A-28
Parker Hannifin Corporation
Quick Coupling Division
Minneapolis, MN
www.parker.com/quickcouplings
A
Pneumatics
Performance
70
Series (1/4" size)
0
5
10
15
20
25
30
35
0
5
10
15
20
Air Flow in SCFM
1/4"
Pressure Drop in PSID
100
PSI Inlet Pressure
80
PSI Inlet Pressure
Pneumatic Quick Couplings
General Purpose
70
Series Couplers
Lincoln (Long) Interchange
Manual sleeve, single shut off
70
Series Specifications
Body Size
1/4
Rated Pressure (psi)
300
Temperature Range (std seals)
-40
º to +250º F
Locking Device
4
balls
Vacuum Service
Not Recommended
70
Series Pneumatic Couplers are interchangeable with
Lincoln’s “Long Stem” series couplings. Couplers have brass
bodies and steel valves. Nipples are constructed of steel.
Sleeve-Lok is an optional feature.
Features
•
Integral sleeve guard resists accidental disconnection
•
Tubular valve delivers high air flow with minimal
pressure drop
•
Standard seal is Nitrile
Applications:
•
Air compressors
•
Pneumatic tools
•
Water
•
Grease
•
Paint
Couplers - Female Pipe Thread
Body
Size
Part No.
Brass
Thread Size
Length
Largest
Diameter
Wrench Flats
Weight (lbs.)
1/4
B73
1/4-18
NPTF
2.40
0.90
0.75
0.25
Repair Kits
Body
Size
Seal Material
Part No.
1/4
Nitrile
21
K
1/4
Ethylene Propylene
21
KW
1/4
Fluorocarbon
21
KY