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CSA ANSI 3.21:19

Industrial gas-fired natural draft heaters for installation in non-hazardous and hazardous locations in oil and gas process applications

CSA Group, 03/01/2019

Publisher: CSA

File Format: PDF

$299.00$599.00


Published:01/03/2019

Pages:189

File Size:1 file , 2 MB

Note:This product is unavailable in Russia, Ukraine, Belarus

CSA/ANSI 3.21, Industrial gas-fired natural draft heaters for installation in non-hazardous and hazardous locations in oil and gas process applications, is arranged in two parts:
a) CSA/ANSI 3.21, Part 1, covers industrial gas-fired natural draft heaters for installation in non- hazardous locations in oil and gas process applications; and
b) CSA/ANSI 3.21, Part 2, covers industrial gas-fired natural draft heaters for installation in hazardous locations in oil and gas process applications.

This Standard (Part 1) applies to newly produced industrial gas-fired natural draft heaters (see Clause 3, Definitions) utilizing new and unused parts and materials intended for indoor and outdoor installation in non-hazardous locations in oil and gas process applications with a maximum input rating up to 12 500 000 Btu/h (3750 kW).

The requirements of this Standard (Part 2) apply only to heaters produced in accordance with CSA/ANSI 3.21, Part 1, and intended for use in Zone 2 [Class I, Div 2] Hazardous Locations.

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