This standard specifies the terms and definitions, classification, model designation, requirements, test methods, inspection rules, instructions, marking, storage and transportation of nitrogen injection and oxygen reduction fire prevention device.
This standard is applicable to nitrogen injection and oxygen reduction fire prevention device.
2 Normative References
The following referenced documents are indispensable for the application of this document. For dated reference, only the edition cited applies. For undated references, the latest edition of the normative document (including any amendments) applies.
GB 150 (All the parts) Pressure Vessels
GB/T 191 Packaging - Pictorial Marking for Handling of Goods
GB/T 3222.2 Acoustics - Description, Measurement and Assessment of Environmental Noise - Part 2: Determination of Environmental Noise Levels
GB 5099 Steel Seamless Gas Cylinder
GB 5100 Welded Steel Gas Cylinders
GB/T 9969 General Principles for Preparation of Instructions for Use of Industrial Products
GB/T 25208 Environmental Test Methods for Fixed Extinguishing Systems
GA 61-2010 General Technical Specifications of Actuating and Control Devices of Fixed Extinguishing Systems
3 Terms and Definitions
For the purposes of this document, the following terms and definitions apply.
3.1
Nitrogen injection and oxygen reduction fire prevention device
A fire prevention device that separates the nitrogen and oxygen in the air, injects nitrogen to the protection area and controls the oxygen concentration in the protection area to prevent the combustibles therein from burning.
3.2
Nitrogen generation assembly
An assembly that is able to separate the nitrogen from the air.
