These flanges are developed for use in small diameter, high
pressure lines. Internally welded socket type flanges are typically
used in chemical process, hydraulic lines and steam distribution
lines. They have a counterbore from the hub side slightly larger
than the outside diameter of the pipe.
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.