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Clorius Controls

G3F Soft Seat 3-way Control Valve

The Clorius G3F Soft Seat 3-way control valve is designed for regulating water, lubricating oil and other liquid media. It can be mounted in the pipe system as either mixing or diverting valves. However, when mounting as a diverting valve, the pressure drop is increased, compared with mounting as a mixing valve. See “Important Note” in the datasheet. The 3-way control valve is used in conjunction with Clorius temperature regulators for controlling industrial processes, district and central heating plants and marine installations.

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Materials Nodular cast iron GGG40 (EN-GJS-400-15)
Min. Temperature -10ºC
Max. Temperature 160ºC
Connection ANSI flange
Size DN80, DN100, DN125, DN150
Nominal pressure PN 16

The Clorius G3F Soft Seat 3-way control valve is designed for regulating water, lubricating oil and other liquid media. It can be mounted in the pipe system as either mixing or diverting valves. However, when mounting as a diverting valve, the pressure drop is increased, compared with mounting as a mixing valve*. The 3-way control valve is used in conjunction with Clorius temperature regulators for controlling industrial processes, district and central heating plants and marine installations.

Design

The valve components – seats and cone – are made of alubronze, the spindle is 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 connection thread for the actuator is G1B ISO 228. The valves have two balanced single seats and are designed for tight closure. The leakage rate is less than 0.5% of the full flow (according to VDI/VDE 2174). [Tight between port 1(AB) og 3(B) is optional.]

Function

Without an actuator being installed, connection 2-1 is fully open, and connection 3-1 completely closed using a spring. By increasing pressure on the spindle, the opening of the ports changes proportionally to the travel of the spindle, and when the spindle is pressed to the bottom, connection 3-1 is fully open and connection 2-1 completely closed.

 

* In case the valves are applied as diverting valves, the pressure drop will increase by 35% and the kvs-value will decrease by 14% as against mixing valves.

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Get in touch with Bart our Clorius specialist

Bart

Bart de Haan

Managing Director

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