The by-pass valve port has a central axis and a peripheral valve seat.
旁通阀口具有中心轴线和周边阀座。
A quantitative packer with negative pressure valve port relates to a powder packer technique.
负压式阀口定量包装机涉及一种粉料的包装机技术。
The normal-closed electromagnetic valve has reasonable structure design and good close property ofthe valve port to prevent leakage completely.
它结构设计合理，阀口关闭性良好，确保无任何泄漏。
This article introduced that we confronted many problems when home-making automatic valve port packager for PVC paste resin and how to solve them.
介绍PVC糊树脂阀口自动包装机国产化过程中遇到的问题以及解决方法。
The deflection angle of injection mainly depends on the valve port angle and almost has no relation to the valve size, but the reduction coefficient vavies with both of them.
射流的偏转角主要受阀口角度的影响，几乎与阀口尺寸无关；但射流的收缩系数则与两者都有关系。
The prior art has the defects of difficult machining of a valve port, poor sealing performance of the valve port, hard guarantee of internal leakage requirement, and the like.
现有技术存在阀口加工困难、阀口密封较差、内漏要求不易保证等缺陷。
Chapter 4 first test the starting pressure of valves, leakage of valve port, flow characteristic and response time, and then the experimental results are analyzed and compared.
第四章首先测试了阀片的启动压力、阀口泄漏量、流量特性以及压力响应时间，然后对实验结果进行了分析和比较。
According to actual conditions, design a fuzzy adaptive PID controller to control the openings of the electro-hydraulic proportional valve port, implementing a safe and smooth braking.
依据实际工况，设计了一种模糊自适应PID控制器来控制电液比例调速阀阀口的开口量，实现系统的安全、平稳制动。
A cartridge-type valve can be installed into an actuator port.
弹筒型阀可以安装到一个驱动器端口。
Along with the standard Red Valve sleeve, we offer Double Wall (DW), Reduced Port (RP), and Cone sleeves for special applications.
作为美国红阀公司的标准配置，我们可以提供双层(DW)，缩小流道(RP)，以及锥形套管以满足特殊需求。
Port area shall be 100% of the mating pipe port area through the entire valve length.
整个阀门的流道截面应该与管道的流道截面100%相同。
V-port trim has a more linear throttling curve than plug or ball discs, but none of these trims are recommended for continuous severe throttling which may require using a control valve.
形端口阀内件截止阀比塞形阀瓣或球形阀瓣截止阀具有更加线性的节流曲线，但是，所有这些类型的截止阀都不建议连续用于严格的节流应用中，这种情况可能需要采用控制阀。
Ball Port Options viewed from top of valve.
从阀门顶部观察球阀端口选项。
Valve shall have bronze body and operate so that the thermostat controls the cold water port.
这种阀门应该采用青铜阀体，使温度调节装置控制冷水端口。
Helical port also produces swirl by airflow interaction of valve gap and cylinder wall, so swirl number depends on helical line direction of relevant cylinder center.
螺旋气道通过气门间隙与缸壁的气流相互作用也产生涡流，因此，涡流数取决于相应气缸中心的螺旋线方位。
If the valve seat diameter is not known, the port diameter can be assumed to be the seat diameter for estimating purposes.
阀门阀座直径。如果不知道阀门阀座的直径，则可以将端口直径作为阀座直径进行估算。
Should be larger port area to ensure less friction and pressure drop across the valve.
较大开口区域应保证通过阀门较小的摩擦力和压力降。
The invention discloses a different-pressure automatic shuttle valve, comprising valve body, through end cover, valve core ball, spring seat, spring, inlet end, outlet port .
本发明公开了一种压差式自动关闭阀，该阀包括阀体、通端盖、阀芯球、弹簧座、弹簧、进口端、出口端；
Here is the port side view of the aft ballast tank showing a closer view of the vent valve and tubing.
这里是港口方面鉴于对尾部压载水舱展示了更紧密的看法通风口的阀门和油管。
Use of smaller valves or V-Port trim with lower flow capacity may permit the valve to be open at a greater percentage, thus avoiding damage.
采用具有更小流量的通径更小的截止阀或V形阀内件截止阀，可能使得阀门能够具有更大的开启度，因此可以避免损坏。
To take the best effectiveness of this valve, it is recommended to be installed at the air port of the pneumatic cylinder, this will remarkably increase the speed of the cylinder.
为了能有效地利用此阀之特性，此阀应直接安装在气压缸之气口上，对于提高气压缸运动速度的效果尤为明显。
The injection mandrel is equipped with a port - and check-valve system to direct fluid pumped down the annulus or injection line into the production conduit.
配注器装有孔口阀和单向阀系统，使泵入的流体沿环空向下或沿注入管线向下进入生产导管。
It consists of a water bath with magnetic stirring, balance flask, six-port valve and an on-line gas chromatography.
它包括恒温水浴、磁力搅拌器、油气平衡瓶、六通阀以及在线气相色谱仪。
There are some different ways of arranging porting for the four-valve diesel engine, such as two helical intake ports, two tangential intake ports or one helical port and one tangential port etc.
四气门柴油机进气道可以选用不同类型的进气道进行组合，如二个螺旋进气道、二个切向进气道或一个切向进气道一个螺旋进气道等。
At least one port of the valve connector has a collar.
阀门连接器的至少一个端口具有套环。
Through many experiments, the chromatographic optimum conditions in the analyzing procedure and the precision switching time of the six-port valve were defined.
通过大量实验，优化了分析过程的色谱最佳条件，找准了六通阀的切换时间；
The port side is the vent valve and tubing, and the starboard side is the blow tube.
港口方面是发泄阀和油管，和右舷侧是打击管。
The port side is the vent valve and tubing, and the starboard side is the blow tube.
港口方面是发泄阀和油管，和右舷侧是打击管。
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