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Cold-Climate Sealing Security: Haihao Group Delivers Class 300 A350 LF2 LM Flanges to Russia
Operating processing facilities in northern Eurasia requires specialized piping components engineered to handle severe sub-zero thermal stress without compromise. Large pressure fluctuations combined with arctic ambient conditions place heavy demands on flange sealing faces and weld hub transiti ... -
Haihao Group Ships ASME B16.5 150CL Flanges to Kenya Piping Project
A full set of ASME B16.5 150CL flanges has left Haihao Group’s workshop, ready for delivery to a piping project in Kenya. This order combines multiple flange types and two material grades, tailored to different pipe connection points on the site. The project team selected ASME B16.5 150CL flange ... -
High-Yield Line Integrity: Haihao Group Supplies ASTM A694 F65 Flanges to the UAE
Operating high-pressure gas trunklines and processing manifolds across the Middle East requires flanged connections that handle extreme mechanical loads without risk of environmental stress cracking. When linking high-yield pipeline steel with process skids, flanged joints must balance structura ... -
High-Pressure Positive Isolation: Haihao Group Dispatches Duplex Stainless Steel Spectacle Blinds to Singapore
Operating high-pressure processing lines in offshore marine skids and subsea tie-ins requires positive fluid isolation hardware that guarantees absolute leak-tight sealing during operational maintenance. In severe-duty environments, standard carbon steel or basic austenitic isolation plates risk ...
Haihao pipe fitting department is the steel pipe fitting division of Hebei Haihao High Pressure Flange Pipe Fitting Group Co.,Ltd, we manufacture ,supply and serve our clients all over the world in the steel pipe fittings field, especially the butt welding pipe fittings.
Hebei Haihao pipe fitting plant is established in 1988.At the beginning , we start production from carbon steel elbows ,then steel pipe tees years later.In the 21 century, we establish the new factory to produce the stainless steel pipe fittings. Now our pipe fittings plants can manufacture most kinds of steel pipe fittings used in industry pipeline.
