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Clorius Controls

G2F 2-way Control Valve

The Clorius G2F 2-way control valve is designed for regulating hot water, steam and hot oil systems. The double-seated G2F linear valve is used in installations where the system pressure necessitates a closing force greater than available in the actuator programme for a single-seated valve. The valve is used in conjunction with Clorius temperature or pressure differential regulators for controlling industrial processes, district or central heating plants or marine installations.

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Materials Nodular cast iron GGG40 (EN-GJS-400-15)
Bore size 25mm
Min. Temperature -10ºC
Max. Temperature 300ºC
Size DN20...DN80
Connection Flange or ANSI Flange
Nominal pressure PN 25
Leakage rate ≤ 0.5% of Kvs

The Clorius G2F 2-way control valve is designed for regulating hot water, steam and hot oil systems. The double-seated G2F linear valve is used in installations where the system pressure necessitates a closing force greater than available in the actuator programme for a single-seated valve. The valve is used in conjunction with Clorius temperature or pressure differential regulators for controlling industrial processes, district or central heating plants or marine installations.

Design

The valve components – spindle, seats and cone – are made of stainless steel. The valve body is made of nodular cast iron EN-GJS-400-15 with flanges drilled according to EN 1092-2. The thread for the actuator connection 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).

Function

Without the actuator being connected, the valve is held in an open position by means of a spring. With pressure on the spindle, the valve will close. In connection with our thermostats, pneumatic or electric actuators, the valves will close at rising temperatures. For cooling circuits, the valve can be used in conjunction with a reverse acting electric actuator. Alternatively, a reverse acting valve can be used with our self-acting thermostats. The quadratic characteristic will not cease until the flow has dropped below 4% of the full flow.

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Get in touch with Bart our Clorius specialist

Bart

Bart de Haan

Managing Director

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