What do you mean by RF,RJ,FF,FM,RTJ for several connection modes of valve flange

Time:2024-04-11

Explanation of several connection modes of valve flange:

valve flange sealing surface form:

Plane (FF);

Rugs (RF);

Convex (M);

Concave (F);

Concave-convex surface (MF);

Tenon surface (T) groove surface (G);

Tenon and groove surface (TG);

Ring connection surface (RJ).

RTJ means that the flange sealing form of the check valve is the ring connection tenon surface.

Keyword: What do you mean by RF,RJ,FF,FM,RTJ for several connection modes of valve flange