General Purpose-Push to Connect Pneumatic Quick Couplers | Heavy Duty Female Pipe Thread | Parker HF Series
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COUPLERS Sizes 1/4 - 3/8" Select Another Pneumatic QC |
Specifications for Parker HF Series - Heavy Duty Female Pipe Thread
Body Size (in.) |
New Part No. Steel |
Thread Size NPSF |
Dimensions (in.) |
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Overall Length A |
Wrench Flats B |
Largest Diameter C |
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1/4 |
HF-251-4FP-S |
1/4-18 |
2.19 |
0.81 |
0.99 |
1/4 |
HF-251-6FP-S |
3/8-18 |
2.34 |
0.81 |
0.99 |
3/8 |
HF-371-4FP-S |
1/4-18 |
2.33 |
0.94 |
1.07 |
3/8 |
HF-371-6FP-S |
3/8-18 |
2.33 |
0.94 |
1.07 |
3/8 |
HF-371-8FP-S |
1/2-14 |
2.49 |
1.00 |
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 |
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Locking Device |
5 balls |
4 balls |
6 balls |
8 balls |
Vacuum Data (inches Hg) Disconnected (coupler only) Connected |
Not Recommended |
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- |
27.4 |
27.4 |
27.4 |
Orders & Quotes
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