Blind Flange
Blind Flange is a flange without a bore. This flange is used for easy access to lines in which one side of rear part of piping system is closed or reopened after closure and to interior of pipe.
Standard: | ANSI B16.5,ASME B16.47 SERIES A (MSS SP44)/ASME B16.47 SERIES B (API605), AWWA C207 |
Size: | 1/2"- 72" |
Pressure class: | 150LB、 300LB、 600LB、 900LB、 1500LB、 2500LB |
Sealing type: | Flat Face(FF)、 Raised Face (RF)、 Ring Type Joint (RTJ) |
Material: | Carbon steel: ASTM A105/A105N, A350 LF2 |
Stainless steel: ASTM A182 F304/304L、F316/316L、F321 | |
Anti-rust treatment of carbon steel flanges: | anti-rust oil, black paint, electric galvanized, hot-dip galvanized |