Butterfly Valves

详情

FEATURES 1. Cast Iron or nodular cast iron Wafer Body 2. Centric butterfly valve with elastomer liner 3. Manual override non-clutch design. Manual operation can be operated without any lever, clutch or brake upon power voltage. 4. Mechanical Stops External Adjustable Limit stops 5. Stall Protection Built-in thermal protection 6. Low power consumption 7. Position feedback 8. Direct/reverse acting 9. ***0mA/***0V/***0V choice *0. Maintenance free *1. Quick and easy installation *2. Accurate valve positioning *3. Indicator Continuous Position Indicator *4. Manual Override Non-clutch design *5. Gear Permanently lubricated and self locking TECHNICAL DATA 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**5 Material Body Cast Iron or nodular cast iron ,Shaft Stainless Steel, Disc Ductile Iron with epoxy coating Liner EPDM Actuator Actuator QF/QM Output torque *0, *6, *5, xxxxx Power supply AC**0V or AC/DC*4V Run time about **0S Operating power 5VA Output angle *0�� 3� ON/OFF control signal 1 wire or 2 wire control Control signal 4~*0mA, 1~5V, or 0(2)~*0V Feedback signal DC0 **0V Installation position Upright to horizontal�No upset� Protection class IP*4 Ambient conditions ZERO *0�xxxxx **5�C xxxxx*0% RH Weight xxxxx2.8kg Material Flame-resistant Abs