- By-pass allows the EFV to reset itself after the damaged service line is repaired
- Lowest pressure drop across the valve in the industry for ½” CTS service
- Actuation spring is housed outside the high pressure gas stream extending service life while resisting clogging due to line dust and particulate build-up
- Built to adapt to a variety of different carriers such as straight stick, service tees or mechanical fitting
- Meets or exceeds requirements of CFR Title 49, part 192.381
The Lyco EFV II Magnum Series compliments the original Lyco EFV I designed for ¾” CTS through 1” IPS service. See our complete line of EFV products and our new EFV Calculator at http://www.rwlyall.com/products/ng/excessflow.php.
When the flow of gas in a service line exceeds design limits for any reason, the Lyco Excess Flow Valves provide safety for the natural gas and propane consumer by mechanically stopping the flow of gas until the service line can be repaired.
R.W. Lyall & Company, Inc., headquartered in Southern California is a leading manufacturer of piping distribution products for the Natural Gas and Propane industries. Founded in 1970, R.W. Lyall & Company has gained an industry-wide reputation for innovative engineering and high volume manufacturing of quality gas distribution products. Today, Lyall continues to take the lead by offering manufacturing from three strategic locations, including Corona, CA, Seminole, OK, and with the resent purchase of Mechanical Specialties, Lyall now has addition manufacturing and Sales offices in New Berlin, WI to better serve its North American markets.
