15th finance tied 2025-26 2nd instalment supply and fixing of 3 nos flow control valve and electromagnetic flow meter at oht in gingee town panchayat , supply and delivery of di d/f gate sluice valves (soft seated) resilient seated soft sealing gate valves(sluice valves) with body bonnet of ductile cast iron ofgrade ggg 40 or equivalent grade,wedge fully rubber lined with epdm replaceable spindle nut without gland packing and with 3 oring protection on the shaft and seals of nbr and the valves should be of vacuum tight and 100% leak proof with face to face dimensions as per bs 5163-89/isi 4846-2000/din 3202 f4. all the valves should be with electrostatic powder coating both inside and out side with pocket less straight through body passage. all the valves are to be compatible for buried application withpressure rating pn 10/16 -100mm sluice valve , 150mm sluice valve , supply and delivery of di d/f diaphragm type own medium controlled altitude control and flow control valve with cast body of ductile iron grade ggg-40 or equivalent grade or as per is 3896-part-2-1985 customized control cylinder for linear control behaviour or equivalent, performed diaphragm and pull out safe profile sealing ring of epdm, threaded inserts (corfix - to prevent the coating from coming off in the connections area as well as corrosion and incrustations in the control circuit) or equivalent. flange connection dimensions according to en 1092, part 2/ iso 7005[din]/ is 1538, all parts (epoxy coating, and diaphragm) in contact with medium are as per ktw and dvgw certified (harmless)/wras & nsf approved. the epdm rubber & epoxy coating (ep-p) should be approved by w270.(ep-p)/ wras & nsf.”- 100mm flow control valve , 150mm flow control valve , electromagnetic flow meter shall be a velocity sensing electromagnetic type, microprocessor based signal converter, sealed housing, flanged tube meter for 1.0 mpa working pressure, manufactured to highest standard available for mag-meters, equipped with