GB/T 13469-2008
离心泵、混流泵、轴流泵与旋涡泵系统经济运行
Economical operation for centrifugal, mixed flow, axial flow and vortex pump systems
- 实施日期
- 2008-11-01
- ICS 分类
- 23.120
组合使用关键词、标准类型、状态与 ICS 分类,快速定位所需国家标准。
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GB/T 13469-2008
Economical operation for centrifugal, mixed flow, axial flow and vortex pump systems
GB/T 13470-2008
Economical operation for the fan system
GB/T 21283.3-2008
Rotary shaft lip-type seals incorporating thermoplastic sealing elements - Part 3 :Storage,handling and installation
GB/T 21283.5-2008
Rotary shaft lip-type seals incorporating thermoplastic sealing elements - Part 5: Identification of visual imperfections
GB/T 21283.4-2008
Rotary shaft lip-type seals incorporating thermoplastic sealing elements - Part 4: Performance test procedures
GB/T 15907-2008
Rubber and plastics hoses - Method of test for flammability
GB/T 12722-2008
Rubber and plastics hose assemblies - Flexing combined with hydraulic impulse test(half-omega test)
GB/T 13871.3-2008
Rotary shaft lip-type seals incorporating elastomeric sealing elements - Part 3: Storage,handling and installation
GB/T 14383-2008
Forged fittings, socket-welding and threaded
GB/T 12622-2008
Standard test method for compressibility and recovery of gaskets for pipe flanges
GB/T 12621-2008
Standard test method for stress relaxation of gaskets for pipe flanges
GB/T 12385-2008
Standard test method for sealability of gaskets for pipe flanges
GB 4706.27-2008
Household and similar electrical appliances-safety - Part 2: Particular requirements for fans
GB/T 21540-2008
Hydraulic fluid power - On-line automatic particle-counting systems for liquids - Methods of calibration and validation
GB/T 21486-2008
Hydraulic fluid power - Filter elements - Sequence of tests for verifying performance characteristics
GB/T 21472-2008
Stainless steel bends and tees for the food industry
GB/T 2514-2008
Hydraulic fluid power - Four-port directional control valves - Mounting surfaces
GB/T 21465-2008
Terminology for valves
GB/T 21387-2008
Aaxial flow check valve
GB/T 21386-2008
Ratio pressure reducing