Historical
MSS SP-75-2004
Specification for High Test, Wrought, Butt Welding Fittings
This specification covers factory-made, seam-less and electric fusion-welded carbon and low-alloy steel, butt-welding fittings for use in high pressure gas and oil transmission and distribution systems, including pipelines, compressor stations, metering and regulating stations, and mains.
Content Provider
Manufacturers Standardization Society of the Valve and Fittings Industry, Inc. [mss]