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ASME B16.5 & B16.48 duplex and carbon steel flange package for Pakistan gas project
Haihao Group has completed fabrication, inspection and shipment of a mixed flange and spectacle blind set for our Pakistan client. This supply bundle combines weld neck RTJ flange, NACE compliant RJ spectacle blind and RF paddle blind, built to match sour gas and general piping isolation require ... -
ASME B16.5 UNS N06625 Inconel 625 Flange Set for Singapore Piping Project
Haihao Group has completed manufacturing, full non-destructive examination and shipment of a mixed batch of ASME B16.5 UNS N06625 Inconel 625 flanges for our Singapore client, covering blind flanges, socket weld flanges and weld neck flanges across multiple pressure classes and sizes. This ASME ... -
Custom ASME B16.48 Spectacle Blinds Delivered for Singapore Process Piping
Haihao Group has finished machining, weld inspection and marking for two custom ASME B16.48 spectacle blinds, now packed for dispatch to our Singapore-based process piping client. This pair of figure-8 blinds combines stainless steel and carbon steel grades, with bespoke edge radii, fully welded ... -
Delivery of ASTM A694 F65 WNRF Flange for UAE High-Pressure Pipeline
Haihao Group has completed forging, heat treatment and full mechanical verification of a 14 inch weld neck raised face flange, ready for dispatch to our UAE oil and gas client. This ASTM A694 F65 WNRF flange is built to ASME B16.5, Class 600, SCH STD / SCH30, and specified with strict low-temper ...

























