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high quality blind flange

31

high quality blind flange

The blind plate is mainly used to completely isolate the production medium to prevent production from being affected or even accidents caused by the shut-off valve being lax. The blind plate should be installed in the part that requires isolation, such as the equipment connection port, the front and rear of the shut-off valve, or between two flanges. It is often recommended to use the 8-shaped blind plate; plate (circular blind plate).       Material     Carbon steel ASTM A105, A350 LF1, LF2, LF3, LF6, CL1/CL2,; A694 F52, F60, F65, F70; A516 Gr. 60, 70; BS-EN 10222-2 P245GH, P280GH; EN10222-4 P355NH, P355QH; EN10273 P250GH, P265GH; DIN 17243 C22.8; VD-TUEV350/3 C21; GB/T 1591 Q345B, Q420B; NB/T 47008 16Mn,20#; BS 10250-2 S235JRG2;  …