容积真空泵 振动测量方法
Positive-displacement vacuum pump─Measuring methods for mechanical vibration
2011-12-20
GB/T 25753.4-2015
真空技术 罗茨真空泵性能测量方法 第4部分：噪声的测量
Vacuum technology—Roots vacuum pump— Measurement of performance characteristics—Part 4: Measurement of noise
2015-12-10
GOST 31336-2006
Шум машин. Технические методы измерения шума компрессоров и вакуумных насосов
机器噪音用于测量压缩机和真空泵噪声的工程方法
2006-12-07
GB/T 21272-2007
蒸汽流真空泵性能测量方法 泵液返流率和加热时间的测量
Vapour vacuum pumps - Measurement of performance characteristics Measurement of back-streaming rate of pump fluid and the heating time
2007-12-20
GB/T 25753.1-2010
真空技术 罗茨真空泵性能测量方法 第1部分：最大允许压差的测量
Vacuum technology - Roots vacuum pump - Measurement of performance characteristics - Part 1: Measurement of maximum tolerable differential pressure
2010-12-23
GB/T 19955.2-2005
蒸汽流真空泵性能测量方法 第2部分：临界前级压力的测量
Vapour vacuum pumps-Measurement of performance characteristics Part2:Measurement of critical backing pressure
2005-09-19
GB/T 25753.2-2010
真空技术 罗茨真空泵性能测量方法 第2部分：零流量压缩比的测量
Vacuum technology - Roots vacuum pump - Measurement of performance characteristics - Part 2: Measurement of compression ratio of the zero throughput
2010-12-23
GB/T 25753.3-2011
真空技术 罗茨真空泵性能测量方法 第3部分：溢流阀压差的测量
Vacuum technology - Roots vacuum pump - Measurement of performance characteristics - Part 3: Measurement of overflow valve differential pressure
2011-11-21
GB/T 19955.1-2005
蒸汽流真空泵性能测量方法 第1部分：体积流率（抽速）的测量
Vapour vacuum pumps-Measurement of performance characteristics Part1:Measurement of volume rate of flow(pumping speed)