Fan-assisted air heaters using gaseous fuels with a heating capacity of not more than 70 kw.

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Main informations

Collections

National standards and national normative documents

Publication date

June 1981

Number of pages

79 p.

Reference

NF E31-501

ICS Codes

97.100.20 Gas heaters

Classification index

E31-501

Print number

1 - 05/12/1998

Replaced standards (2)

NF E31-501

December 1970

Standard Cancelled

Fan-assisted air heaters using gaseous fuels with A heating capacity of not more than 60TH/hour.

NF E31-501/AM

December 1977

Standard Cancelled

Fan-assisted air heaters using gaseous fuels with A heating capacity of not more than 60 TH/H.

Standard replaced by (1)

NF EN 778

December 1998

Standard Cancelled

Domestic gas-fired forced convection air heaters for space heating not exceeding à net heat input of 70 kW, without à fan to assist transportation of combustion air and/or combustion products.

Le présent document définit les exigences et les méthodes d'essais relatives à la construction, la sécurité, au rendement et le marquage des générateurs d'air chaud susmentionnés.

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