MSS SP 69 PDF can be obtained from the Manufacturers Standardization Society (MSS) of the Valve and Fittings Industry. The standard is available for download from the MSS website or can be purchased in print or PDF format.

The scope of MSS SP 69 covers steel lug and wafer butterfly valves with a nominal diameter of 2 inches to 24 inches (50 mm to 600 mm). The standard applies to valves with a variety of end connections, including wafer, lug, and flanged types. The valves covered by this standard are typically used in a wide range of applications, including water treatment, chemical processing, and oil and gas production.

MSS SP 69 is a standard specification published by the Manufacturers Standardization Society (MSS) of the Valve and Fittings Industry. The standard was first issued in 1982 and has undergone several revisions since then. The current edition of MSS SP 69 is available in PDF format, providing detailed information on the design, testing, and documentation requirements for steel lug and wafer butterfly valves.