| 1. | Specification for pressure - reducing valves for steam service
蒸汽供应减压阀规范 |
| 2. | Performance requirements for water pressure reducing valves
水压减压阀的性能要求 |
| 3. | Methods of performance test for pressure reducing valves
减压阀性能试验方法 |
| 4. | Marine steel flanged steam pressure reducing valves
船用法兰铸钢蒸汽减压阀 |
| 5. | General specification for pressure reducing valves
减压阀一般要求 |
| 6. | Standard specification for pressure - reducing valves for steam service
蒸汽设备用减压阀标准规范 |
| 7. | Specification for pressure - reducing valves for air or nitrogen systems
空气或氮气系统减压阀规范 |
| 8. | Specification for pressure - reducing valves for water systems , shipboard
舰船用水系统减压阀的规范 |
| 9. | Standard specification for pressure - reducing valves for water systems , shipboard
船上给水系统用减压阀 |
| 10. | Pressure reducing valves for water works
水管用减压阀 |
