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1·Press the Start button, the pump running, then open the suction valve of the pump.

按下水泵“开”按钮，泵即运转；然后打开泵的吸入阀。

2·Should be fully open before the start of suction and discharge pipe valves, non-closing valve started.

启动前应全开吸入和排出管路中的阀门，严禁闭阀启动。

3·How it works: the piston moves from left to right, form a negative pressure pump cylinder, then the suction tank fluid through the valve into the pump cylinder.

工作原理：活塞自左向右移动时，泵缸内形成负压，则贮槽内液体经吸入阀进入泵缸内。

4·In the alternating suction and discharge valve under the influence of pressure delivery and recycling to achieve the purpose of washing fluid.

在吸入和排出阀的交替作用下﹐实现压送与循环冲洗液的目的。

5·Project standard STPE-0101 page 43 requires that the suction piping up to suction block valve (including the valve) should be rated as discharge piping.

项目标准STPE - 0101第43项要求：直到吸入切断阀(包括阀)的吸入口管道应按排放管道定型？

6·Should be fully open before the start of the suction and discharge pipe valves, non-closing valve to start.

启动前应全开吸入和排出管路中的阀门，严禁闭阀启动。

7·Fluid end consists mainly of module, suction and discharge valve assembly, suction and discharge spring, suction and discharge pipe, plunger, packing, safety valve and pressure regulator, etc.

液力端主要由液缸、吸入、排出阀总成、吸入、排出弹簧、吸入管、柱塞、盘根、安全阀、稳压器等部件组成。

8·With the suction superheat kept constant meantime, the valve opening, refrigerant mass flow rates and the cooling capacity between two individual units exhibit a parabola relationship.

若同时保持吸气过热度一定，则三联式系统内两单机的膨胀阀开度、制冷剂质流量、制冷量呈现出抛物线的依变关系；

9·Unscrew the nut from the service connection of suction line valve and connect the compound pressure gauge.

将真空泵连于复合压力表，打开复合压力表和真空泵对室内机和连接管抽真空。

10·Pump stop, they would first close the discharge stop valve, and switch to a complete halt until pump suction stop valve was closed.

泵停车时，应先关闭排出停止阀，并待泵完全停转后关闭吸入停止阀。