Quick Coupling Products - Longin Parkerstore

Catalogue 3800-MOB/UK
Pressure drop
Tests with oil viscosity 43 cSt at 38°C.
Traditional QC
2000 Series
Ball valving Poppet valving
Pressure drop (Mpa)
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
0
1/2" (Groups 2 and 4)
10 20 30 40
Flow (l/min)
50 60 70 80
Technical performance data
Series
Temperature range Max. operating pressure
Mpa
Group 2 -30°C +110°C 25
Group 3 -30°C +110°C 25
Group 4 -30°C +110°C 25
Selection of the groups
Features
2000 series
Pressure drop (Mpa)
3/8" (Group 4) and 1/2" (Groups 2, 3 and 4)
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0 10 20 30 40 50 60 70 80 90 100 110
Flow (l/min)
3/8" 1/2"
Group 2 Group 3 Group 4
Sleeve Single acting Double acting Double acting
Spring strength Light Medium Strong
Availability Female body* Female body* Female body and male tip
Functioning Free mounting: Free mounting: Free mounting:
from hose to hose from hose to hose from hose to hose
*To be used with Group 4 male tips.
OR OR
Reverse mounting with the
male tip being rigid mounted
on the equipment. Connection
is easily made using a pushing
action on the double acting
sleeve.
Bulkhead mounting on the
outside sleeve allowing a pushto-connect
and a pull-todisconnect
operation. An
automatic breakaway facility
prevents damage to the coupler
or hose when accidentally
disconnected by vigorous
pulling, such as when a towed
implement becomes unhitched.
8 Parker Hannifin
Fluid Connectors Group