Raised Face Through Bolt End.
Raised Face Flanged End
It's #150.
75 psig For pipe flanges the class rating is the pressure rating for the flange, in pounds per square inch - gauge (psig).
Rating Pending.
Pressure Nominal 40; 40 bar pressure rating for European flange
The United States does not have a BE rating.
The term"counter flange" is used in Europe to refer to a mating flange to make up a flange pair. For example a "counter flange" attached to a pipe must have the same bolt circle diameter, number of bolts, and size of bolts and pressure rating at the equipment nozzle flange provided by an equipment manufacturer.
Face Of Flange A flange has either of the two types of faces: 1. Raised face 2. Flat face The F.O.F is used to know the accurate dimension of the flange in order to avoid the minute errors in measurement in case of vertical or horzontal pipe linesFace of Flange
restricted
RP stand for Rating Pending.
General