Blind Flange
Specifications
Material: ASTM A-105, RST 37.2, C22.8 carbon steel and ASTM A182 304, F304L,F316, F316L stainless steel
Face: Raised face (RF), flat face (FF) and ring type joint (RTJ) face
Standard: ANSI B16.5, B16.47 Series A (MSS SP44), B16.47Series B (API 605)/ DIN 2527/ BS 4504 CODE105/ JIS 2220 BL/ UNI 6091 – 6096
flange types,。,,。pipe flange,,。