This group of flanges is designed with a hub on the backside
tapering to a diameter that will match the pipe to which it will be
welded. These flanges are bored to match the inside diameter of the
mating pipe so there will be no restriction of product flow.
Cangzhou Hangsheng Flange & Pipeline Equipment Co.,Ltd has been
a international manufacturer of flanges and precision machining in
carbon steel, stainless steel and the alloys since 2002. We also
manufacture DIN/JIS/BS (Metric) flanges, orifice unions, galvanized
flanges, long weld necks, pad flanges / studding outlets, special
facings and custom flanges.
Orifice flanges may be provided in one of three types of flanges:
Welding Neck, Slip-On and Threaded. Each flange is provided with a
pair of pressure taps for measurement of pressure drop in the flow
through the orifice plate.