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Clorius Controls

H2FR 2-way Control Valve (DN100-DN150)

The Clorius H2FR 2-way control valve is mainly intended for the control of cooling systems. The H2FR with a size of DN100 till DN150 is used in conjunction with temperature- or pressure differential regulators. As the reverse acting valves are held in a closed position by means of a built-in spring, the max. differential pressure, ΔpL, against which a valve can close depends on the spring and when opening the valve, the actuator has to overcome the spring force. Please see the datasheet for the max. allowable values of ΔpL as well as the max. allowable inlet pressures for opening the valves, p1max for various actuator forces.

Prijs en bezorgtijd worden verstrekt op aanvraag
Materials Cast Steel GP240GH N (1.0619)
Min. Temperature -10ºC
Max. Temperature 350ºC
Sizes DN100, DN125, DN150
Nominal pressure PN 25, PN 16 (DN150)

The Clorius H2FR 2-way control valve is mainly intended for control of cooling systems. The H2FR with a size of DN100 till DN150 is used in conjunction with temperature- or pressure differential regulators. As the reverse acting valves are held in a closed position by means of a built-in spring, the max. differential pressure, ΔpL, against which a valve can close depends on the spring and when opening the valve, the actuator has to overcome the spring force. Please see the datasheet for the max. allowable values of ΔpL as well as the max. allowable inlet pressures for opening the valves, p1max for various actuator forces.

Design

The valve components – spindle, seats and cone – are made of stainless steel. The valve body is made of cast steel GP240GH (GS-C25) with flanges drilled according to EN 1092-1. The connection thread for the actuator is G1B ISO 228. The valves are double-seated. The leakage rate is less than 0.5% of the full flow (according to VDI/VDE 2174).

Reverse acting

Without an actuator being connected, the valve is held in a closed position by means of a spring. With pressure on the spindle the valve opens. In connection with our actuators, the valves act as “cooling” valves, i.e. they open at rising temperatures. The linear characteristic will not cease until the flow has dropped below 4% of the full flow.

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Bart de Haan

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