Seat Valves, SVH04 Low-weight (aluminum) valves used to control single- or double-acting actuators where high levels of leak-tightness are required. They close the flow paths to and from the actuator with virtually zero leakage.
Directional Seat Valve Blocks, WSH03 Aluminum monoblock valves for a maximum of 5 actuators. They are used to control single- or double-acting cylinders where high levels of leak-tightness are required.