Application Standard:
Design and Manufacture: GOST/GB/DIN/ANSI
Face-to-Face Dimension: GOST3706-93, GOST3326-86
Flange Ends:GOST12815, GOST33259
Inspection Test :ISO5208/GOST
Certificate:EN 10204 type 3.1
Markings: GOST

Features:
Carbon Steel for temperature -40 ~450℃:Сталь 20, 20Л, 25Л 
Low Carbon Steel for temperature -60 ~450℃: 09Г2С, 20ГЛ
Stainless Steel for temperature -60 ~565℃:12Х18Н9ТЛ
Stainless Steel for temperature -60 ~565℃:12Х18Н12М3ТЛ,10Х17Н13М2Т
 Задвижки клиновые
DN 15-400 PN1,6 MPa--1530(с,лс,нж)41нж, 30(с,лс,нж)541нж, 30(с,лс,нж)941нж
DN 15-400 PN2.5 MPa--30(с,лс,нж)64нж, 30(с,лс,нж)564нж, 30(с,лс,нж)964нж
DN 15-400 PN4.0 MPa--30(с,лс,нж)15нж, 30(с,лс,нж)515нж, 30(с,лс,нж)915нж
DN 15-400 PN6.3 MPa--30(с,лс,нж)76нж, 30(с,лс,нж)576нж, 30(с,лс,нж)976нж
DN 15-50 PN16.0 MPa--31(с,лс,нж)45нж

Materials: carbon steel, alloy steel, stainless steel, duplex steel,bronze, Inconel,Hastelloy,Monel, Incoloy etc.
Carbon Steel A105N,F11,F22,F5,F9 or WCB,WCC, WC6,WC9,C5, C12 etc.
Low Carbon Steel LF2 or LCB,LC1,LCC etc.
Stainless Steel F304,F316, F316L,F347 or CF8, CF8M, CF3M,CF8C etc.
Duplex Steel such as F51,F53, F55 or 4A,5A,6A, CD3MN, CD2MWCuN, CN7M (Alloy 20) etc.
Bronze C95800, RG5 etc.
Other special materials like Inconel 625 could be supplied by request.