904L Check Valve

Product Details:

Specification:
1.Design:API602 
2.Thread ends:ASME B1.20.1 
3.Socket welded ends:ASME B16.11 
4.Flange end:ASME B16.5 
5.Test and inspecification:API598
 
Body Material:Body Materials: Stainless Steel, Alloy Steel, Duplex Steel
 
Pressure rating:PN1.0Mpa~PN420MPa,Class150~2500 
Diameter size:DN15~50,NPS 1/2"~2"

Working medium:Strong corrosive medium,natural gas containing H2S and CO,petrolum.