最后对自旋阀的底钉扎和顶钉扎结构进行了比较。
Spin valve with bottom structure is compared with which with top structure.
工作原理：当管道和水箱内部形成真空时，大气压便会顶开阀盖，大气进入系统内部，平衡系统压力，消除真空影响。
Working principle: when the internal piping and tank vacuum, atmospheric pressure will be the valve cover, air enters the system, balance the system pressure, eliminate the effect of vacuum.
根据国家标准《石油化工企业设计防火规范》（GB50160-92）之规定：“储存甲、乙类液体的固定顶罐，应设阻火器和呼吸阀”。
Flame Arrestor breather valve should be equipped on the top of tank for type A B liquid according to GB50160-92, "Fire prevention code of petrol chemical enterprise design".
然后，这些部件可以用多种方法顶出，如升降机、凸轮、架台、提升阀、螺栓结构和汽缸结构。
Then these parts are ejected with a variety of lifters, cams, racks, poppit valves, screws, and cylinders.
对液压千斤顶内部组件的独特设计，实现了阀芯完全打开后，使得气体无阻碍的通过。
To the hydraulic jack interior module's unique design, after having realized the valve core opens completely, causes the gas free from obstacle passing.
配备沥青溢流管、防冒液呼吸阀、防老化顶置充氮阀、温度计、容量计和输出沥青的快速卸料阀及接耦。
It is equipped with asphalt return tube, anti-puffing pressure vent valve, anti-aging overhead nitrogen valve, thermometer, volumeter and output asphalt rapid discharge valve and coupling.
还有CIP-和瞬时杀菌设备系统，分配管板，管群架，双座阀阵和顶料装置等单元设备。工程项目可按照客户的要求设计制作。
CIP-plants, pasteurisation systems, distribution panels, tube panels, valve manifolds and pigging system are individual units which are offered by our engineering.
呼吸阀安装在固定顶罐的通风装置，起减少油品蒸发损耗，控制储罐压力的作用，它也可与阻火器联合安装使用。
Breathing Valve shall be set on roof of the fixed-roof tanks, which can make the tanks safe and reduce the loss of the stored liquids as evaporation.
接头上有接头杠杆，在拉索的拉动下能够压动顶杆，打开阀芯。
A joint lever is arranged on the joint, and can press the push rod when pulled by a guy cable to open the valve core.
随着温度升高，感温元件（阀芯）内的顶杆，向A口移动。
With rising of temperature, top material in the temperature-sensing working move to port A.
气动方形闸板阀气动闸板阀气动闸板门用于建材、冶金、矿山、电力、化工、玻璃、轻工、粮食等行业的库顶、库底及进出口等。
This valve is widely used at the top bottom of store house carry port in metallurgical, mining, building material, food, chemical industries etc.
当系统中的油压升高到梢高于溢流阀的调定压力时，溢流阀上的钢球被顶开，油液经溢流阀排回油箱。
When the hydraulic system up to the tip is set higher than the pressure relief valve, the relief valve on top of the ball was opened by the oil relief valve to the tank platoon.
当系统中的油压升高到梢高于溢流阀的调定压力时，溢流阀上的钢球被顶开，油液经溢流阀排回油箱。
When the hydraulic system up to the tip is set higher than the pressure relief valve, the relief valve on top of the ball was opened by the oil relief valve to the tank platoon.
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