ductile iron big size gate valve

Features:

1) Product information: the gate valves supplied are mainly used for adjusting water, steam, oil, gas, and natural gas in chemical industries

2) Standards:  BS5163, BS5150 AWWA, DIN3352 F4/F5,

3) Connection type: flanged type, push-on type, mechanical joint type, plain ends type

4) Material:

  a) Body : Ductile Iron GGG500-7

  b) Wedge : D/I , core fully vulcanized with NBR or EPDM rubber

  c) Wedge Nut : Brass

  d) Stem : Stainless steel , BS970 431S29 or DIN17440x20Cr13

  e) Gasket : NBR

  f) Bonnet : GGG500-7

  g) O ring : NBR

  h) Washer : Carbon steel or Stainless steel .

5) Size: 50-400mm/2" - 16"

6) Pressure grade: PN10, PN16

7) Coating:

    a) Fusion-bonded epoxy 200-250 microns inside and out side

b) Coating as per customers' requirement

8) Package : carton for each item , wooden boxes outside