CSA ANSI Z21.79b-2010 (R2021)/CGA 6.21b-2010 (R2021)
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Addenda 2 to ANSI Z21.79-1997/CGA 6.21-M97, Gas Appliance Sediment Traps
Scope
Details test and examination criteria for gas appliance sediment traps having a maximum operating gas pressure rating of 1/2 psi. A sediment trap is defined as a device intended to protect appliance gas controls from dirt and foreign particles which may be present in gas piping.
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