Parker Hannifin Corporation
Quick Coupling Division
Minneapolis, MN 55427
31
Quick Coupling Products
Pneumatic Couplings – Push-To-Connect
HF Series – Industrial Interchange
Features
•
Parker HF Series Pneumatic Quick Couplings offer an
alternative to traditional industrial interchange couplers. The
quality and durability you have come to expect from Parker
20
Series couplers, combined with a slim profile, push-to-
connect design. The result is an easy to use general
purpose pneumatic coupler suitable for use in
a variety of applications.
•
Parker HF couplers feature sleeve guards to protect against
accidental disconnection.**
•
Standard couplers feature solid brass construction, high
flow valving, corrosion resistant valves, and stainless steel
locking balls and valve spring.
•
Parker HF couplers accept Industrial Interchange nipples*
manufactured by Parker and other manufacturers. See table
of contents.
* 1/8"
couplings have no standard industry interface.
** 1/8"
couplings do not incorporate an integral sleeve guard.
HowTo Order
HF Series (1/8" & 1/4" sizes)
0
5
10
15
20
25
30
35
40
0
5
10
15
20
Air Flow in SCFM
1/4"
1/8"
Pressure Drop in PSID
100
PSI Inlet Pressure
80
PSI Inlet Pressure
Performance
Specifications
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)
Not Recommended
Connected
— 27.4 27.4 27.4
HF Series (3/8" & 1/2" sizes)
0
20
40
60
80
100
120
140
160
180
200
220
0
5
10
15
20
Air Flow in SCFM
1/2"
3/8"
Pressure Drop in PSID
100
PSI Inlet Pressure
80
PSI Inlet Pressure
Port Configuration
FP - Female Pipe
MP - Male Pipe
HB - Standard Hose Barb
PL - Push-Lok Hose Barb
HF Series
Port Size
(1/16
of an inch)
Body Size
12 - 1/8"
25 - 1/4"
37 - 3/8"
50 - 1/2"
HF - 251 - 4 FP - * - S
Unit
1 -
Valved Coupler
4 -
Unvalved Nipple
Heavy Duty Steel Coupler
(1)
Seal Options
Blank - Nitrile
F - Fluorocarbon
E - Ethylene Propylene
(1)
1/8"
and 1/2" are not available in a heavy duty version.