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  • commodity codes look-up | purchasing

    Commodity Codes Look-Up | Purchasing

    Unit Heaters, Gas-Fired (Duct and Suspended Types) 031-93 Unit Heaters, Gas-Fired (Radiant and Infrared, Portable and Stationary) 031-94 Unit Heaters, Steam and Hot Water Types 031-95 Ventilation Equipment and Systems (See 031-78, 79 for Roof Ventilators) 031-96 Vent Pipes, Fittings, and Accessories 031-97

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  • hvac dictionary - heating & air conditioning terms

    HVAC Dictionary - Heating & Air Conditioning Terms

    A vessel or tank where heat produced from the combustion of fuels such as natural gas, fuel oil, or coal is used to generate hot water or steam for applications ranging from building space heating to electric power production or industrial process heat. Boiler Pressure. The pressure of the steam or water in a boiler as measured, usually

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  • astm international - withdrawn standards

    ASTM International - Withdrawn Standards

    D254- Specification for Heavy-Body Coal-Tar or Water-Gas-Tar Protective Coating with Solvent Vehicle, for Cold Application, for Damp-Proofing Masonry Structures (Withdrawn 1927) D255-92 Standard Method for Steam Distillation of Bituminous Protective Coatings (Withdrawn 2000)

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  • energy glossary

    Energy Glossary

    LPG (LIQUEFIED PETROLEUM GAS) - A mixture of gaseous hydrocarbons, mainly propane and butane that change into liquid form under moderate pressure. LPG or propane is commonly used as a fuel for rural homes for space and water heating, as a fuel for barbecues and recreational vehicles, and as a transportation fuel.

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