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PGS21 Bourdon Tube Pressure Gauge

PGS21 Bourdon Tube Pressure Gauge

3349

The WIKA PGS21 switchGAUGE is a combination of a bourdon tube pressure gauge and a pressure switch. It offers the usual analogue display, which can be read on-site irrespective of the power supply, and in addition the possibility to switch a potential-free electrical signal. One or two fixed switch points are factory-set to customer requirements, between 10 and 90 % of the scale range, and indicated on the dial by red mark pointers. Depending on the pressure gauge's pointer position, the circuit will be opened or closed. Thus the switchGAUGE can be used actively for process monitoring, for example, to control the level of a gas cylinder or a hydraulic circuit. The switchGAUGE is available as standard in scale ranges from 0 … 2.5 to 0 … 400 bar with an accuracy class of 2.5 and a 1 m round cable for the electrical connection. Through various options (e.g. other scale ranges, higher accuracy class, different cable lengths, plug connection) the pressure measuring instrument can be matched precisely to the customer-specific requirements of each application. The instrument has been designed in accordance with EN 837-1 and fulfils all the requirements within it. Furthermore, it features increased ingress protection of IP 65 and can, therefore, be offered with optional liquid filling to increase its vibration resistance.
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H2F 2-way Control Valve

H2F 2-way Control Valve

9021

The Clorius H2F 2-way control valve is designed for regulating hot water, steam and hot oil systems. The double-seated H2F control 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 valves are 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, 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). 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 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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G3F 3-way Control Valve

G3F 3-way Control Valve

9075

The Clorius G3F 3-way control valve is designed for hot water and hot oil systems and can be installed in pipe systems as mixing or diverting valves. The G3F control valve is used in conjunction with our temperature regulators for controlling industrial processes, district or central heating plants or marine installations. The 3-way control 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 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). Without an actuator being installed, connection A-AB is fully open and connection B-AB completely closed, by means of 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 B-AB is fully open and connection A-AB completely closed. The valve characteristics are as follows: Port A-AB and AB-A: quadratic Port B-AB and AB-B: almost linear These characteristics ensure constant total flow under almost all pressure conditions and optimum circulation in the individual circuits.
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M3F 3-way Control Valve

M3F 3-way Control Valve

9091

The Clorius M3F 3-way control valves are designed for lubricants, hot water and other liquids and can be installed in pipe systems as mixing or diverting valves. The M3F control valve is used in conjunction with temperature regulators for controlling industrial processes, district or central heating plants or marine installations. The valve components – seats, cone and stem are made of stainless steel. The valve body is made of cast iron EN-GJS-400 -15 with flanges drilled according to EN 1092-2 PN 16. The thread for the actuator connection is G1B ISO 228. The valves have two balanced single seats. The leakage rate is less than 0.5 % of the full flow (according to VDI/VDE 2174). Without an actuator being installed, connection A-AB is fully open and the connection B-AB completely closed by means of 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 pres sed to the bottom, connection B-AB is fully open and connection A-AB completely closed. The valve characteristics are as follows: Port A-AB and AB-A: quadratic Port B-AB and AB-B: almost linear These characteristics ensure constant total flow under almost all pressure conditions and optimum circulation in the individual circuits.
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G3FM-TR 3-way Control Valve

G3FM-TR 3-way Control Valve

9113

The Clorius G3FM-TR 3-way control valve with a slide for a quarter-turn operation designed for regulating freshwater, lubricating oil and other liquid media. The G3FM-TR valve is designed for use in conjunction with industrial processes, district heating and marine installations with large water or lubricating oil volumes: Engine Jacket Cooling Water System Lubricating Oil Cooling Central Cooling Water System, etc. The valves are designed for use in conjunction with valve motor type CAR to handle manual operation or use in conjunction with a pneumatic actuator. The valve body and the valve slide are made of nodular cast iron. The valve flanges are drilled according to EN 1092-2 (JIS B 2210 option). The slide is firmly connected with the motor spindle. When the slide is in the one outer position by turning the spindle, connection A-AB is fully open and connection B-AB is fully closed. In the other outer position, connection A-AB is fully closed, and connection B-AB is fully open. In the intermediate positions, the opening degrees change proportionally. The valve has a small tolerance between the body and slide. To minimize the leakage, an O-ring is mounted in a groove on the slide.
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