Okla. Admin. Code § 380:25-5-8

Current through Vol. 42, No. 6, December 2, 2024

Section 380:25-5-8 - Cast iron headers and mud drums

The maximum allowable working pressure on a water tube boiler, the tubes of which are secured to cast iron or malleable iron headers, or which have cast iron mud drums, shall not exceed 160 psig.