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ASTM A105 ASME B16.5 RF Welding Neck Flange Shipment to Venezuela Pipeline Project
For oil and gas pipeline assembly in Venezuela, welding neck flanges remain a reliable choice for high-integrity permanent flange connections. Haihao Group has finished manufacturing, inspection and shipment of ASTM A105 ASME B16.5 RF welding neck flange for a Venezuelan client. This batch cover ... -
SA105N ASME B16.5 & B16.47A RF Flange Package Shipped to Indonesia Energy Project
Large-scale energy and pipeline projects in Indonesia often require mixed sets of welding neck, long welding neck and blind flanges with custom hub lengths and varied wall schedules. Haihao Group has completed production and shipment of SA105N ASME RF flange package for an Indonesian client, cov ... -
EN1092-1 A105 PN16 Flange Package Shipped to Vietnamese Industrial Project
For process piping systems built to European standards in Vietnam, full sets of matching plate and blank flanges are often required for construction, pressure testing and future isolation. Haihao Group has completed production and shipment of a full range of EN1092-1 A105 PN16 flange for a Vietn ... -
A105N RTJ Weld Neck Flanges Delivered to Portuguese Industrial Project
High-pressure process and utility piping systems across Portugal demand robust, precision-sealed flange connections to maintain leak-free integrity under sustained operating pressures. Haihao Group has completed production and dispatch of A105N RTJ weld neck flange units for a Portuguese industr ...



























