Provide PDF Format
MSS SP-133-2005
- Excess Flow Valves for Low Pressure Fuel Gas Appliances
- standard by Manufacturers Standardization Society, 01/01/2005
- Publisher: MSS
$25.00$49.80
The purpose of this document is 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.