What does the flange PL stand for?
PL is the flange welding plate flangeWelding plate flange (PL):Flange for nominal pressure of not more than 2.5MPa steel pipe flange connection. The sealing surface can be made smooth, bump and tenon slot three. Flat welding flange smooth application of the largest. For mild medium conditions, such as low non clean air, low pressure circulating water.Flange classification:1, according to the chemical industry standard (HG): integral flange (IF), (Th), threaded flange welding plate flange (PL), neck flange (WN), hubbed flange (SO), socket welding flange, butt welding (SW) ring loose flange (PJ/SE), flat loose flange ring lining flange (PJ/RJ), (BL (S)), flange (BL).2, according to the petrochemical industry standard (SH): (PT), threaded flange welding flange flange (WN), (SO), socket welding flange (SW), loose flange, flange cover (LJ) (not note).3, according to the mechanical (JB) industry standard: integral flange, welded flange, welding plate flange, butt welding ring loose plate flange, welding ring loose plate flange, flange ring loose plate flange, flange cover.4, according to the national standard (GB): integral flange, threaded flange, flange, butt welding and hubbed flange hubbed socket welding flange, butt welding neck flanges, ring plate flange, butt welding ring loose plate flange, welding ring loose plate flange, flange ring loose plate flange, flange cover.
Flat flange. Whether it is national standard, or "standard", or "machine mark", all such letters are the expression of the letter. It has nothing to do with carbon steel, stainless steel, alloy steel and so on. If you need some flange standards, please feel free to contact me.
PL is the representative of the welding plate flange
