The PS50-40X is a spool type, direct acting, adjustable, external pilot hydraulic sequence valve with externally vented spring chamber
The PS50-40X blocks flow between ports 2 and 3 bidirectionally. The spring chamber is constantly vented at port 4. On attainment of the valve pressure setting at port 1, the spool shifts to open ports 2 and port 3 bidirectionally. Pressure at port 4 is additive to the spring setting at a 1:1 ratio
- Adjustments cannot be backed out of the valve.
- Adjustments prohibit springs from going solid.
- Optional spring ranges to 241 bar (3500 psi).
- Hardened precision spool and cage for long life.
- Industry-common size.