Orifice Flanges

Description:
A forged orifice flange has a hole drilled through the face of the flange perpendicular to the pipe, and utilize screws attached to the flange separate it to make inspection and replacement of the orifice plate easy and convenient. It is used to measure the rate of material flow through the piping system.

Standard:
ANSI B16.5, ANSI B16.47, ANSI B16.36, ANSI B16.48, MSS SP44, API 6A, BS4504, BS10, EN1092, JIS, UNI, DIN.

Material:
Carbon Steel: ASTM A105, 20 #, Q235, 16Mn
Stainless Steel: ASTM A182 F304, 304L, F316, 316L
Alloy Steel: ASTM A182 F1, F9, F11, F91, A182F12, A182F11, 12Cr1MoV, A335P22

Size:
3/8 "to 60"
DN10 ~ DN4000

Pressure Class:
Inter-American System: Class 150, Class 300, Class 400, Class 600, Class 900, Class 1500, and Class 2500

Sealing Surface:
Flat face, raised face, ring joint face, lap-joint face, large male-female, small male-female, large tongue and groove, small tongue and groove.