Non-Spill Hydraulic Quick Couplers | Parker FF Series Couplers

Body

Size

(in.)

Part

No.

Steel

Thread

Size

Dimensions (in.)

Overall

Length

A

Wrench

Flats

B

Largest

Diameter

C

1/4

FF-251-4FP

1/4-18 NPSF

1.79

1.00

1.06

1/4

FF-251-4MP

1/4-18 NPTF

1.84

1.00

1.06

1/4

FF-251-6FO

9/16-18 UNF

1.91

1.00

1.06

3/8

FF-371-6FP

3/8-18 NPSF

2.39

1.06

1.20

3/8

FF-371-8FP

1/2-14 NPSF

2.80

1.06

1.20

3/8

FF-371-6FB

G3/8 BSPP

2.45

1.06

1.20

3/8

FF-371-8FB

G1/2 BSPP

2.80

1.06

1.20

3/8

FF-371-8FO

3/4-16 UNF

2.82

1.06

1.20

1/2

FF-501-8FP

1/2-14 NPSF

2.67

1.37

1.58

1/2

FF-501-10FO

7/8-14 UNF

2.89

1.37

1.58

3/4

FF-751-12FP

3/4-14 NPSF

3.50

1.75

1.94

3/4

FF-751-12FO

1 1/16-12 UNF

3.75

1.75

1.94

1

FF-1001-16FP

1-11 1/2NPSF

4.14

1.87

2.25

1

FF-1001-16FO

1 5/16-12UNF

4.24

1.87

2.25

Body Size (in.)

1/4

3/8

1/2

3/4

1

Rated Pressure (PSI)

5000

3000

3000

3000

3000

Rated Flow (GPM)

3

6

12

28

50

Temperature Range

-40° to + 250°F

Spillage (ML) (max. per disconnect)

0.015

0.015

.020

.150

.200

Air Inclusion (ML) (max. per connect)

.020

.020

.070

.100

.150

Optional Seal

Suffix*

Fluorocarbon

- E4

Ethylene Propylene (EPR)

- E5

Perfluoroelastomer

- E35