A pilot operated check valve is used to provide leakfree
 closure of a hydraulic circuit under pressure. It protects
 the load against dropping should a line break occur and
 ensures a stable position of a hydraulic actuator under
 pressure, even during long idle periods.
Description:- Sandwich plate design for use in vertical stacking assemblies
 - 3 models:
 
    - leakfree closure of both sides with check valves in lines A and B
    - leakfree closure with check valve in line A
    - leakfree closure in line B
- Installation dimensions acording to ISO 4401 / DIN 24 340
 
Features:- Size: 04
 - Pressures: up to 320 bar
 - Flow rate: to 20 l / min