Current through Vol. 42, No. 8, January 2, 2025
Section 380:25-5-26 - Steam gages(a) Each steam boiler shall have a steam gage connected to its steam space, its water column, or its steam connection, by means of a siphon or equivalent device exterior to the boiler. The siphon shall be of sufficient capacity to keep the gage tube filled with water and so arranged that the gage cannot be shut off from the boiler except by a cock with a tee or lever handle placed in the pipe near the gage. The handle of the cock shall be parallel to the pipe on which it is located when the cock is open.(b) The scale on the dial of a steam gage shall be graduated to not less than 30 psig or more than 60 psig. The gage shall be provided with effective stops for the indicating pointer at the zero point and at the maximum pressure point. The travel of the pointer from zero to 30 psig pressure shall be at least 3 inches.Okla. Admin. Code § 380:25-5-26