gate valves

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: AWWA, DIN3352 F4/F5, BS5163, BS5150
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 0.2-0.5mm inside and out side
b) Coating as per customers' requirement 
8) package : carton for each item , wooden boxes outside .