Page 423 - Parker Catalog 4400 - Hose, Fittings and Equipment

Catalog 4400 US Technical

4-Bolt Split Flange
A 4-bolt split flange is used to
attach the flange fittings to their ports.
• Standard Code 61 for 3000 to 5000 psi max.,
depending on size
• High Pressure Code 62 for 6000 psi max., A A
regardless of size
port dimensions

Code 61 – SAE – 3000 psi Code 62 – SAE – 6000 psi
Flange Size A B C Flange Size A B C B
(inch) (mm) (mm) (inch) (metr.) (inch) (mm) (mm) (inch) (metr.)
1/2 -8 38.1 17.5 5/16x18 M8x1.25 1/2 -8 40.5 18.2 5/16x18 M8x1.25
3/4 -12 47.6 22.3 3/8x16 M10x1.5 3/4 -12 50.8 23.8 3/8x16 M10x1.5
1 -16 52.4 26.2 3/8x16 M10x1.5 1 -16 57.2 27.8 7/16x14 M12x1.75
1-1/4 -20 58.7 30.2 7/16x14 M10x1.5 1-1/4 -20 66.7 31.8 1/2x13 M12x1.75*
1-1/2 -24 69.9 35.7 1/2x13 M12x1.75 1-1/2 -24 79.4 36.5 5/8x11 M16x2
2 -32 77.8 42.8 1/2x13 M12x1.75* 2 -32 96.8 44.4 3/4x10 M20x2.5

*M14x2 still used in the market but no longer in accordance with ISO 6162
C

Replacing Caterpillar 6000 PSI Flange Fittings with
®
SAE Code 62 Flange Fittings and Parker “Caterpillar ” Style Flange Fittings
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Caterpillar has a proprietary 6000 PSI hydraulic such as the 1XA78 using the existing Caterpillar
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flange fitting for use on their equipment. This fitting flange halves and bolts. In this case the XARG O-ring
is similar to the SAE Code 62 hydraulic flange (SAE would be used. The fitting could also be replaced with
J518). Flange diameters and bolt hole spacing are the a standard Code 62 flange fitting such as the 16A78.
same. The Caterpillar flange head is thicker (.560” In this case use HFH flange halves or the HFHFHK kit D
®
in all sizes) and the configuration and location of the with the standard SAE O-ring (711510).
O-ring groove is different, requiring the use of a special Do not use the Caterpillar 6000 PSI split flange halves
®
O-ring.
on SAE Code 62 flange fittings or SAE Code 62 flange
The Caterpillar 6000 PSI flange fitting can be re- halves on Caterpillar 6000 PSI flange fittings.
®
®
placed with a Parker “Caterpillar ” style flange fitting
®
Flange Half Flange Kit
Procedure P-ring P/N
P/N P/N
When replacing Use existing E
®
Caterpillar 6000 PSI Use existing flange
Flange Fittings with XARG-Size flange halves halves
Parker “Caterpillar and bolts
®
H (in) Style” Fittings: and bolts
Size Caterpillar ® SAE Code 62
3/4 (-12) .560 .345 When replacing Caterpil-
®
1 (-16) .560 .375 lar 6000 PSI Flange 711510* HFH-Size HFHFHK-
1-1/4 (-20) .560 .405 Fittings with SAE Code Size
1-1/2 (-24) .560 .495 62 Flange Fittings:

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