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NRS Resilient Seat Gate Valve
Summary:
Flat bottom seat ring integral with the body,inside and outside epoxy resin coating,wedge wholly bonded with rubber, three “o” ring sealing,these all insure excellent corrosion protection and reliable sealing capability.Upon request,the gate valves can be actuated by operating lever,hand wheel,electrical actuator and so on.
Unique Design:
Compact design:one-piece bonnet,non-rising stem.
Stem nut is separated from wedge,no seizing-up.
Flat bottom seat ring insures no ded space.
O ring design for stem back sealing leads to maintenance-free.
Excellent corrosion protection:
Inside epoxy resin coating or vitreous enamel(upon request),outside epoxy resin coating.
Socket head cap bolts,sealed with glue on the top.
Reliable health nature:
Epoxy resin coating complies with the GB/T17219.
Wedge bonded with rubber for the health inspection.
Trims are made of stainless steel or bronze.
Scope of application:
Potable water supply,industrial fields.
Design standard:BS5163
Flange:EN1092
Face to face dimensios:BS5163
Test standard:BS5163
Work temperature: 80 120
NUM Name Meterial
1 Body Ductile Iron
2 Wedge Ductile Iron+EPDM
3 Stem nut Brass
4 Stem Stainless steel
5 Middle end seat ring NBR
6 Bonnet Ductile Iron
7 Back seat Gasket Nilon 1010
8 "O" Ring NBR
9 Gland Ductile Iron
10 Handwheel Cast Iron
NRS Resilient Seat Gate Valve
