General Purpose-Push to Connect Pneumatic Quick Couplers | Heavy Duty Male Pipe Thread | Parker HF Series

Parker HF Series Heavy Duty Male Pipe Thread Couplers COUPLERS

Sizes 1/4 - 3/8"

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Specifications for Parker HF Series - Heavy Duty Male Pipe Thread

 

Body

Size

(in.)

New

Part No.

Steel

Thread

Size

NPTF

Dimensions (in.)

Overall

Length

A

Wrench

Flats

B

Largest

Diameter

C

1/4

HF-251-4MP-S

1/4-18

2.34

0.81

0.99

1/4

HF-251-6MP-S

3/8-18

2.37

0.81

0.99

3/8

HF-371-4MP-S

1/4-18

2.49

0.94

1.07

3/8

HF-371-6MP-S

3/8-18

2.52

0.94

1.07

3/8

HF-371-8MP-S

1/2-14

2.68

0.94

1.07

 

Body Size (in.)

1/8

1/4

3/8

1/2

Rated Pressure (psi)

250

300

300

300

Temperature Range (Std. seals)

-40° to +250°F

Locking Device

5 balls

4 balls

6 balls

8 balls

Vacuum Data (inches Hg) Disconnected (coupler only) Connected

 

Not Recommended

-

27.4

27.4

27.4

 

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Warning Triangle WARNING: These products can expose you to chemicals including lead and/or DEHP and/or carbon black, which are known to the State of California to cause cancer or birth defects or other reproductive harm.  For more information go to www.P65Warnings.ca.gov