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DN80...DN300, 1.5''...8.0'' - DN100__DN125__DN150__DN20...DN80
4 items
G2FR (Reverse Acting) 2-way Control Valve
8984
The Clorius G2FR (reverse acting) 2-way control valve is mainly intended to control cooling systems. The G2FR control valve is used in conjunction with temperature- or pressure differential regulators. As the reverse acting valve is held in a closed position using 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. See datasheet to find 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 nodular cast iron EN-GJS-400-15 with flanges drilled according to EN 1092-2. The connection thread for the actuator is G1B ISO 228. The valves are double-seated and designed for tight closure. The leakage rate is less than 0.5% of the full flow (according to VDI/VDE 2174). Function Reverse Acting Without an actuator being connected, the valve is held in a closed position using a spring. With pressure on the spindle, the valve opens. In connection with our actuators, the valves act as œcooling 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.
- USD
G3FA 3-way Control Valve
9067
The Clorius G3FA 3-way control valve is designed for regulating freshwater, lubricating oil and other liquid media. The G3FA 3-way control valve is designed for use in conjunction with large industrial processes, district heating and marine installations, e.g. cooling of main and auxiliary engines. Is used in conjunction with Clorius valve motor type AVM/AVF 234 or Clorius pneumatic actuators. Design The valve components (seats and cone) are made of alubronze, the spindle of stainless steel. The valve body is made of nodular cast iron and the valve flanges are drilled according to EN 1092-2 (JIS B 2210 option). Tight between port 1(AB) og 3(B) is optional. Function The valve cone is firmly connected with the motor spindle. When the valve cone is in the one extreme position by draw on the spindle, connection A-AB is kept fully open and connection B-AB is fully closed. In the other extreme position connection A-AB is fully closed and connection B-AB is fully open. In the intermediate positions, the opening degrees change proportionally.
- USD
SVX Hazardous Area Shut Off Valve
9280
The Chalwyn SVX hazardous area, flameproof series of butterfly air intake shutoff valves are ATEX approved for Zone 1, Gas Group IIB, T4 (135°C) or Zone 21 hazardous area applications. The SVX flameproof energize to open valve is designed with a œfail-safe actuation. When power is applied to the solenoid, the valve opens and is held open as long as power is supplied. When power is cut off for any reason, such as the detection of an engine over speed condition or other unsafe engine operating conditions, the valve will close. Features and Benefits ATEX Zone 1, Group IIB, T4 (135°C) or Zone 21 approved Externally switched solenoid Automatic closure on the loss of power Slim-fit 3, 5, and 8 (76mm, 127mm, and 203mm) valve body Basic flange mount with hose adaptors available (1½ to 8 | 38 to 203mm) Valve bodies and discs are PTFE coated rugged anodized aluminium The shaft and mechanisms are stainless steel
- USD
PVX Pneumatic Spring Return Air Shut Off Valve
9286
The Chalwyn PVX pneumatic spring return butterfly valve uses a spring return rotary actuator. It is available in two basic versions: Air pressure to open / spring return close on loss of air pressure (failsafe) Air pressure to close / spring return open on loss of air pressure Both versions are designed to work with direct pressure operation in either automatic or manual systems. Features For use in automatic or manual shutdown systems Operating pressure range 43.5 to 116psig (3 to 8bar) Slim-fit 3, 5, and 8 (76mm, 127mm, and 203mm) valve body Basic flange mount with hose adaptors available (1½ to 8 | 38 to 203mm) Valve bodies and discs are PTFE coated hard-anodized aluminium The shaft and mechanisms are stainless steel
- USD
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