AddTime：24-12-23 Read：
DIN F7 Gate Valve
1-- body / bonnet / shutter: 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 - sealing surface: 13Cr - 18Cr -Stellite
Structural length according to EN558-1 Series 14 (DIN3202 F4eries)
Flange dimensions according to EN1092-1 and GOST12815; welded connections according to EN12627; OCT 34.10.748-97
