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Caoyang, Shanghai, Shanghai
The Actuated Butterfly Valves are suitable for heating and cooling applications. They can also be employed for industrial applications, general services and water treatment. The VB series is equipped with standard On/Off or modulating (4~*0mA, ) control quarter-turn electric actuator. FEATURES 1. Cast Iron or nodular cast iron Wafer Body 2. Centric butterfly valve with elastomer liner 3. For On/Off or Modulating Control 4. Manual override non-clutch design. Manual operation can be operated without any lever, clutch or brake upon power voltage. 5. Visual mechanical position indicator for accurate visual reference of valve position 6. Anti-condensation heater and 2 aux. limit switches on standard model 7. Worm Gear Permanently lubricated and self locking 8. Stall Protection Built-in thermal protection VALVE Flow media Cold and hot water, water with max. *0% volume of glycol Temperature of medium **0?xxxxx ***0?C Rated pressure ***0 / ***0kPa Leakage rate Air bubble-tight (Bo 1, DIN ***0) Size DN***-DN**0 Material Body Cast Iron or nodular cast iron , Shaft Stainless Steel, Disc Ductile Iron with epoxy coating Liner EPDM Actuator Actuator QCF/QCM Output torque xxxxx Power supply AC**0V or AC/DC*4V Run time *5S~, *0S Operating power *0~**0VA Output angle *0?? 3? ON/OFF control signal 1 wire or 2 wire control Modulating control signal 4~*0mA Feedback signal 4~*0mA Installation position Upright to horizontalï&frac*4;ˆNo upsetï&frac*4;‰ Protection class IP*6 Ambient conditions - *0?C .to *5?C xxxxx*0% RH Weight 1.5~*0kg Material Steel. Aluminium Alloy
