A-61
Pioneer
The Farmer’s Choice
Quick Couplings
Parker Hannifin Corporation
Pioneer Products Group
Minneapolis, MN
www.parker.com/quickcouplings
Catalog 3900 - Pnuematic Couplings
Couplers- Female Pipe Thread
Body
Size
Part No.
Port End
Length
Largest
Diameter
Wrench Flats
Weight (lbs.)
1/4
RF-251-4FP
1/4-18
NPSF
2.19
0.99
0.81
0.26
1/4
RF-251-6FP
3/8-18
NPSF
2.34
0.99
0.81
0.27
3/8
RF-371-6FP
3/8-18
NPSF
2.33
1.07
0.94
0.31
3/8
RF-371-8FP
1/2-14
NPSF
2.49
1.07
1.00
0.35
Couplers- Male Pipe Thread
Body
Size
Part No.
Port End
Length
Largest
Diameter
Wrench Flats
Weight (lbs.)
1/4
RF-251-4MP
1/4-18
NPTF
2.34
0.99
0.81
0.24
1/4
RF-251-6MP
3/8-18
NPTF
2.37
0.99
0.81
0.25
1/4
RF-251-8MP
1/2-14
NPTF
2.56
0.99
0.88
0.29
3/8
RF-371-6MP
3/8-18
NPTF
2.52
1.07
0.94
0.30
3/8
RF-371-8MP
1/2-14
NPTF
2.68
1.07
0.94
0.33
Couplers- Standard Hose Barb
Body
Size
Part No.
Hose I.D.
Length
Largest
Diameter
Wrench Flats
Weight (lbs.)
1/4
RF-251-4HB
1/4
2.81
0.99
0.81
0.26
1/4
RF-251-6HB
3/8
2.81
0.99
0.81
0.27
3/8
RF-371-6HB
3/8
3.02
1.07
0.94
0.31
3/8
RF-371-8HB
1/2
3.02
1.07
0.94
0.34
Couplers- Push-Lok Hose Barb
Body
Size
Part No.
Hose I.D.
Length
Largest
Diameter
Wrench Flats
Weight (lbs.)
1/4
RF-251-4PL
1/4
2.64
0.99
0.81
0.26
1/4
RF-251-6PL
3/8
2.78
0.99
0.81
0.27
1/4
RF-251-8PL
1/2
2.93
0.99
0.81
0.28
3/8
RF-371-6PL
3/8
3.02
1.07
0.94
0.33
3/8
RF-371-8PL
1/2
3.02
1.07
0.94
0.33
RF Series Couplers
High Flow European Interface
Push-to-connect sleeve, single shut off