Gate Valve- Resillient Seated double flanged type face to face length acc. to ISO 5752 series 14 body, cover and wedge of ductile cast iron GGG 50 acc. to DIN 1693 wedge fully encapsulated with special grade elastomer EPDM rubber with non-rising stem of stainless steel 1.4021 stem nut of gunmetal stem sealing by means of EPDM O-rings all bolts, nuts and washers of stainless steel 304 coating inside and outside of epoxy powder coating 300 microns with handwheel acc. to leaflet 01-2011416