CSA ANSI Z21.13a-2005/CSA 4.9a-2005

Addenda 1 to ANSI Z21.13-2004/CSA 4.9-2004, Gas-Fired Low Pressure Steam and Hot Water Boilers

CSA Group , 01/01/2005

Publisher: CSA

File Format: PDF

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Description

Standard By:CSA Group , 01/01/2005

Published:01/01/2005

Pages:6

File Size:1 file , 160 KB

Language:English

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CSA ANSI Z21.13a-2005/CSA 4.9a-2005 PDF

Details test and examination criteria for Category I, Category II, Category III and Category IV low-pressure steam and hot water boilers for use with natural, manufactured and mixed gases, liquefied petroleum gases and LP gas-air mixtures. A boiler is defined in the standard as a boiler operating at or below the following pressures or temperatures: steam heating boiler - 15 psi (103.42 kPa) steam pressure; hot water heating or supply boiler - 160 psi (1.10 MPa) water pressure, 250 degrees F (121 degrees C) water temperature.