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Ductile iron resilient seat gate valve,PN25,DN50-DN500
Design Standard:DIN3352,BS5163
Face to face dimensions: DIN3202 F4,F5,BS5163
Flange:DIN2501,BS EN1092 PN25
Each valve be tested according to test standard: DIN3230
Work Temperature: 0-80°C
Working Pressure:PN25
Size:DN50-DN500
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Materials:
Body: Ductile Iron(GGGG50)
Bonnet: Ductile Iron(GGGG50)
Wedge:Ductile iron coated by NBR or EPDM
Stem:2Cr13
Stem nut:Brass
Gland:Ductile iron or Brass
O ring:NBR
Gasket:NBR
Bonnet Bolts:Steel 8.8+Wax
Handwheel:Cast Iron(GG25) or Ductile iron(GGG50)
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Gate valve PN25,Components and materials
Gate valve PN25,Dimensions
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