FLUID PORTS AND CONNECTORS - easternhose.comeasternhose.com/wp-content/uploads/2017/11/Manuli-how-to-identif… · When using two-piece couplings, it is important to match the ferrule

www.manuli-hydraulics.com

MH–ID

ENTIFY

FLUID

PORTS

–EN

11–14


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H O W TO I D E N T I F YFLU ID PORTS AND CONNECTORS

SUMMARY

Introduction 1

How to identify fluid connectors 6

Thread-end measurements 10

Couplings selection criteria 11

Termination ends and torque values 15

Metric couplings 21

BSP (British Standard Pipe) 23

Japanese style fittings - JIS B 8363 25

OEM special connections 27

O-ring recommendations 28


INTRODUCTIONAn accurate identification of ports and connectors in hydraulic systems is necessary before selecting andinstalling hoses and assemblies.

The purpose of this document is to provide technical information to support customers, OEMs and usersfor correct selection, installation and use of Manuli products.

Coupling termination ends are designed according to the international reference specifications that definethe thread type, sealing surfaces angles and type and architecture of the termination end. Manuli couplingsproduct range presents a wide variety of the most common termination end types, a few global OEM’s,special connections and customised solutions.

Information contained in this document is intended for guidance only and may be subject to change. Anychange will be notified (at the discretion of Manuli Hydraulics) via selected communication channels.

DON’T MIX AND MATCH• Thread-end Measurements• Coupings Selection Criteria• Termination Ends and Torque Values

1

A hose fitting or coupling provides a latching system for the hose to various hydraulic components. Hosefittings must always be selected on the base of the application and the hose manufacturers specifications.

Hydraulic hose fittings can be divided into two main categories based on their method of attachment tothe hose. They can be either reusable or permanently attached. Under these two categories there areseveral variations.

Permanently attachedThe most widely used type of hydraulic fitting, is based on a method of attachment to the hose calledpermanent. It is assembled on the hose in a manner which deform the fitting by compressing its outershell (ferrule) onto the hose and cannot be reused. There are two methods to install the permanent typeof fitting: one is called the crimp method and the other is the swage.

The crimp method uses movable die fingers to generate a radial force on the ferrule of the coupling tocompress to a controlled size onto the hose: this operation traps the hose body between the fitting insertand the ferrule.

Swaging uses a fixed diameter set of dies and the hose and fitting are pushed through the centre tocompress the ferrule onto the hose.

The crimping method is the most used.

The result is always a permanent coupling attached to the hose, that cannot be reused.

Hydraulic fittings are permanent fittings and require crimping equipment to be assembled to a hose.

They are available in either preassembled “one-piece” or “two-piece” configurations.• “One-piece” (fig. 3) couplings are made with the ferrule permanently attached to the insert (stem).• “Two-piece” (fig. 4) couplings consist of an insert (stem) and a separate ferrule.

When using two-piece couplings, it is important to match the ferrule with its appropriate insert and hose.

fig. 1 - Fitting visual glossary

fig. 2 - Standard fitting(Crimped skive)

fig. 3 - One-piece configuration

www.manuli-hydraulics.com2 3

There are also two types of ferrules: skive and no-skive. Skive ferrules require the hose cover to be removedand crimps directly onto the reinforcement wire, while no-skive ferrules compress or grip the hosereinforcement through the hose cover.

For heavy duty applications, large size of wire spiral hoses, Manuli has engineered a special robustarchitecture of coupling, called “Interlock Plus” (fig. 5). Internal and external skive operations are carriedout in order to allow the insert and the ferrule to grip directly onto the steel reinforcement of the hose:this creates a sort of mechanical lock between the hose structure and the coupling. This architectureguarantees a particularly reliable connection hose-fitting, important in special applications impacted byrelevant stress or safety aspects.

None of these components (hose, insert or ferrule) are reusable once they have been part of an assembly.

ReusableAs the name implies, this type of fitting can be reused. When the hose needs to be replaced it’s fittingscan be removed and applied to a new hose.

There are three very common variations for this fitting and they are:• Screw together type• Clamp type• Push-on type

The “screw together” type is usually two pieces, the ferrule and the insert. The hose is screwed into theferrule and the insert is screwed into the ferrule and the hose, resulting in the hose being trapped betweenthe two steel components (see fig. 6).

The “clamp type” is made up of a nipple or insert which goes into the hose and two clamp halves whichare held securely around the hose and the insert using bolts and nuts. There is a locking area provided onthe insert into which the clamp halves fit to prevent the insert from being pulled or blown out of the hose.

The “push-on type” is primarily used on very low pressure control or industrial applications. The insert hasvery large barbs on the portion that fits into the hose and it is used without clamps or ferrules. The hoseused with this type of fitting is also specifically designed to provide a tighter grip on the fitting as pressureis applied (see fig. 7).

Coupling identification• A hydraulic coupling has two functional ends: the termination end (or thread end) for port or adaptor

attachment and sealing properties;• The hose side end for hose attachment (fig. 1).

Termination ends (thread ends and sealing surfaces) are identified by the international referencespecifications (ISO, SAE, etc.). In case of a replacement, the termination end of a coupling can be identifiedby comparing it with the coupling being replaced or by measuring the port or thread end to which it willbe fitted. The termination end may be in many different configurations, thread type, sealing surfacesconfigurations, with or without O-Rings.

Hose and thread ends are measured by industry standard dash sizes. The hose and dash size refers to theinside diameter in 1/16" (except for SAE 100 R5 and SAE 100 R14, which are basedon tubing O.D.).

The termination end depends on the hose type and size to which it is attached and the port to connect.The coupling design is specified by the hose manufacturer to meet hose performance. Manuli presentsthe coupling type (insert and ferrule) associated on the hose datasheet (catalogue).

fig. 4 - Two-piece configuration

fig. 5 - Interlock

www.manuli-hydraulics.com4 5


HOW TO IDENTIFY FLUID CONNECTORSMeasuring ToolsProper tool kits are available from hose or fittings manufacturers to identify the fluid connectors terminationends. They include a seat angle gauge, thread pitch gauge and an I.D./O.D. caliper to make accuratemeasurements of commonly used connectors, generally in a unique useful tool offering all the capabilities.

How to measure threadsThreads are designated by diameter (external on the male and internal on the female), and by the numberof threads per inch (Imperial system), or by the distance between each thread in millimetres (metricsystem).

The Imperial system is identified in ‘teeth per inch’ (TPI).

The metric system is identified by prefixing the thread diameter with an “M” followed by the pitch of thethread.

Examples:

3/8”-19 means thread diameter 3/8” and 19 teeth per inch M22x1,5 means thread diameter 22mm witha thread pitch of 1,5mm

Use a thread pitch gauge to determine the number of threads per inch or the distance between threadsin metric connections. Place the gauge on the threads until the fit is accurate. Match the measurementwith the proper charts. Also measure the thread diameter with an I.D./O.D. caliper. Match themeasurements to the charts (fig. 1-2).

fig. 1 fig. 2

6 7

How to measure sealing surface anglesFemale connections are usually measured by inserting the gauge into the connection and placing it onthe sealing surface. If the centerlines of the connection and gauge are parallel, the correct angle has beendetermined. Male flare type connectors are usually measured by placing the gauge on the sealing surface.If the centerlines of the connection and gauge are parallel, the correct angle has been determined.

1) With the caliper measure the thread diameter at the largest point of the OD in case it is a male thread,the ID if it is a female thread (fig. 4-5).

2) Using the pitch gauge determine the number of threads per inch (imperial thread) or the distancebetween pitches (metric). Comparison of gauge and couplings threads against a lighted backgroundwill ensure an accurate reading (fig. 3)

Read “Out” dimension

Read “In” dimension

fig. 3 fig. 4 fig. 5

3) Match the measurement taken above against those in the appropriate tables that appear to be similarto the coupling under consideration.

4) Measure the seat angle: when the centre line of the seat gauge extends parallel with the projectedlongitudinal axis of the coupling, then the angles of the gauge and seat match (fig. 6, 7).

5) Compare the measurement taken to the coupling standard tables.

centre Linesat an angleWRONG

centre Linesare parallel:

RIGHT

fig. 6 - Right seat angles fig. 7 - Wrong seat angles


THREAD-END MEASUREMENTSTo identify thread size termination end, measure the exterior male thread diameter O.D or the internalfemale thread diameter I.D., then look to the column mm, to get the corresponding thread size.

Male O.D.

---

3/8"-24 UNF1/8"-28 GAS

M10x11/8"-27 NPTF

-7/16"-20 UNF

--

M12x1,5-

1/2"-20 UNF1/4"-19 GAS1/4"-18 NPTF

M14x1,59/16"-18 UNF

----

5/8"-18 UNFM16x1,5

-3/8"-19 GAS3/8"-18 NPTF11/16"-16 UN

M18x1,5--

3/4"-16 UNF

mm.

8,58,79,29,49,610,010,410,511,011,411,612,012,212,513,013,914,014,214,514,615,115,515,716,016,516,617,317,418,018,518,819,0

Female I.D.

3/8"-24 UNF1/8"-28 GAS

1/8"-27 NPSM--

7/16"-20 UNF-

M12x1,5-

1/2"-20 UNF1/4"-19 GAS

-1/4"-18 NPSM

M14x1,59/16"-18 UNF

---

M16x1,55/8"-18 UNF3/8"-19 GAS

3/8"-18 NPSM-

11/16"-16 UNM18x1,5

--

3/4"-16 UNF-

M20x1,51/2"-14 GAS

13/16"-16 UN

Male O.D.

-M20x1,5

-13/16"-16 UN1/2"-14 GAS

-1/2"-14 NPTF

M22x1,57/8"-14 UNF

-5/8"-14 GAS

-M24x1,5

----

1"-14 UNSM26x1,5

3/4"-14 GAS1.1/16"-12 UN3/4"-14 NPTF

M27x2--

M30x21.3/16"-12 UN

----

M33x2

mm.

19,220,020,320,520,821,121,622,022,222,522,823,824,024,524,624,925,025,326,026,326,726,927,027,928,030,030,130,730,931,031,233,0

Female I.D.

1/2"-14 NPSM-

7/8"-14 UNFM22x1,5

-5/8"-14 GAS

---

M24x1,5-

1"-14 UNS-

M26x1,53/4"-14 GAS-NPSMa1.1/16"-12 UN

M27x2------

1.3/16"-12 UNM30x2

--

1"-11,5 NPSM1"-11 GAS

M33x21.5/16"-12 UN

-

Male O.D.

1"-11 GAS1.5/16"-12 UN1"-11,5 NPTF

-M36x2

----

1.5/8"-12 UN1.1/4"-11 GAS

M42x21.1/4"-11,5 NPTF

-M45x2

----

1.7/8"-12 UN1.1/2"-11 GAS

M48x21.1/2"-11,5 NPTF

--

2"-12 UNM52x2

-2"-11 GAS

2"-11,5 NPTF-

2.1/2"-12 UN

mm.

33,233,333,834,036,039,139,439,540,041,141,742,042,443,045,045,245,545,746,047,547,748,048,548,850,050,752,057,059,460,661,263,3

Female I.D.

---

M36x2-

1.5/8"-12 UN1.1/4"-11,5 NPSM

1.1/4"-11 GASM42x2

----

M45x2-

1.1/2"-11 GAS1.1/2"-11,5 NPSM

1.7/8"-12 UNM48x2

----

2"-12 UNM52x2

--

2"-11 GAS--

2.1/2"-12 UN-

Thread-End Measurements

COUPLINGS SELECTION CRITERIASeveral factors, such as thread end compatibility, pressure and mechanical resistance, corrosion resistance,vibration, temperature, use of adaptors, fluid compatibility must be considered when selecting a couplingfor an application or system/equipment.

THREAD-END AND SEALING SURFACE COMPATIBILITYThread-ends must be compatible in order to prevent leaking or failure. Three elements must be consideredin particular: thread interface, seat angles and eventual O-Rings. It is critical that both the male and femalefittings are compatible to ensure an effective seal. Incorrect sealing will cause leaks, which can representa safety and environmental hazard.

TEMPERATUREMetal surfaces can expand and contract under extreme temperature fluctuations. Selecting couplings withO-Rings, will give a better sealing even with metal components deformations. It may be necessary to useO-Ring materials that are suitable for high temperatures and chemically compatible with the working fluidat the requested temperature. If the application is at a high temperature, it is advisable to avoid brass oraluminium fittings.

FLUID COMPATIBILITYIt is common practice to select hoses taking particular care of the compatibility with the working fluid, itis far less common to do so for couplings. Couplings can also be affected by fluids, in particular aggressivefluids. Always check the fluid compatibility chart for coupling and O-Ring materials, contact Manuli forfuther clarification.

CORROSION RESISTANCEMost hydraulic fittings are manufactured from carbon steel and have zinc plating external treatment forcorrosion resistance. Even if the high performance of the Manuli couplings treatment pass 400 hoursbefore red corrosion in the standard salt spray test (ASTMB117), other materials such as stainless steelcan be necessary for special applications including marine equipment and mining.

WORKING PRESSUREWorking pressure should be a relevant consideration when selecting a fitting. Some fittings do not sealwell at high pressures and can cause leaks. O-Ring type fittings as well as solid port connectors work wellat high pressures. It is important to make sure that not only the maximum rated working pressure is higherthan the working pressure of the system but also that the architecture (thread type, sealing surfaces,thicknesses, shape of the connection, etc.) of the termination end is suitable for the intended use.

VIBRATIONSHose flexing conditions and/or vibrations at the end connection, can potentially weaken or reduce theconnection capability. It is important to select couplings accordingly: flanges or other couplings with O-Ring for sealing perform better under vibration, avoid use of couplings that seal on the threads.

10 11

COUPLINGS THREAD STYLE AND PRESSURE PERFORMANCECoupling termination ends are designed according to the international reference specifications that definethe thread type, sealing surfaces angles and type and architecture of the termination end. Manuli couplingsproduct range presents a wide variety of the most common termination end types, a few global OEM’s(Original Equipment Manufacturer), special connections and customised solutions.

International reference specifications include:

BSP (BRITISH STANDARD PIPE) STANDARD CONNECTIONS:• Male BSPP (Parallel) and BSPT (Tapered)• BSP 60°• BSP O-Ring 60°• BSP flat seat

DIN (DEUTSCHES INSTITUT FU� R NORMUNG) STANDARD CONNECTIONS:• DIN standpipe• DIN Metric 60°• DIN Multiseal• DIN Metric 24° (light and heavy series)

SAE (SOCIETY OF AUTOMOTIVE ENGINEERS) STANDARD CONNECTIONS:• JIC (Joint Industrial Council) connections• ORFS (O-Ring Face Seal) connections• SAE connections (90° cone)• NPTF (National Pipe Tapered Fuel) and NPSM (National Pipe Straight Mechanical) connections• SAE flanges (3000 and 6000 psi)• STAPLE LOCK connections

NF (NORME FRANÇAISE) STANDARD CONNECTIONS:• 24° metric connections• 24° gaz connections

JIS (JAPANESE INDUSTRIAL STANDARD) STANDARD CONNECTIONS

The following table is a summary (exceeding international specifications) of hydraulic pressureperformance by thread style and size for coupling termination ends.

The table is intended only as an approximate guide to field performance of products, figures shown aremaximum operating pressures in bar, based upon a 4:1 safety factor relative to the connection minimumburst pressure. Testing of the Manuli fittings range confirm the data; robustness and high quality ofthe Manuli fittings exceed the mentioned performance. Testing was conducted at the recommendedassembly torque in hardened test blocks. The pressure rating of the hose assembly must be defined asthe rate of its weakest component.


Termination end type

BSP MaleO-Ring BSP FemaleBSP FemaleMultiseal DIN FemaleMetric 60° DIN FemaleMetric Male 24° L SeriesMetric Female 24° L SeriesMetric Male 24° Heavy SeriesMetric Female 24° Heavy SeriesMillimetric Metric MaleMillimetric Metric FemaleMetric Gaz MaleMetric Gaz FemaleJIS Metric FemaleJIS Gas FemaleJIC 37° SAE MaleJIC 37° SAE FemaleJIC 45° SAE MaleJIC 45° SAE FemaleNPTF MaleNPSM FemaleORFS FemaleCODE 61 SAE FlangesCODE 62 SAE FlangesXTRAFLANGESWASH CLEANER FEMALE (M24913)

Ref. Specification

BS5200 - ISO WD8434-6BS5200 - ISO WD8434-6BS5200 - ISO WD8434-6DIN 20066/Febr.'82DIN 20066/Febr.'82DIN 20066/Oct. '02DIN 20066/Oct. '02DIN 20066/Oct. '02DIN 20066/Oct. '02NORM. FRANC. E48-064NORM. FRANC. E48-064NORM. FRANC. E48-064NORM. FRANC. E48-064JIS B8363JIS B8363SAE J514SAE J514SAE J514SAE J514SAE J514SAE J514SAE J1453SAE J518SAE J518SAE J518-

3/16"-03

5350

--

250-

415415630630630630630630350350350350350350350350420

----

1/4"-04

6500500500250

-400400630630630630630630350350350350350350350350460

---

420

5/16"-05

8460

-460250

-350350630630630630630630350350350350350350280280460

---

420

3/8"-06

10460460460250

-330330630630630630630630350350350350350350280280460

---

420

1/2"-08

12430430430250

-275275630630630630630630350350350350310310245245420350420

--

5/8"-10DN16

350350350160

-250250450450420420420420280280350350240240210210420

----

3/4"-12

19350350350

-63215215420420420420420420280280350350240240210210420350420

--

1"-16

25280280280

-63165165385385420420420420280280280280210210175175350350420560

-

1-1/4"-20

31250250160

-63125125350350250250250250175175210210170170145145275280420560

-

1-1/2"-24

38210210125

-63100100280280250250250250105105160160140140145145210210420560

-

2"-32

5121021080-

40----

250250250250105105125125105105145145

-210420450

-

Max. Working pressure (bar)Hose size / DashCoupling termination end type

12 13


ADDITIONAL CONSIDERATIONS ON TERMINATION ENDS SELECTIONThe fitting working pressure suggested by international specifications are the most important guideline toselect the right termination end. Working pressure of the hose assembly is the lowest level between thehose and fitting. The fitting working pressure should be selected either at a higher level or equal to thehose.

Other considerations are also relevant.

For heavy duty applications, in presence of vibrations, high fatigue mission profiles and/or large size hoses,flanges are often preferable compared to other termination ends. When this is not possible, other robusttermination ends can be selected, such as DIN Metric heavy series and ORFS.

The recommendation in favour of safety is to avoid selection of low pressure termination ends for hoseassemblies dedicated to the most severe mission profiles. Even thought the market requires the maximumavailability of many different termination end types (for example medium pressure termination end forInterlock Plus fittings dedicated to heavy duty wire spiral hoses) these should not be interpreted asoptimum solutions.

In addition, O-Ring type termination ends are always preferred for new projects, as also declared by theinternational specifications ISO, SAE, etc. for their better performance compared to the traditional metalto metal sealing types. Standard O-Rings supplied are generally NBR based, suitable up to maximumtemperatures of 125°C as from the international specifications; for eventual special applications differenttypes of O-Rings could be necessary, with a more appropriate compound, considering chemicalcompatibility with service fluid and temperature resistance.

For further advice, contact a Manuli Hydraulics specialist.

TERMINATION ENDS AND TORQUE VALUESSee below a summary of the main fittings families and torque values for correct installation.

SAE STANDARD CONNECTIONSJIC (37° FLARE - SAE J514 / J516 ISO 8434-2)JIC fittings seal on a flare with a central angle of 74° (37° if we consider the seal surface inclinationcompared to the fitting axis) and are available with thrust wire or slip on nut depending on the geometry(slip on nut can’t fit on parallel sizes).

X 25 XX JIC Thread 74° cone

-4-5-6-8-10-12-14-16-20-24-32

1/45/163/81/25/83/47/81

11/411/2

2

7/16 - 201/2 - 209/16 - 183/4 - 167/8 - 14

11/16 - 1213/16 - 1215/16 - 1215/8 - 1217/8 - 1221/2 - 12

mm.11.212.714.219.022.326.930.033.341.447.463.5

inch.44.50.56.75.881.061.181.311.631.882.50

mm.9.911.412.917.020.324.927.731.039.145.561.2

inch.39.45.51.67.80.981.091.221.541.792.41

min121820356080100120150180250

max1522355080105120150180220350

InchSize

NominalThread

Size

MaleThreadO.D.*

FemaleThread

I.D.*

RecommendedTorqueValues(Nm)

DashSize

14 15


ORFS (SAE J1435 / J516 - ISO 8434-3 / 12151-1))SAE J1453 specifies this type of sealing, more robust compared to the JIC design; ORFS guarantees sealingthrough an O-Ring trapped onto a flat surface. This type of fitting is designed for very high pressure (even6000psi) with no leakage problem at all.

The solid male O-Ring face seal will mate only with a swivel female fitting. The O-Ring is on the maleside. For dimensions see the dedicated section.

X 24 XX ORFS Type

DashSize

-4-6-8-10-12-16-20-24

InchSize

1/43/81/25/83/41

11/4

11/2

NominalThread

Size

9/16 - 1811/16 - 1613/16 - 16

1 - 1413/16 - 1217/16 - 12111/16 - 12

2 – 12

Fraction9/1611/1613/16

113/16

17/16

111/16

2

Decimal.56.69.821.001.191.441.692.00

Fraction17/325/83/4

15/1611/8

13/8

15/8

115/16

Decimal.51.63.75.931.111.361.611.92

RecommendedTorqueValues(Nm)

1526456592130180215

MaleThread

O.D. (inch)

FemaleThread

I.D. (inch)

SAE J512 90° CONEThe American SAE J512 specifies a central cone angle of 90° (45° if we consider the seal surface inclinationcompared to the fitting axis) rather than the 74° angle of the JIC type. Special attention to the selectionprocedure should to be taken as some of the thread sizes and pitches are the same as the JIC sizes,however, it should be noted that the different cone seats are not compatible.

These fittings are dedicated to low pressure applications.

X 26 XX SAE J512 90° cone

DashSize

-2-3-4-5-6-8-10-12

InchSize

1/83/161/4

5/163/81/25/83/4

NominalThread

Size

5/16 - 243/8 - 247/16 - 201/2 - 205/8 - 183/4 - 167/8 - 14

11/16 - 14

mm.7.99.611.212.715.719.022.326.9

inch.31.38.44.50.62.75.881.06

mm.6.98.69.911.414.217.020.325.1

inch.27.34.39.45.56.68.80.99

N/m810121516305060

MaleThreadO.D.*

FemaleThread

I.D.*

RecommendedTorquevalues

16 17


NPTF/NPSM - SAE J516The NPTF male has a 30° inverted seat and tapered threads. The seal take place by deformation of thethread (NPTF on NPSM fixed female) or on 30° cone for NPSM swivel female. NPTF is not interchangeablewith BSPT connectors as the thread is angled at 60°.

The torque obtained can vary considerably depending on thread condition. Correct sealing can occur atvalues much over than the maximum values listed.

When the junction is with a female straight thread this reduces the maximum value by 50%.

If sealant is present this can reduce the torque by 25-30%.

X 28 XX NPTF/NPSM Thread

DashSize

-2-4-6-8-12-16-20-24-32

InchSize

1/81/43/81/23/41

11/4

11/2

2

NominalThread

Size

1/8 - 271/4 - 183/8 - 181/2 - 143/4 - 14 1 - 111/2

11/4 - 111/2

11/2 - 111/2

2 - 111/2

Fraction13/3217/3211/1627/32 11/16

15/16

121/32

129/32

23/8

Decimal.41.54.68.841.051.321.661.902.38

Fraction.38.49.63.77.981.241.581.822.30

Decimal3/81/25/8

25/321

11/4

119/32

113/16

25/16

N/m203040557090100120150

MaleThread

O.D. (inch)

FemaleThread

I.D. (inch)


SAE MALE O-RING BOSS (SAE J516/J514)The O-RING BOSS male will mate with a SAE J1926 port female. The threads are the same as a JIC butthe sealing is assured by an O-Ring on the male and a seal part on the female port.

SAE FLANGES (ISO 6162)This connection is commonly used in a fluid power system.

Flanges are specified from various standard (SAE J518, DIN 20066, ISO 6162, JIS B8363) but all areinterchangeable except for bolt sizes. There are two pressure rating called Code 61 or 3000psi series andCode 62 or 6000psi series. The design concept is the same but the hole spacing, flanged head andthickness are larger for 6000 series (higher pressure).

Sealing is achieved by means of an O-Ring inserted into the face of the flange and compressed against aflat surface by use of bolted clamps (captive flange or split flange halves with threaded holes to matchthe port).

The port is an unthreaded hole with four bolt holes in a rectangular pattern around the port.

X 30 XX SAE O’R Threads

DashSize

-04-05-06-08-10-12-16-20-24

InchSize

1/45/163/81/25/83/41

11/4

11/2

NominalThread

Size

7/16 - 201/2 - 209/16 - 183/4 - 167/8 - 1411/16 - 1215/16 - 1215/8 - 1217/8 - 12

mm.11.212.614.118.922.126.933.141.147.

inch0.440.490.560.740.871.061.311.621.87

mm.9.911.512.917.520.524.931.339.245.6

inch0.390.450.510.690.810.981.231.541.79

N/m20253570100150250300350

FemaleThread


MaleThread

18 19


Code 61 - 3000psi series

DashSize

-08-12-16-20-24-32-40-48

InchSize

1/21/41

11/4

11/2

221/2

3

mmM8x1.25x25M10x1.5x30M10x1.5x30M10x1.5x30M12x1.75x35M12x1.75x35M12x1.75x40

M16x2x50

mm30.238.144.450.860.371.484.1101.6

inch1.191.501.752.002.382.813.314.00

inch5/16-18x11/4

3/8-16x11/4

3/8-16x11/4

7/16-14x11/2

1/2-13x11/2

1/2-13x11/2

1/2-13x13/4

5/8-11x13/4

NominalThread Size

FlangeOD

mm38.147.652.458.769.877.888.9106.4

inch1.501.882.062.312.753.063.504.19

BoltSpacing C

mm17.422.226.230.235.642.850.861.8

inch0.680.871.031.191.401.68

22.43

BoltSpacing A

psi50005000500040003000300025002000

N/m20-2528-4037-4848-6262-7973-90

107-124186-203

MaxWP

BoltTorque

C

A D

Code 62 - 6000psi series

DashSize

-08-12-16-20-24-32

InchSize

1/23/41

11/4

11/2

2

mmM8x1.25x30M10x1.5x35M12x1.75x45M12x1.75x45

M16x2x55M20x2.5x70

mm31.741.347.654.063.579.4

inch 1.191.501.752.002.382.81

inch5/16-18x11/4

3/8-16x11/2

7/16-14x13/4

1/2-13x13/4

5/8-11x21/4

3/4-10x23/4

NominalThread Size

FlangeOD

mm40.550.857.166.779.496.8

inch1.592.002.252.633.133.81

BoltSpacing C

mm18.123.827.831.836.544.5

inch0.710.941.091.251.441.75

BoltSpacing A

psi600060006000600060006000

N/m20-2534-4556-6885-102158-181271-294

MaxWP

BoltTorque

C

A D

METRIC COUPLINGSMetric couplings usually refer to DIN couplings. Metric thread forms are identified through a number ofspecifications.

The primary specification is the German DIN 2353 - ISO 8434–1, which relates to the tube diameter, threadtype and cone angle (24°), used also by compression tube fittings.

Fittings are available in two series, light and heavy series to suite the two types of compression couplingtypes. DIN 3861 - ISO 8434 -1 spec. specifies male threads in light and heavy series commonly identifiedas CEL and CES. The male has a 24° cone seat, straight metric threads and matches the tube OD of thecoupling used with it (metric standpipe or 24° female or multiseal 24° and 60°).

DIN 3865 - ISO 8434-4 / 12151-2 spec. specifies a female coupling with cone angle of 24° and an O-Ringfitted on the cone seat of the female, commonly identified as DKOL and DKOS. This connection type givesimproved sealing performance to the coupled unions. The range includes light and heavy series,identification is made measuring both the thread size and tube OD.

DIN 3863 spec. specifies a cone with a central angle of 60° and does not relate to compression couplingthread forms. It can only be mated to a corresponding 60° union.

DIN 3868 spec. is designed to mate with both 24° and 60° metric cone seats and for this reason isidentified as “multiseal” female.

The Multiseal product is present until Pipe 18 mm (M26x1,5). Moreover, thread of 24° product (Myy x 2)is different from 60° (Myy x 1,5) product, which means a multi connection is not guaranteed.

24° CONE SEAT (DIN 3861 - ISO 8434-1) MALEO-RING 24° CONE (DIN 3865 - ISO 8434-4) FEMALE

STANDPIPE

X 11 XX Metric Thread (24° Cone Light Type) CEL

X 21 XX Standpipe (Heavy Type)

20 21


X 12 XX Metric Thread (24° Cone Heavy Type) CES

X 15 XX Metric Thread (24° Cone O’R Light Type) DKOL

X 16 XX Metric Thread (24° Cone O’R Heavy Type) DKOS

mm681012

15

182228

3542

(inch) (.24)(.32)(.39)(.47)

(.59)

(.71)(.87)(1.10)

(1.38)(1.65)

Pipe/TubeO.D.

Light series

mm

6810121416

202530

38

M 12 x 1.5M 14 x 1.5M 16 x 1.5M 18 x 1.5M 20 x 1.5M 22 x 1.5M 24 x 1.5M 26 x 1.5M 30 x 2.0M 36 x 2.0M 42 x 2.0M 45 x 2.0M 52 x 2.0

(inch)

(.24)(.32)(.39)(.47)(.55)(.63)

(.78)(.98)(1.18)

(1.50)

Pipe/TubeO.D.

Heavy seriesMetricThread

Sizemm1214161820222426303642 4552

inch .47.55.63.71.78.87.941.021.181.411.651.772.04

MaleThread

O.D.

mm10.512.514.516.518.520.522.524.52834404350

inch .41.49.57.65.73.81.89.961.111.341.571.701.97

FemaleThread

I.D.

(nm)12 - 1420 - 2530 - 3535 - 4242 - 5050 - 5858 - 6575 - 85

100 - 110110 - 125180 - 200200 - 220250 - 280

Recommendedtorque values

60° CONE SEAT (DIN 3863)METRIC FEMALE “MULTISEAL” (DIN 3868)

BSP (BRITISH STANDARD PIPE)(BS 5200 - ISO 8434-6 - ISO 228, PT & BSPT Tapered - ISO 7-PT)BSP threads also known as Whitworth threads (55°) may be parallel (BSPP) or tapered (BSPT).

The BSPP thread is parallel and the male has a 30° flare seat which seals with a BSPP female on its 30°cone seat. The thread holds the connection mechanically.

The BSPT male thread is tapered and usually mates with a port. The seal takes place by thread deformation,which is why a sealant is recommended.

X 10 XX Metric Thread (60° Cone Superlight)X 13 XX Metric Thread (Multiseal)

mm681012151822283542

inch.24.32.39.47.59.71.871.101.381.65

inchM 12 x 1.5M 14 x 1.5M 16 x 1.5M 18 x 1.5M 22 x 1.5M 26 x 1.5M 30 x 1.5M 38 x 1.5M 45 x 1.5M 52 x 1.5

Use withPipe/Tube

O.D.

mm12141618222630384552

inch.47.55.63.71.87

1.021.181.501.772.04

MaleThread

O.D.

mm10.512.514.516.520.524.528.536.543.550.5

inch.41.49.57.65.81.961.121.441.711.99

FemaleThread

I.D.MetricThread

Size

X 07 XX Tapered Thread

22 23


A FLAT FACE SEALING VERSION EXISTS (06 CODES)

THE BS 5200 SPECIFICATION RELATES TO AN O-RING VERSION (08 CODES)

Port connections are also made with BSPP male threads: in this case a soft metal sealing or an O-Ring(dowty washer or shaped seal) are used to combine the sealing.

The sealing can also be obtained with the 30° seat and O-Ring on female couplings (BSP O-Ring female).

X 06 XX Parallel Thread (Flat Face)

X 08 XX Parallel Thread O’R (60° Cone)

X 05 XX Parallel Thread (60° Cone)

DashSize

2468101216202432

InchSize

1/81/43/81/25/83/41

11/4

11/2

2

NominalThread

Size

1/8 - 281/4 - 193/8 - 191/2 - 145/8 - 143/4 - 141 - 11

11/4 - 1111/2 - 112 - 11

mm.10.313.717.321.322.926.933.342.248.360.4

inch.41.54.68.84.901.061.311.661.902.38

mm.9.412.415.719.321.124.931.540.146.257.9

inch.37.49.62.76.83.981.241.581.822.28

N/m101525455185104156215300

FemaleThread

I.D.

SuggestedTorque(Nm)

MaleThread

O.D.

JAPANESE STYLE FITTINGS - JIS B 836330° FLARE (BSP) PARALLEL THREAD (TOYOTA STYLE)Male and females have straight threads and a 30° seat. The 30° flare is on the female; the thread conformsto JIS B0202 specification and is the same as a BSPP. The cone is inverted if compared to a BSP female.

30° CONE (BSP) PARALLEL THREAD (NISSAN STYLE)The male and the female have straight threads and 30° seat.The 30° flare is on the male.The product is interchangeable with BSP female (except for some cone dimensions details).The male cone is on the female as BSP product.

30° CONE METRIC PARALLEL THREADS (KOMATSU STYLE)The Komatsu style is the same as a Toyota style except for the threads that is a metric fine thread compliantto JIS B0207 specification (not interchangeable with Toyota products).

30° FLARE (BSP) PARALLEL THREAD (TOYOTA STYLE)

30° CONE (BSP) PARALLEL THREAD (NISSAN STYLE)

30° CONE METRIC PARALLEL THREADS (KOMATSU STYLE)

24 25


NF FRENCH STANDARD CONNECTIONSThey have 24° seat and metric threads. These terminations are similar to DIN types, but the threads arefine type in all the sizes and the sealing is metal to metal on the 24° cone (No O-Ring).

The male will mate with the 24° female or a tubing sleeve. GAZ type and MILLIMETRIC type differ fromtube OD dimensions (see pipe dimensions).

NF FRENCH STANDARD CONNECTIONS

MILLIMETRIC

GAZ

27x1,527x1,530x1,533x1,536x1,539x1,5

Thread

182022252830

Pipe

20x1,524x1,530x1,536x1,5

Thread

13,2516,7521,2526,75

Pipe

OEM SPECIAL CONNECTIONSKOMATSU 5/8” FLANGE5/8” is not a SAE size flange: Komatsu specifies general dimensions.

SUPERCAT FLANGESCaterpillar flanges have the same flange OD as SAE code 62, but they have a thicker flange head (14,3mm).Split flanges code 62 cannot be used.

30° CONE METRIC PARALLEL THREADS (KOMATSU STYLE)The Komatsu style is the same as a Toyota style except for the threads that is a metric fine thread compliantto JIS B0207 specification (not interchangeable with Toyota products).

KOMATSU 5/8” FLANGE

SUPERCAT FLANGES

STAPLE LOCK CONNECTIONS (SAE J1467 - DIN 20043)

26 27


O-RING RECOMMENDATIONSTable O-Ring indications

d

s

Flange

M 23XX1-XX-08M 23XX1-XX-12M 23XX1-XX-16M 23XX1-XX-20M 23XX1-XX-24M 23XX1-XX-32M 23XX1-XX-40M 23XX1-XX-48

BSP type

M 208XX-XX-04M 208XX-XX-06M 208XX-XX-08M 208XX-XX-10M 208XX-XX-12M 208XX-XX-16M 208XX-XX-20M 208XX-XX-24M 208XX-XX-32

DKOL type

M 215X3 - 03 - 12M 215X3 - 04 - 14M 215X3 - 04 - 16M 215X3 - 05 - 16M 215X3 - 06 - 18M 215X3 - 08 - 22M 215X3 - 10 - 26M 215X3 - 12 - 30M 215X3 - 16 - 36M 215X3 - 20 - 45M 215X3 - 24 - 52

DKOS type

M 216X3 - 03 - 16M 216X3 - 04 - 16M 216X3 - 04 - 18M 216X3 - 05 - 20M 216X3 - 06 - 20M 216X3 - 06 - 22M 216X3 - 08 - 24M 216X3 - 10 - 30M 216X3 - 12 - 36M 216X3 - 16 - 42M 216X3 - 20 - 52

Code 61 and 62 flangespublished on SAE J518 and ISO 6162

Hardness: 90 ShA - d x s (mm)

18,64 x 3,5324,99 x 3,5332,92 x 3,5337,69 x 3,5347,22 x 3,5356,74 x 3,5369,44 x 3,5385,32 x 3,53

BSP O-Ring femalepublished on BS5200


6,5 x 1,08,1 x 1,612,1 x 1,613,1 x 1,617,1 x 1,622,1 x 1,629,1 x 1,635,1 x 1,648,1 x 1,6

24° DKOL femalepublished on ISO 8434-1


4 x 1,56 x 1,5

7,5 x 1,57,5 x 1,59 x 1,512 x 215 x 220 x 226 x 2

32 x 2,538 x 2,5

24° DKOS femalepublished on 8434-1


6 x 1,56 x 1,5

7,5 x 1,59 x 1,59 x 1,510 x 212 x 2

16,5 x 2,420,3 x 2,425,3 x 2,433,3 x 2,4

SAE MALE O-RING BOSS (SAE J514)O-Rings dimensions for the fittings M13010 and M14310 are publishedby the SAE J515 specification (O-Ring size specifications for SAE J1926/2 and SAE J1926/3, ISO 11926-2 and ISO 11926-3).

The O-Ring compound conforms to SAE J515 specifications.For petroleum based and water based hydraulic fluids, with working temperature range -35°C to 125°C:Hardness: 90 ShA, Compound: NBR based

STAPLE LOCK O-RINGS AND BACK-UP RINGS

SAE Male O-Ring Boss (SAE J514)

M 13010-04-04M 13010-06-06M 13010-06-08M 13010-08-08M 13010-08-10M 13010-10-12

8,92 x 1,8311,89 x 1,9816,36 x 2,2116,36 x 2,2119,18 x 2,4623,47 x 2,95

Fitting ref. code O-Ring dimensionsID x section diameter (mm)

STAPLE LOCK CONNECTIONS (SAE J1467 - DIN 20043)

M 14810-04-04M 14810-06-06M 14810-08-08M 14810-12-12M 14810-16-16M 14810-20-20M 14810-24-24M 14810-32-32

6,0 x 2,010,0 x 2,013,0 x 2,519,0 x 2,525,0 x 2,533,0 x 2,540,0 x 3,050,0 x 3,0

0,8 x 6,8 x 10,00,8 x 10,8 x 14,00,8 x 14,0 x 18,00,8 x 20,0 x 24,00,8 x 27,0 x 31,00,8 x 34,0 x 38,01,5 x 42,0 x 47,01,5 x 51,0 x 56,0

Fitting ref. code O-Ring (s x d) mm Back-up Ring (s x d x OD) mm

28 29


SAE MALE O-RING BOSS (SAE J514)O-Rings dimensions for the fittings M12410 are published by the SAE J515 and ISO 8434-3.

The O-Ring compound conforms to SAE J515 specifications.For petroleum based and water based hydraulic fluids, with working temperature range -35°C to 125°C:Hardness: 90 ShA, Compound: NBR based.

OPTIONAL INTERLOCK PLUS O-RINGS

ORFS Male (SAE J1453)

M 12410-04-04M 12410-06-06M 12410-06-08M 12410-08-08M 12410-08-10M 12410-10-10M 12410-12-12M 12410-12-16M 12410-16-16M 12410-20-20M 12410-24-24

7,65 x 1,789,25 x 1,7812,42 x 1,7812,42 x 1,7815,60 x 1,7815,60 x 1,7818,77 x 1,7823,52 x 1,7823,52 x 1,7829,87 x 1,7837,82 x 1,78

Fitting ref. code O-Ring dimensionsID x section diameter (mm)

PART. REF. HOSE BORE O-RING SIZE(dxs mm) MATERIAL

J029171318J029191618J029262218J029322818J029383518J029514718

DN161925313851

inch5/8”3/4”1”

1.1/4”1.1/2”

2”

Size- 10- 12- 16- 20- 24- 32

13,20x1,8015,60x1,7821,95x1,7828,30x1,7834,65x1,7847,35x1,78

NBR 90 Shore ANBR 90 Shore ANBR 90 Shore ANBR 90 Shore ANBR 90 Shore A NBR 90 Shore A

30

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