These flanges are manufactured without a bore and used as closures
or seals for the ends of piping systems. They are also used to
provide access covers for pressure vessels. Blind flanges are
provided with or without a hub, depending on customer requirements.
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.