Name of Work:- DG - PATALGANGA INDUSTRIAL AREA...M & R to OPTL WSS…. Strengthening of valve system at HSR.
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Sub Estimate -11. M & R to OPTL WSS…. Strengthening of valve system at HSR.1.1. Supplying, erecting, testing and commissioning of 700 mm dia DI D/F non-rising spindle soft seated gland less Gate Valves with body and bonnet of Ductile cast iron of grade GGG-40, wedge with fully encapsufated EPDM rubber (approved for drinking water) and seals of NBR. The valves should be with replaceable stem nut and replaceable sliding shoes. Valve stems shall be of single piece thread rolled compatible ype. Valve shall for buried have 3 \\"O\\" rings of NBR for stem sealing. Gate valve shall be applications without valve chamber. Face-to-face dimensions 2/1S as per BS 5163-89/IS 14846-PD/EN 558 F4 and flange connections as per EN1092- 1538. Maximum Valve operating torque should be at least 40% less than the torque as stated in the standard EN 1074. Electrostatic epoxy powder/liquid coating (EP-P) inside and outside color blue RAL 5005 with minimum coating thickness of 250 microns. The EPDM rubber & Epoxy Coating should be potable water certified.
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2. Rebate for dismantled /rusted damaged Butterfly valve Please Enable Macros to View BoQ information
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