Models Z2S are pilot operated check valves in a sandwich plate design. They provide line contact closure in one or two actuator ports, even during idle periods. Piloted to open, utilizing a pressure signal from the opposite actuator port provides a self-contained function.
•Sizes 6 to 22
•Porting pattern according to ISO 4401-3, 5, 7, 8; NFPA T3.5.1M R1, and ANSI B93.7 D 03, D 05, D 07, D 08
•For the leak-free isolation of one or two actuator ports
•Various cracking pressures