A.R. Hydraulic Fittings Pvt. Ltd. Manufactures Weld Neck Flat Face Flanges. A.R. Hydraulic Fittings Pvt. Ltd. Has been awarded ISO 9001:2000 certifications. A.R. Hydraulic Fittings Pvt. Ltd. Supplies precision engineered components and equipment such as pipe fittings, hose fittings, steel pipe fittings, stainless steel pipe fittings, industrial pipe fittings, etc. Which is used widely in mechanical and engineering industries. Weld Neck Flat Face Flanges is circumferentially welded into the system at its neck which means that the integrity of the butt welded area can be easily examined by radiography. The bores of Weld Neck Flat Face Flanges match, which reduces turbulence and erosion inside the pipeline. The weld neck is therefore favored in critical applications.