Ductile iron resilient seat gate valve,hand wheel operation,ductile iron gland
Body &bonnet:Ductile iron(GGG50)
Stem:2Cr13
Stem nut:Ductile iron(GGG50)/Brass
Gasket:NBR/EPDM
O ring:NBR
Gland:Ductile iron(GGG50)
Bolts:Steel 8.8 +Wax
Handwheel:Ductile iron(GGG50)
Coating:fused bond epoxy powder(RAL5017)
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