MSS SP-110-2010 Ball Valves Threaded,Socket-Welding,Solder Joint,Grooved and Flared Ends Standard Practice Developed and Approved by the Manufacturers Standardization Society of the Valve and Fittings Industry,Inc.127 Park Street,NE Vienna,Virginia 22180 Phone:(703)281-6613 Fax:(703)281-6671 e-mail:infomss-hq.org www.mss-hq.org