F4 series Gate valve

Name：	DIN F4 series Gate valve
DN & PN：	DN40-DN1000&PN6-PN16
Main Parameters：	1 – Body/Bonnet/Wedge :Cast Steel(1.0619) –Stainless Steel(1.4308;1.4408) – Alloy Steel 1.7335(WC6) 2 - Stem : X20Cr13 or 1.4021 –Stainless Steel(1.4308;1.4408) 4 - Seat : 13Cr – 18Cr –Stellite  Face to Face according to EN558-1 Series 14 (DIN3202 F4eries) Flanges to EN1092-1 and GOST12815 GOST12819;