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D series, metal design

Learn more about D series, metal design

Selection Guide

Shut off valves HE

The HE 3/2-way valves are manually operated shut off valves (bistable) for the targeted pressurization and exhausting of pneumatic systems. The valve is switched by turning the rotary knob. In closed condition, the rotary knob can be secured with a padlock A pneumatic muffler can be attached to connection 3 or, alternatively, the exhaust air can be collected and discharged.

Shut off valves HEE, electric

The HEE 3/2-way valves are electrically operated shut off valves (monostable closed) for the targeted pressurization and exhausting of pneumatic systems. These are equipped as standard with a solenoid coil without socket. The manual override is possible non-detenting and detenting (option 10V24 only non-detenting). The 24 VDC voltage range is the standard option, alternatively 110 VAC and 230 VAC can be selected.

Shut off valves HEP, pneumatic

The HEP 3/2-way valves are electrically operated shut off valves (monostable closed) for the targeted pressurization and exhausting of pneumatic systems.

Soft-start valves HEL

The HEL 2/2-way valves are pneumatically operated soft start valves for slow pressurization of pneumatic systems. This prevents sudden and unpredictable movements of pneumatic actuators. The duration of the pressure build-up is set via the flow control attached to the valve cap. The outlet pressure p2 rises slowly according to the set flow control position. When the switching pressure is reached (at approx. 50% of operating pressure), the main seat opens.