Parker Hannifin Corporation
Quick Coupling Division
Minneapolis, MN 55427
9
Quick Coupling Products
RatedWorking Pressure
(
PSI)
Body Size
1/4"
3/8"
1/2"
Connected
3000
1500
750
Disconnected
3000
1500
750
Connect Under Pressure*
250
250
250
*
See Glossary of Terms
Specifications
Vacuum Rating:
Parker CPI Series will handle vacuums up
to 50 millitorr or .05 mm of Hg absolute pressure.
CPI Series Features
•
Simple push-pull action to connect and disconnect lines–no
tools required.
•
Reliable, leak-tight O-ring seals for vacuum or pressure
systems.
•
Couplers and nipples are available valved or unvalved.
Valves automatically open when connected and shut off
when disconnected to minimize the loss of liquids or gases.
•
Positive valve stops prevent flow checking.
•
Valve guide positively aligns valve with seat to prevent
leakage.
•
Durable ball-locking mechanism assures reliable connection
while distributing the load and providing alignment and
swiveling action.
•
CPI Series couplers and valved nipples are 100% factory
leak tested to 1x10 -3 cc/s.
Materials of Construction
Stainless Steel Products
Machined Parts:
Stainless Steel AISI type 316
Springs:
Stainless Steel AISI type 302
Locking Balls:
Stainless Steel AISI type 302
Retaining Rings:
Stainless Steel AISI type 302
Seals:
Fluorocarbon is standard
Other materials available
CPI Series Performance
Instrumentation Couplings
CPI Series
1/4"
CPI Flow Data (Water)
Flow GPM
Pressure Drop PSID
30.0
25.0
20.0
15.0
10.0
5.0
0.0
0.2
0.4
0.6
0.8
1.0
1.2
Double
Shut-Off
Single
Shut-Off
Flow GPM
Pressure Drop PSID
Double
Shut-Off
Single
Shut-Off
40.0
35.0
30.0
25.0
20.0
15.0
10.0
5.0
0.0
0.5
1.5
2.5
3.5
4.5
3/8"
CPI Flow Data (Water)
1/2"
CPI Flow Data (Water)
Flow GPM
Pressure Drop PSID
30.0
25.0
20.0
15.0
10.0
5.0
0.0
1.0
3.0
2.0
4.0
6.0
8.0
5.0
7.0
9.0
Double
Shut-Off
Single
Shut-Off