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No relief valve is required where two pressure reducing valves are installed. 如果装上两个减压阀，就不需要安全阀。
Hand wheel,lever and spanner driving and safety valve,pressure reducing valve,traps overleap this symbol. 注：1、手轮、手柄和扳手传动以及安全阀、减压阀、疏水阀省略本代号。
Use a pressure reducing regulator or separate control valve to safely discharge gas from cylinder. 使用减压调整器或单个的控制阀来安全地从钢瓶中排出气体。
The valve is used on the pipeline as a pressure reducing regulating device for liquid gas or steam. 本阀适用于液体、气体或蒸气等介质的管路上作压力调节装置。
The installation of a water hammer arrestor (Watts Series 05) or water pressure reducing valve (Watts N35B) may be required to correct the problem. 这时可能需要安装美国瓦茨水锤制动器（美国瓦茨系列05）或水减压阀（美国瓦茨N35B）以解决这些问题。
Air filtering pressure reducing valve, solenoid valve, valve location feedback device, valve gate locator, quick exhaust valce. 空气过滤器减压阀，电磁阀，阀位反馈装置，阀门定位器,快速排气阀。
The water utility supply meter may contain a check valve, backflow preventer, or water pressure reducing valve. 自来水公司的供水水表可能包含一个止回阀，防倒流装置，或水减压阀。
Building valves - Water pressure reducing valves and combination water pressure reducing valves - Requirements and tests. 建筑阀门。供水减压阀和复合供水减压阀。要求和试验。
Local control panel instrument air supply, when required, shall be supplied through parallel air filters and pressure reducing regulators. 现场控制盘仪表的供气（如要求），应通过并联的空气过滤器和减压调节器来供应。
Series 2300 is a direct operated, balanced, tight seating pressure reducing valve, opened and closed by small variations in delivery pressure. 系列2300是一种直接操作、平衡、紧密密封减压阀,根据输出压力的细微变化而开启和关闭。
FILTERED WATER: Pressure reducing stations, altitude/tank filling, cooling water supply, storage reservoir release, etc. 过滤后的水：减压站、高处/水箱加注、冷却水供应、蓄水池放水等。
Primary sign performance: Stability pressure reducing performance.The pressure behind the valve is steady when the medium doesn't flow through the valve. 本阀主要特点:减压性能稳定,在减压阀阀后介质不流通的情况下仍可保持阀后压力稳定。
Jumper Kits are used in new construction as a temporary by-pass, prior to the actual installation of a water pressure reducing valve on potable water supply systems. Jumper组件用于新在新的建筑内作为在饮用水供应系统上实际安装减压阀之前的临时性旁路。
Several principles about airflow throttling, pressure reducing, channel expanding, noise absorbing and jet exhaust through ventage are adopted in the design. 综合运用节流降压、扩张室膨胀、导流、吸声和小孔喷注排气的原理，为该特种发动机设计了一个排气放空消声器。
In view of the response lag in CVT ratio control, a control algorithm is proposed for compensating the response lag in proportional pressure reducing valve control. 针对系统固有的速比控制滞后，提出了能够补偿滞后的控制算法来对比例减压阀进行控制。
The control air is supplied to the P.G. governor at the proper rate reduced by the pressure reducing valve (pos. no. 35). 如果你打开此开关，三通电磁阀34动作，控制空气通过三通电磁阀被传送到P。G。调速器代替扫气空气。
Rubi Zeta manufactures and sells: plumbing articles, valves, pressure reducers for couplings,... 分类标题：水卫阀门|水卫设备...
ON THE CONTRARY WHEN TIRE PRESSURE REDUCE 25% THE TIRE EXPECTANCE WILL REDUCE30%. 相反地，当轮胎压力降低25%25时，轮胎使用寿命会缩短30%25。
After the normal air-running, engineer must move the regulating handle to the position corresponding to the pressure which has been set by the pressure reducing valve (pos. no. 28) when the speed of the main engine is more than the air cut speed. 在正常的空气运转后，轮机员必须移动调节手柄到相应的压力的位置，其压力已由压力减压阀28设定，当主机的转速已经高于空气切断转速。
Their heart rates slowed down, P R and Q T intervals prolonged and blood pressure reduced after exposure, as compared with those before exposure. 工人接触后心电图指标与接触前自身比较，出现心率减慢、P?R间期和Q?T间期延长及血压下降。