Type: Swing Check valve 

Material:  CT.20

Seat sealing: metal 13Cr

Pressure: PN100

Size:DN400

Connection: BW

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

GOST Swing check valve main model

DN 50-400 PN1,6 MPa--19(с,лс,нж)76нж

DN 50-400 PN4.0 MPa--19(с,лс,нж)53нж 

GOST Piston check valve main model

DN 50-400 PN1,6 MPa--16(с,лс,нж)10нж(п)

DN 50-400 PN2.5 MPa--16(с,лс,нж)11нж(п) 

DN 50-400 PN4.0 MPa--16(с,лс,нж)13нж(п) 

Application Standard:

Design：GOST/DIN/GB

Face-to-face: GOST/DIN/GB/EN 558-1

Flanged Ends:DIN2543.BS EN1092-1

Inspection Test :GOST

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,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.

Related product Tag: 

GOST swing check valve

GOST piston check valve

Stainless steel swing check valve 

321 Swing check valve

затвор обратный поворотный 19с76нж DN 150 PN 16 ст.25Л

затвор обратный поворотный 19нж76нж DN 100 PN 40 ст.12Х18Н9ТЛ

затвор обратный поворотный 19лс76нж DN 80 PN 16 ст.20ГЛ