For Pressures over 150 psig (10.34 bar) contact GasBreaker
Calculate service line capacities from given flow and pressure drop data above to ensure adequate flow capacity as available to operate valve. For additional assistance in sizing and technical information on UMAC Excess Flow Valves, please contact GasBreaker.
Click here to access our online Sizing Application.
TRIP RANGE CHART
UMAC Series 350 EFVs available in ½ CTS, ½ IPS & ¾ CTS sticks and other prefabricated models. (See the Model Guide for examples).
All valves comply with: DOT Part 192.381, ASTM F 2138 and MSS SP-115: Excess
Tested to, or in accordance with, ASTM F 1802: Standard Test Method for Performance Testing of Excess Flow Valves
AVERAGE PRESSURE DROP AT AN INLET PRESSURE OF 10PSIG (0.69 BAR)