在把钢瓶连接倒较低额定工作压力的管道回路时，使用调整器和减压装置。
Use regulators and pressure-relief devices when connecting cylinders to piping circuits with lower pressure service ratings.
当把钢瓶连接到较低额定工作压力的回路上时，要使用调整器和减压装置。
Use regulators and pressure relief devices when connecting cylinders to circuits having lower pressure service ratings.
泵的额定压力是指泵连续工作时的最高许用压力，而其工作压力则决定于外部负载，泵的寿命与其工作压力直接相关。
The pump is rated pressure pump work for the highest allowable pressure, but their work is determined by external pressure load, pump life are directly related to their work pressure.
石油化工设备常常是24小时连续运转，这时泵的工作压力应该取得比额定压力低得多，且工作转速也应该低于额定转速。
Petrochemical equipment is often 24-hour continuous operation, when the work pressure pump should be made much lower than the rated pressure, and speed work should also be lower than the rated speed.
分离器的额定工作压力是10兆帕。
软密封闸阀不应安装在使用压力可能超过其额定工作压力的管路上。
The soft-sealing gate valve should not be used on pipeline in which running pressure may be over the rated pressure.
额定压力不能高于热水器参数板上显示的工作压力。
Must not be rated higher than the working pressure shown on the data plate of the water heater.
对于经常工作于较高压力下的齿轮泵，其工作压力应比泵的额定压力低1 ~2个压力级。
For often work under high pressure gear pump, the working pressure shall be lower than the rated pressure of the pump 1 ~ 2 pressure level.
对于不频繁工作的齿轮泵，其工作压力可取为泵的额定压力，考虑到产品质量不同，最好将额定压力降低20% ~ 30%使用。
For not frequent work gear pump, the working pressure is desirable for the rated pressure of the pump, taking the quality into consideration, it is best to used pressure rated lower 20% ~ 30%.
对于不频繁工作的齿轮泵，其工作压力可取为泵的额定压力，考虑到产品质量不同，最好将额定压力降低20% ~ 30%使用。
For not frequent work gear pump, the working pressure is desirable for the rated pressure of the pump, taking the quality into consideration, it is best to used pressure rated lower 20% ~ 30%.
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