A-8
20
Series Pneumatic Couplers mate with Industrial Interchange
nipples, the standard male tip of the pneumatic industry.
Available options include Sleeve-Lok, stainless steel locking
balls and springs, and grip-ring sleeve.
Features:
Mates with Industrial Interchange nipples manufactured to
A-A-59439 (MIL-C-4109F, ISO 6150-B) global standards
• 1/4”
body size has a brass body and steel valve, 3/8” body size
has all steel construction
Tubular valve delivers high flow with minimal pressure drop
Integral sleeve guard resists accidental disconnection
Standard seal is Nitrile
Applications:
Air compressors
Pneumatic tools
Water
Grease
Paint
Performance
20
Series (1/4", 3/8", 1/2" sizes)
0
20
40
60
80
100
120
140
160
0
5
10
15
20
Air Flow in SCFM
1/2"
3/8"
1/4"
Pressure Drop in PSID
100
PSI Inlet Pressure
80
PSI Inlet Pressure
Parker Hannifin Corporation
Quick Coupling Division
Minneapolis, MN
A
Pneumatics
Pneumatic Quick Couplings -
General Purpose
20
Series Couplers
Accepts Industrial Interchange Nipples
Manual sleeve, single shut off
20
Series Specifications
Body Size
1/4
3/8
1/2
Rated Pressure (psi)
300
Temperature Range (std seals)
-40
º to +250º F
Locking Device
4
balls 8 balls 8 balls
Vacuum Data (in. Hg.)
Disconnected (coupler only)
Not Recommended
Connected
27.4
Repair Kits
Body
Size
Seal Material
Part No.
1/4
Nitrile
21
K
1/4
Ethylene Propylene
21
KW
1/4
Fluorocarbon
21
KY
3/8
Nitrile
14
K
3/8
Ethylene Propylene
14
KW
3/8
Fluorocarbon
14
KY
1/2
Nitrile
16
K
1/2
Ethylene Propylene
16
KW
1/2
Fluorocarbon
16
KY
3/4
Nitrile
38
K
3/4
Ethylene Propylene
38
KW
3/4
Fluorocarbon
38
KY