Series D2601/05.. - D2609/05..
Externally- and force pilot operated Valve. Valve closed by spring force in rest position - NC. When the actuator (cylinder) is pressurised the piston (spindle) is lifted of the pilot and main orifice and the valve will open directly or servo assisted by the pressure differential (delta p) of the flow medium.
A pressure differential (delta p) is not required for the operation. Further functions like NO - by spring force in rest position or double acting actuators are also available.
Technical informations
Connections
DN15, DN32, DN40, DN50, DN65, DN80, DN100
Pressure
0 bar up to 40 bar
Temperature
-20 °C up to 80 °C
Type of Control
pneum. force pilot
Housing materials
EN-GP240GH cast steel
Sealing
PTFE
Optional
Drosselkegel zur Vermeidung vom Schließschlägen
Media
Water, H2O, Air, Water H2O with Glycole, Oxygen O2, Nitrogen Gas N2, Forming Gas, LPG liquified petrol gas propane, butane, Steam 180°C, Water, Hot above 90°C H2O, Gasoline, Dieseloil, Fuels, JP-8 jet fuel aviation, kerosine, Steam 110°C, Condensate, Condensate 200°C, Thermal-Oil >180°C, Hot Air 180°C, Ammoniac NH3
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