Semi-direct acting brings together the principles of direct and oblique acting valves. Apart from the magnetic force from the solenoid, force differential over the valve helps in opening or closing the valve. เลือกรหัสสินค้าเพื่อสั่งซื้อทันที/ ใส่ในรถเข็น In differential solenoid valves it will utilise a strain differential to open up or close the http://industrial-solenoid60369.thezenweb.com/solenoid-Options-46668772