosphere side

Cooling fluid creates a barrieragainst the process temperature

Flanged connections accordingto DIN, ANSI or other standards Rotary joint housing in

special stainless steel

Thermal insulation toreduce energy losses

Joints type RB/RHB are designed to work atthe contemporaneous presence of temperaturesof 400C and high rotation speeds. Suchperformances can be reached by using two specialseals, with double balancing and with theinterposition of a pressurised fluid for the coolingof the primary seal.This fluid is circulated by a pumping and coolinggroup that continuously verifies the system’seffectiveness, and signals through visual andsound alarms, possible variations from the setvalues.The above results are reached by using ballbearings with closed loop oil cooling. Oil sealingis obtained by two double balanced seals thatguarantee the effectiveness of the system evenin case of an electrical failure.Double mechanical seals with pressurised barrierfluid avoid any leakage of the process fluid to theatmosphere; in a worst case event, the barrierfluid will leak into the process.Such double mechanical seal systems have beenmanufactured and installed in chemical,petrochemical and pharmaceutical applicationsby Fluiten since 1972.

Circuit temperature indicator

Oil levelswitch

Oil return fromrotary joint

Circuit pressure gauge

Oil supply to rotary joint

Pressureswitch/transducer

Heatexchanger

Oil level indicator

Temperaturealarm

Relief valve

Circulation pump drivenby electric motor

Reservoir

Flow switch

Drain

Cooling water inlet Cooling water outlet

YES

ROTARY JOINT INSTALLATION AND SPARE PARTS REPLACEMENTThe application of JOHNSON-FLUITEN rotary joints is simple and reliable when carried out according to the herebelowdescribed procedures.

YES NONO

CONNECTION

1. Use only flexible hoses for stationary part connection toavoid overloading of the roller bearings support.

2. Put the RJ housing in a clamp to tighten the fittings.

3. Use flexible hoses of adequate length in order to havegood flexibility.

4. Very long rotating syphon pipes can overload the rotaryjoint bushing.

5. Rotating syphons should have a good concentricity withthe joint rotational axis.For speeds higher than 1000 rpman additional bushing, made in PTFE or similar antifrictionmaterial, should be provided in the machinery.

6. Clean carefully the machinery lines connected with therotary joint.

7. In case of abrasive products the use of seal faces inhard materials (Silicon carbide vs. Tungsten carbide –Arrangement C) is recommended. Dry-running is not allowedwith this seal faces material combination.

8. For safety reasons it is recommended to shield theRotary Joint with suitable barriers to avoid that peoplecould be harmed by accidental dangerous emissions.

FRICTION TORQUEJOHNSON-FLUITEN Rotary joints have reduced frictiontorque (see also diagram on page 5); in any case suitableantirotation devices must be implemented to avoid rotationof the stationary part.• For sizes up to R050 flexible hoses generally give asufficient reaction.• For larger sizes the use of the antirotation pin (see pages8 & 9) is recommended.

SPARE PARTSFor all sizes a spare parts kit is available.Each kit consists of:• Stationary and rotary rings• Secondary seals (O-Rings)• SpringsNOTE: For sizes R009 & R012 the entire rotor must bereplaced

NOTEAvoid using the rotary joints in conditions in which pressure,speed and temperature are simultaneously near to themax. allowed values.For high duty operating conditions a correct selection ofseal materials is recommended. In doubt, please contactJOHNSON-FLUITEN.Seal faces are lapped with a planarity of two optical fringes(monocromatic light method).QRD system (see page 5) gives the possibility to checkseal element conditions facilitating the maintenance schedule.Rotary joints up to R050 size have pre-lubricated rollerbearings which do not require relubrication.Rotary joints RH version, recommended for temperatureshigher than 100C, have roller bearing of special designfor high temperatures and require periodic relubrication(grease with drip point at 250C or higher, SILEX PLS.2or equivalent).For this operation a lubricator is provided on joint support.For sizes larger than R050 a lubricator is always provided.

Spare part ordering code: add letter K before Rotary Joint ordering code

Rotary Joint: 025

Temperature:180C

Materials-Seal faces:Cr-Mo St.St. VsAntimony Graphite

Materials-Secondary seals:NBR

Passages:Single passage

Materials-Housing:Brass/Aluminium

Connections:Rotor G (ISO 228) RH

��

ROTARY JOINT ORDERING CODE EXAMPLE:

�

HIGH TEMPERATURE CONFIGURATIONS:

DRAWING NUMBER FOR SPECIAL DESIGN

MATERIALS – SEAL FACES: CHROMIUM-MOLYBDENUM STAINLESS STEEL VS. ANTIMONY GRAPHITE

INTEGRAL ANTIMONY GRAPHITE VS. CHROMIUM-MOLYBDENUM STAINLESS STEEL

1 SILICON CARBIDE VS. ANTIMONY GRAPHITE1 SILICON CARBIDE VS. TUNGSTEN CARBIDE

2 SILICON CARBIDE VS. BRONZE

MATERIALS – SECONDARY SEALS:NBR (Temp. –54C 121C)

AFLAS (Temp. –20C 230C)

ETHYLENE PROPYLENE (*) (Temp. –54C 149C)

FLUOROELASTOMER (Temp. –29C 204C)

ETHYLENE PROPYLENE(*)/FLUIGAM (Temp. –54C 149C)/(Temp. –180C 250C)

PASSAGES:

MATERIALS – HOUSING / SUPPORT:

CONNECTIONS: Rotor

NPT

G (ISO 228) RH()

G (ISO 228) LH()

NPTRH()

LH()

Housing

G (ISO 228) RH()

G (ISO 228) LH()

NPT

G (ISO 7) RH()

G (ISO 7) RH()

NPTRH()

RH()

G (ISO 7) RH()

G (ISO 7) RH()

4 K

6 F6 F6 F

6 F4 K

5 F

5 F

T max 250 CT max 180 C

T max 400 CHB009 – 150 ROTARY JOINT NOMINAL DIAMETER

1 For R009 & R012 Silicon Carbide in place of Tungsten Carbide2 For R009 & R012 Hardened Stainless Steel in place of Silicon Carbide3 Stainless Steel Elbow included for Two Passages4 Flanges type K with conical rings in two halves (see page 11)5 Fixed flanges type F (see page 11)6 Flanges for housing connections (see page 11)

() RH = Right handed threading LH = Left handed threading(*) Warning ! Use only siliconic grease to lubricate these gaskets.

SINGLE PASSAGETWO PASSAGES – FIXED SYPHONTWO PASSAGES – ROTATING SYPHON

BRASS/ALUMINIUM3 STAINLESS STEEL AISI 304/ ALUMINIUM3 STAINLESS STEEL AISI 304/ STAINLESS STEEL AISI 304

C028

- R

ev. 0

3/04

Documents

Fluiten as a mechanical seal - · PDF fileJohnson-Fluiten ROTARY JOINTS: The strong link in your system T he experience acquired by Fluiten as a mechanical seal manufacturer has led