General Purpose-Push to Connect Pneumatic Quick Couplers | Female Pipe Thread | Parker RF Series Couplers

Parker RF Series Female Pipe Thread Couplers COUPLERS

Sizes 1/4" - 3/8"

Go to Parker RF Series Nipples
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Specifications for Parker RF Series

 

Body

Size

(in.)

NEW

Part
No.

Thread

Size

NPSF

Dimensions (in.)

Overall

Length

Wrench

Flats

Largest

Diameter

1/4

RF-251-4FP

1/4-18

2.19

0.81

0.99

1/4

RF-251-6FP

3/8-18

2.34

0.81

0.99

3/8

RF-371-6FP

3/8-18

2.33

0.94

1.07

3/8

RF-371-8FP

1/2-14

2.49

1.00

1.07

 

 

Body Size (in.)

1/4

3/8

Rated Pressure (psi)

300

300

Temperature Range (std seals)

-40° to +250°F

-40° to +250°F

Locking Device

4 balls

8 balls

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


Not Recommended
Not Recommended


Not Recommended
Not Recommended

 

Orders & Quotes


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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