G - Physics – 01 – F
Patent
G - Physics
01
F
G01F 25/00 (2006.01) F16L 19/02 (2006.01) F16L 55/07 (2006.01)
Patent
CA 2079085
A meter bypass swivel connector is molded with a 1/4" hole located within its upper body portion. A ball check screen or guard separates its upper body portion from its lower body portion to prevent anything from obstructing the customer's service line. A ball check assembly, including a ball, seat, and base, is snapped or screwed into the lower portion of the meter bypass swivel connector. The ball check is configured to allow an uninterrupted or unobstructed flow of gas through the customer's line with pressure as low as 5" of water column. The lower body portion is surrounded by a flange and a swivel nut rests on a metal backup ring disposed on the flange. The metal ring protects the nonferrous swivel connector from the metal meter nut when the swivel is attached to the gas meter connection. A swivel gasket installed in the field "seals" the meter bypass swivel connector to the gas meter when the meter nut is tightened to the meter. A one-way coupler is attached in the hole in the meter bypass swivel connector in such a manner that the possibility of a gas leak would be minimal or impossible. The coupler is designed to allow rapid connection of a supplemental gas source through the coupler and the upper portion of the body into the customer's gas line. The connection on the coupler for the supplemental gas flow includes a tamper-resistant, plastic removable plug. Tampering with the protective cap will result in visible evidence to the gas company of the tampering. In any event, any gas taken from the one-way coupler would be measured gas. The meter bypass swivel connector is preferably an injection molded, nonferrous, electrically insulating device. Ultraviolet rays, ambient temperatures, humidity and odorants (injected by gas companies into natural gas systems for purposes of leak detection) will not affect its integrity. It is reusable, lightweight, and paintable.
J. L. Russell Inc.
Smart & Biggar
LandOfFree
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