Wis. Admin. Code Public Service Commission § PSC 135.197 - Control of the pressure of gas delivered from high-pressure distribution systems additions [49 CFR 192.197]

Current through March 28, 2022

After 49 CFR 192.197(c), insert:

(dw) The service regulator shall be of a type that is capable under normal operating conditions of regulating the downstream pressure within the limits of s. PSC 134.23 and of limiting the build-up of pressure under no-flow conditions to 50% or less of the discharge pressure maintained under flow conditions.
(ew) In addition to the provisions of 49 CFR 192.197(a) and (b), if the maximum actual operating pressure of the distribution system is greater than low pressure and is equal to or less than 60 p.s.i.g., a suitable protective device shall be installed to prevent unsafe overpressuring of the customer's appliances should the service regulator fail. These devices may be installed as an integral part of the service regulator or as a separate unit. Some of the suitable types of protective devices to prevent overpressuring of customers' appliances are:
(1) A monitoring regulator.
(2) A relief valve.
(3) An automatic shut-off device.
(fw) Breather vents shall be provided on all service regulators.


Wis. Admin. Code Public Service Commission § PSC 135.197
CR Register, October, 1999, No. 526, eff. 11-1-99.

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