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本标准适用于输送温度不高于673 K(400°C)的石油及石油制品或其它性质类似的无腐蚀性液体的蒸汽往复热油泵。包括主要零件制造质量要求和活塞环的装配技术要求等。
This standard applies to the delivery temperature of not higher than 673 K (400 ° C) of petroleum and petroleum products or other similar non-corrosive liquid vapor reciprocating heat pump. Including the main parts manufacturing quality requirements and assembly requirements of the piston ring and so on.