U.S. Code of Federal Regulations
Regulations most recently checked for updates: Sep 16, 2025
A shutoff valve may not be located—
(a) Between the tank opening and pressure relief device; or
(b) On the discharge side of the pressure relief device.
Regulations most recently checked for updates: Sep 16, 2025
A shutoff valve may not be located—
(a) Between the tank opening and pressure relief device; or
(b) On the discharge side of the pressure relief device.