ASME B16.44-2012 pdf – Manually Operated Metallic Gas Valves for Use in Aboveground Piping Systems Up to 5 psi
ASME B16.44-2012 pdf – Manually Operated Metallic Gas Valves for Use in Aboveground Piping Systems Up to 5 psi. 3.3 Seating and Stem Seal Materials 3.3.1 Etastomer Components — Air Aging. Eiastomer parts that are exposed to fuel gas shall...
ASME B16.44-2002 pdf – MANUALLY OPERATEDMETALLIC GAS VALVES FORUSE IN ABOVEGROUND PIPING SYSTEMS UP TO5 PSI
ASME B16.44-2002 pdf – MANUALLY OPERATEDMETALLIC GAS VALVES FORUSE IN ABOVEGROUND PIPING SYSTEMS UP TO5 PSI. 3.3.2 ELastomer Components — Swell Test. Elastomer parts that are eposed to fuel gas shall be made Irtim materials that, alter 70 hr exposure...