Purpose: To provide a Standard Practice for Excess Flow Valves installed in low pressure fuel gas piping systems which are designed to protect the appliance and its connections to the piping system by reducing the flow of gas should the flow in the line exceed some predetermined level.
Scope: This Standard Practice applies to Excess Flow Valves used with gas fired appliances in Fuel Gas Distribution Systems with operating pressures between 5 inches water column (5" w.c.) and 14 inches water column (14" w.c.).
Document identifier
MSS SP-133-2010
Title
Excess Flow Valves for Low Pressure Fuel Gas Appliances
Publication date
2010-09-01
International Relationship
History of version
MSS SP-133-2010 * MSS SP-133-2005
Price |
87 vnd |