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Clorius Controls

G1FBN 2-way Control Valve

The Clorius G1FBN 2-way control valve is designed for regulating hot water, steam and hot oil systems. The G1FBN balanced valve is used in installations where the system pressure necessitates a closing force greater than available in the actuator programme for a standard single-seated valve, and where the leakage rate for a double-seated valve is unacceptable. The Clorius G1FBN 2-way control valve is used in conjunction with our temperature or pressure differential regulators for controlling industrial processes, district or central heating plants or marine installations.

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Material Nodular cast iron GGG40 (EN-GJS-400-15)
Connection ANSI flange
Min. Temperature -10ºC
Max. Temperature 250ºC
Max. Discharge Flow 14 l/s
Nominal pressure PN25
Leakage rate ≤ 0,05% of Kvs

The Clorius G1FBN 2-way control valve is designed for regulating hot water, steam and hot oil systems. The G1FBN balanced valve is used in installations where the system pressure necessitates a closing force greater than available in the actuator programme for a standard single-seated valve, and where the leakage rate for a double-seated valve is unacceptable. The Clorius G1FBN 2-way control valve is used in conjunction with our temperature or pressure differential regulators for controlling industrial processes, district or central heating plants or marine installations.

Design

The valve components – spindle, seat, 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 or ANSI B16.5 Class 150. The thread for the actuator connection is G1B ISO 228. The valves are single-seated. The leakage rate is less than 0.05% of the full flow (according to VDI/VDE 2174).

Function

Without an actuator being connected, the valve is held in an open position by means of a spring. With force 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 double-seated 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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