Flat bottom seat ring integral with the body,inside and outside epoxy resin coating, wedge wholly bonded with ruber,

 Resilient Seated Gate Valve F4

A. Design Standard  DIN1171

B.  Face to Face Dimension  DIN558-1

 C.  Flange  DIN 1092-2

D.  Body/Bonnet/Wedge iron core  Ductile Iron QT500-7

E.   2Cr13 Stainless Steel Stem,Stem Nut: HPb59-3

F.  The Closing Bolts of A283grC , Steel plated with Zinc

G.  Inside and Outside Electrostatic Epoxy Resin Powder,Coating with Minimum Thickness of 250μm, Ral-5015

H.  Metal the head of the bolts protected by plastic

 I.  The Wedge Wholly Bonded with EPDM /NBR Rubber

J.  Brand UF

K. Standard type with stamping handwheel