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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.