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Shijiazhuang Bang dong Pipeline Technology Co,Ltd.
knowdge of Flanged all-welded ball valve
Flanged all-welded ball valve steel is a good energy-saving environmentally friendly products, which features the valve when the internal leakage of leakage can be achieved "zero leakage" state, can...
Bangdong flange manufacture process and common material
A weld neck flange (also known as a high-hub flange and tapered hub flange) is a type of flange. The Welding neck flanges is normally referred to as the high hub flange. It is designed to transfer...
integral pipe flange
Integral Flange(Long Weld Neck Flange) A Integral Flange which is also called Long weld neck flange (LWN flange), is used for high pressure situations, integral hub weld neck flanges are used and for...
Reducing flange product features
Features: Diameter flange anti-corrosion, acid and alkali, long life, etc., the price is reasonable, the surface is smooth, acid and alkali-resistant high temperature, the price is reasonable,...