Features Product Standard BS-1868 Testing Standard API-598 Pressure / Class Rating Class-300 Body Material Cum Standard Cast Carbon Steel (ASTM A216 Gr. WCB) Product Description Bolted Cover Type of Seat Renewable Seat Trim 13% Cr. (SS 410) End Details Flanged Ends as per ASME B16.5 Class-300 Raised Face (Drilled) Test Pressure Body: 77 Bar (Hyd.), Seat: 57 Bar (Hyd.), Seat: 7 Bar (Air) Max. Working Temperature 425°C Notes Test Certificate in Form III-C as per IBR is furnished with every supply. Other trim material combinations are available on request.