Bids Are Invited For Hiring A Company To Supply ¼ Turn Reducers For Valves, Including Auxiliary Box With Flange For Electric Actuator To Be Used In The Filtering System Of The Water Treatment Plant (Eta)

Reducer For Dn700 Butterfly Valve: Reducer For Dn700 Butterfly Valve: 1/4 Turn Reduction Box For Valves, Including Auxiliary Box With Flange For Electric Actuator; Output Torque = 12351.04 Nm (Reduction 1/242.72); Input Torque = 138, 60 Nm (Compatible With Existing Electric Actuator);Measurements According To Iso 5211; Valve Outlet Base (F25 Smooth); Flange For Actuator (F10); Shaft Diameter 80Mm; Reduction Box Specification: Worm Crown Type, Spindle Made Of Alloy Steel, Crown Made Of Nodular Cast Iron, Permanent Lubrication System, Self-Locking And Flexible Mounting Position; Minimum Degree Of Protection: Ip 54; Actuator Coupling Flange With Valve, According To Iso 5211 With Fitting; External/Continuous Mechanical Position Indicator For Open/Closed Valve Situation; The Assembly Will Be Directly With The Valve Shaft, Without Adaptations, Arms, Intermediate Couplings Or Similar; The Shafts Will Be Supported On Rolling Bearings, Appropriately Sized Based On The Static Loading Capacity Of The Bearing; The Flange For Mounting The Reducer/Actuator Will Comply With Iso 5211. The Valve Has A Keyed Round Shaft End; Activation Torque: For Sizing Of The Activation Torque, It Will Be Considered 1.1 Times The Nominal Working Pressure Class Of The Specified Valve. The Reducer Will Be Designed And Built For A Torque Value Of At Least 1.5 Times The Calculated Torque; Board Data Of The Electric Actuator To Be Connected To This Reducer: Maximum Torque: 60Nm; Working Torque: 50Nm., Reducer For Butterfly Valve Dn600: 1/4 Turn Reduction Box For Valves, Including Auxiliary Box With Flange For Electric Actuator; Output Torque = 8439, 75 Nm (Reduction 1/163, 17); Input Torque = 138, 60 Nm (Compatible With Existing Electric Actuator); Measures According To Iso 5211; Valve Outlet Base (F25 Smooth); Flange For Actuator (F10); 55Mm Square Shaft; Reduction Box Specification: Worm Crown Type, According To Iso 5211 With Fitting; External/Mechanical Continuous Position Indicator For Open/Closed Valve Situation; The Assembly Will Be Directly With The Valve Shaft, Sized Appropriately Based On The Static Loading Capacity Of The Bearing; The Flange For Mounting The Reducer/Actuator Will Comply With Iso 5211. The Valve Has A Keyed Round Shaft End; Activation Torque: For Sizing The Activation Torque, 1.5 Times The Calculated Torque Will Be Considered; Board Data Of The Electric Actuator To Be Connected To This Reducer: Maximum Torque: 60Nm; Working Torque: 50Nm, Reducers For Dn400 Butterfly Valve: 1/4 Turn Reduction Box For Valves, Including Auxiliary Box With Flange For Electric Actuator; Output Torque = 3272.03 Nm (Reduction 1/99.32); Input Torque = 81 Nm (Compatible With Existing Electric Actuator); Measures According To Iso 5211; Valve Outlet Base (F14 Smooth); Flange For Actuator (F10); 36Mm Square Shaft; Gearbox Specification: Worm Crown Type, Sized Appropriately Based On The Static Loading Capacity Of The Bearing; The Flange For Mounting The Reducer/Actuator Will Comply With Iso 5211. The Valve Has A Square Shaft Tip; Activation Torque: 1 Will Be Considered For Sizing The Activation Torque, 09/06/2024