This week, we’d like to introduce a hydraulic Pilot-Operated, Balanced Piston Relief Valve equivalent to SUN RPEC. This Pilot-operated, balanced-piston relief cartridges are normally closed pressure regulating valves.
This week, we’d like to introduce a hydraulic Pilot-to-close check valve equivalent to SUN COJA. This valve is a spring biased closed, pilot-to-close check cartridge that has a 1.8:1 pilot ratio.
The coils required by hydraulic cartridge valve manufacturers need to be purchased from the coil manufacturers, but the quality and price of the coil factories are uneven.