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First Stage
4257-first-stage
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Compact first-stage regulator design perfect for tight applications like underground domes. Feature an adjustment range from 9-12 psi, stainless steel internal components and large aluminum precision machined orifice to minimize freeze ups. While providing superior downstream regulation and maximum corrosion resistance against weather or contaminated gas.
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Residential use first-stage regulator with built-in 1/8" FNPT gauge taps for easy system checks. A 3/4" FNPT tapped drip lip vent to help prevent relief vent blockage. E-Z grip screens and an internal spring loaded internal relief.
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Application:
The MEC Flex-Vent provides a safe and easy solution to vent LP Gas regulators away from openings, sources of ignition or other potential fire hazards. Meets all requirements of the new flexible material allowance in the 2011 NFPA-58, section 5.8.3.1 (3).