NEN-EN 589-1993
机动车燃料．液化石油气．实验要求与方法

Automative fuels. LPG. Requirements and methods of test

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标准号

NEN-EN 589-1993

发布

1993年

发布单位

NL-NEN

 

 

适用范围

This European Standard specifies requirements and methods of test for automotive LPG (liquefied petroleum gases) as marketed and as delivered in the countries of the members of CEN. It is applicable to automotive LPG for use in vehicles fit to run on automotive LPG. DANGER. Attention is drawn to the risk of fire and explosion when handling LPG and to the hazard to health which arises through mhalation of excessive amounts of LPG. LPG is a highly volatile hydrocarbon liquid which is normally stored under pressure. If the pressure is released large volumes of gas will be produced which form flammable mixtures with air over the range 2 % V/V to 10 % V/V. This European Standard involves the sampling, handling and testing of LPG. All procedures should be conducted away from sources of ignition such as naked flames, unprotected electrical equipment and electrostatic hazards. Testing should be performed as far as practicable under an electrically-safe ventilation hood. LPG in the liquid form can cause cold burns to the skin. Protective clothing such as gloves and goggles should be worn if contact with the skin is likely to occur. Unnecessary inhalation of LPG vapour should be avoided. The operator should not be exposed to atmospheres containing more than 1 800 mg/m3 over an 8 h time-weighted average (TWA) reference period, or greater than 2 250 mg/m3 over a short term, 10 min reference period. One of the tests described in this European Standard involves the operator inhaling a mixture of air and LPG vapour. Particular attention is drawn to the cautionary statement provided in 6.2, where this method is referred to.

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