SD4M Direct Acting Sequence Valve

The SD4M valve is a direct-acting sequence valve, with spool, in a modular version. It is used to control two or more users in succession. It is a normally closed valve. It opens when the inlet pressure reaches the calibration value of the regulation spring, allowing the fluid to pass into the pressure duct of the main circuit. The valve remains open until the pressure in the circuit drops below the calibration value set by the spring.

It is available with internal or external piloting, in three pressure regulation ranges up to 210 bar. It is supplied with a hexagon socket adjustment screw, locking nut and limitation of the maximum adjustment stroke.