Flange Type

Flange type code

Slip-on Welding Flange

PL

Slip-on Neck Flange

SO

Welding neck flange

WN

Integral Flange

IF

Socket Weld Flange .

SW

Threaded Flange

Th

Welding Neck Collar Loose Flange

PJ/SE

Welding-on Collar Loose Flange

PJ/PR

Blind Flange

BL

Lining Flange

BL(S)