Servo-assisted solenoid valve with servodiaphragm for the control of liquid or gaseous media. A pressure difference of 0.5 bar is  required for a complete switchover. Universal version up to 16 bar.  NBR, EPDM or FKM servo-diaphragms. Anti-waterhammer, low noise. NC or NO circuit function. Brass body or grey cast iron. .Threaded port or flange connections.
