Resilient seated Ductile Iron Gate valves as per IS:14846 for purified drinking water. The material constructions of body bonnet of resistant brass with fully encapsulated by vulcanized EPDM chlorine resistant rubber. DN500 mm 6 PCS. Under this item the agency has to supply the Ductile iron resilient seate Show More...
Resilient seated Ductile Iron Gate valves as per IS:14846 for purified drinking water. The material constructions of body bonnet of resistant brass with fully encapsulated by vulcanized EPDM chlorine resistant rubber. DN500 mm 6 PCS. Under this item the agency has to supply the Ductile iron resilient seated gland less, pocketless, 100% tight shut of gate valve having following technical requirement. 1) The valves shall be designed & manufactured according to standard of BS:5163-86 type-B. The same shall be conforming to IS:14846-2000 PD. 2) Face to face dimension is according to standard IS:14846- 2000 PD. 3) The flange of the gate valve shall be according to IS:1538- 93 (Table 6) & IS:4504. 4) Housing, Bonnet, Body & wedge in duclite iron giving exnt strength. 5) Wedge shall be fully encapsulate with EPDM or Nitrite resulting in no corrosion & giving 100% tight closure. 6) The valve shall bear full clear bore for minimization of head loss. 7) Bottom shall be straight for unobstraution water way. 8) The valve shall be prov Housing 'O' ring sealing system. 9) Valves shall be of Zero leakage & with low operating torque for a lifetime. 10) The valve bonnet shall be fixed to body with undersuck bolts. 11) All the valves ductile iron components shall be coated with epoxy powder electro statically to the pre heated ductile iron components. 12) The valve shall be sustainable to 1 PN & shall be for easy maintenance. 13) The external valve components such as fasteness etc shall be corrosion resistant & shall be of SS 316. 14) The flange drilling STD & dimension shall confirm to IS:1538 15) Duclite iron shall be of Grade GGG 40 SG-400 12 or equivalent grade as per IS:3896 Part 2 1985.