| 1. | Do not install where back - pressure can occur
不要安装在可能产生反压力的地方。 |
| 2. | Check module construction shall include built - in limit stops to prevent disc wear due to backpressure
止回阀模块结构应该包括内置止动限止器，防止由于反压力造成阀瓣磨损。 |
| 3. | Injection time switchover temperature affects the viscosity of the melt , which presents resistance to the advance of the screw
注射时间转换温度影响熔融塑料的粘度，而粘度会给螺杆的顶部带来阻力（反压力） 。 |
| 4. | Reduced pressure zone assembly shall be installed at each potential health hazard location to prevent backsiphonage and / or backpressure backflow
在每个具有潜在健康危害，需要防止反虹吸和/或反压力回流的地方应该安装一个减压区总成。 |
| 5. | A reduced pressure zone assembly shall be installed at each potential health hazard location to prevent backsiphonage and / or backpressure backflow
在每个具有潜在健康危害，需要防止反虹吸和/或反压力回流的地方应该安装一个减压区总成。 |
| 6. | Reduced pressure zone assembly shall be installed at each potential health hazard location to prevent backflow due to backsiphonage and / or backpressure
在每个潜在健康危害的地方应该安装减压区总成，以防止由于反虹吸和/或反压力造成的回流。 |
| 7. | A reduced pressure zone assembly shall be installed at each potential health hazard location to prevent backflow due to backsiphonage and / or backpressure
在每个潜在健康危害的地方应该安装减压区总成，以防止由于反虹吸和/或反压力造成的回流。 |
| 8. | Devices with moving parts for the prevention of contamination of water by backflow - specification for terminal anti - vacuum valves of nominal size up to and including dn 54
防止回流水污染用带动件装置.第2部分:公称尺寸小于等于dn54的终端反压力阀规范 |
| 9. | The 9d dual check with atmospheric vent is designed for use on non health hazard , continuous pressure , point of use applications for protection against backsiphonage and backpressure
带排气口的9d双止回阀适用于非健康危害、持续压力应用场合，用于防止反虹吸和反压力。 |
| 10. | Devices with moving parts for the prevention of contamination of water by backflow - specification for combined check and anti - vacuum valves of nominal size up to and including dn 42
防止回流水污染用带动件装置.第4部分:公称尺寸小于等于dn42的组合单向阀和反压力阀规范 |
