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● VRF valves are designed for special use (processes) in industrial
companies
● Standards and certificates
● Valves (class A) for installation in gas trains
● Suited for use with gases of gas families I...III, air and slightly aggressive biogases and recycling gases
● Valves in connection with actuators open slowly and close rapidly
● 2-port valves with flange connection of the normally closed type
● Valve class in connection with actuator A conforming to EN 161
● Types of gases : gases of gas family 1, 2, 3 and air
gases up to maximum 1 vol.% H2S, dry
gases up to maximum 1 vol.% NH3, dry
● Environmental conditions Operation DIN EN 60721-3-3
Climatic conditions Class 3K5
Mechanical conditions Class 3M2
Temperature range -10...+60°C
Humidity <95%r.h.
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