- ports 1/2″, 3/8″, 3/4″, 1″, 6/4″, 2″
- nominal orifice size from 10 mm to 50 mm
- pilot operated – diaphragm (0,3 bar to 10,12 or 16 bar – no waterhammer)
- pilot operated – piston (0,3 to maximum 200 bar)
- direct acting, a pressure drop is not necessary (0 to 10 bar)
