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17 Lee Blvd Ste D
Malvern, PA 19355
United States

Residential, Commercial & Industrial

GasBreaker., a division of Continental Industries; has an EFV to meet most residential and commercial gas service line applications.

Along with the GasBreaker valves for low-pressure meter installation and in housing piping applications, our UMAC brand EFVs bring over 34 years of field service & experience. Since 1974, UMAC brand EFVs have set the standard with millions installed worldwide.

GasBreaker's UMAC brand of EFVs continue to create innovative and specialized products for the gas industry market. The "System 21" No-Hole EFV is a cutting edge product that can be installed without an excavation. The "System 21" Retro-fit EFV allows insertion of an Excess Flow Valve from the house to the gas main through the existing service line...adding an extra margin of safety to active gas consumers.

GasBreaker...manufacturers of the UMAC brand Excess Flow Valves.

  • Accommodates pressures from 5 psi to 1000 psi (Depending on Series of EFV)
  • Flow Ranges from 350,000 to 16,000,000 BTU
  • Meet DOT 192.381 and MSS-SP-115 for excess flow valves for use in natural gas system
  • Meet ASTM F 1802-97 Performance testing of EFVs
  • Meet ASTM F 2138-01 Standard Specifications for EFVs
  • Compatible with fittings and piping materials from most manufacturers

Performance Charts
Click a UMAC EFV Series from the menu below for pressure, flow, trip and reset characteristics of that series:


SERIES 350viewdownload
SERIES 400viewdownload
SERIES 550viewdownload
SERIES 700viewdownload
SERIES 800viewdownload
SERIES 1100viewdownload
SERIES 1800viewdownload
SERIES 2600viewdownload
SERIES 5500viewdownload
SERIES 10000viewdownload
Propane (LPG)viewdownload


Sizing Chart

To use our online Commercial Application sizing chart, click here.

Click Here for Valve Assembly Guide

Performace Charts

Click Here for Model Guide

Visit our website:
GasBreaker | 17 Lee Blvd Ste D Malvern, PA 19355 United States | 800x-524x-0566
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