1 This guideline is applicable to the high-pressure hoses connected to the cylinder head valve of CO2 fire extinguishing plant and the check valve on pipe header. The working pressure of high-pressure hoses is to be greater than 15MPa.
2 This guideline is only applicable to wire-braid-reinforced or steel wire spiraled hoses.
3 Manufacturer manufacturing or assembling high-pressure hoses used in CO2system are to be B type approved by CCS.
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