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Haihao Group Supplies ASME B16.5 A105 Blind Flanges for High-Pressure Pipeline Project in Singapore
As industrial facilities in Southeast Asia continue upgrading their pipeline systems, the demand for high-pressure flange components capable of operating under demanding service conditions is increasing. Recently, Haihao Group completed the production and shipment of a batch of A105 blind flange ... -
Haihao Group Supplies Large-Diameter ASTM A105 Weld Neck Flanges for Indonesia Infrastructure Project
When discussing pipeline systems, attention is often focused on valves, pumps, or pipe materials. However, experienced engineers know that flange selection can have a direct impact on installation efficiency, maintenance costs, and long-term operational reliability. Recently, Haihao Group comple ... -
Haihao Group Ships Large-Diameter ASTM A105N Weld Neck Flanges for Portugal Industrial Pipeline Project
A large-diameter flange may look like a simple connection component, but in critical pipeline systems, it often determines how reliably an entire section of piping performs over years of operation. Recently, Haihao Group completed the production and delivery of a batch of ASTM A105N weld neck fl ... -
Haihao Group Supplies ASTM A350 LF2 Flanges for a Low-Temperature Pipeline Project in Russia
Pipeline projects operating in northern climates face unique engineering challenges. Components must maintain strength, toughness, and sealing performance even when exposed to harsh environmental conditions and demanding operating media. Recently, Haihao Group completed the production and shipme ...


























