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Haihao Group Ships ASME B16.48 Line Spade Blinds for Russian Pipeline Project
Haihao Group has finished manufacturing and dispatched ASME B16.48 line spade blinds for a Russian oil & gas pipeline project. These line spade blinds are used for positive isolation of piping systems during maintenance and shutdown operations, fabricated from ASTM A240 Type 316 stainless st ... -
Haihao Group Delivers ASME B16.20 Oval Gaskets to Russian Client
Haihao Group has finished production and shipment of ASME B16.20 oval gasket for a Russian high-pressure piping project. This batch of RTJ type oval gaskets is sized at 8 inch, ring groove number R49, rated for Class 900 service, manufactured from S30900 alloy material. RTJ oval metal gaskets ar ... -
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 ...



























