Series 2/640 +400°C VA
Valve closed by spring force in rest position - NC. When the actuator (cylinder) is pressurised the piston (spindle) is lifted of the seat (orifice) directly. Further function like normal open by spring force (NO) is also available. High temperature design up to +400°C with metallic seat sealing and static wills-ring.
Technical informations
Connections
G1/2, G3/4, G1, G5/4, G6/4, G2, DN15, DN20, DN25, DN32, DN40, DN50
Pressure
0 bar up to 40 bar
Temperature
-10 °C up to 400 °C
Type of Control
pneum. direct
Housing materials
AISI 316 Ti - 1.4571(81)
Sealing
Metall/Wills®
Media
Steam 300°C, Thermal-Oil >300°C
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