气动刀闸阀气动阀门价格表气动管夹阀气动角座阀闸阀的作用是利用阀瓣沿通路中心的垂直线方向移动来实现开启或关闭管道通路。
Valve is the role of central valve along the pathway of vertical lines move to achieve open or closed pipeline access road.
主要原因是锅炉安全阀二次保护回路设计有缺陷，再加上安全阀起跳和回座的整定值与运行额定值相重叠造成的。
The main reasons were due to the defect in the design of safety valve secondary circuit and the overlap of the service rating and the setting for safety valve popping and reseating.
从弹簧刚度、整定压力范围，讨论了针对安全阀同一口径，在整定压力和回座压力比较接近的情况下，弹簧的优化设计。
From spring rigidity and range of set pressure, spring optimize design to same diameter's safety valve at set pressure near blow-down pressure are discussed.
因此，座板阀改进的意义更大。
通过分离单向阀球座密封段，材料改为氧化锆陶瓷，密封段流道直径增加0。
The sealing sections of non-return valve ball seat were separated, material was changed into zirconium oxide ceramic, 0.
对于长阀杆的延长装置，需要提供适当的和坚固的支撑座。
Adequate and rigid support must be provided for long stem extension units.
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；
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 .
通过实际应用，认为该装置达到了设计要求，满足了业主对安全阀回座压力校验的要求。
The equipment accords with the requirement of design and user of safety valve in practice.
经理论分析和计算发现，短针阀喷油器可以进一步降低针阀对密封座面的冲击应力。
By theoretical analysing and calculating, we find the short needle valve fuel injector can further decrease the impact stress of the needle valve to the sealed conical surface.
介绍了安全阀回座压力校验装置的设计、参数的验算、数据的电脑采集处理。
This paper introduces the design, calculation of parameters, the collection and process of data by computer for the test equipment of setback pressure for safety valve.
在不具备压力试验条件时，不允许拆掉换向阀的铅封和调整调压弹簧座。
In the lack of condition for the pressure test, it is not allowed to remove the lead sealing of the reversing valve to adjust the pressure regulating button.
所完成的现场试验表明，与刚性阀瓣相比，新型柔性阀瓣在介质压力作用下同样能迅速开启、稳定排放介质和及时有效的回座。
The completed field tests show that the new type flexible disc also can open quickly, discharge stably, and reseat timely and effective under medium pressure comparing with the rigid disc.
当系统运行压力降低至安全阀的回座压力时，主蒸汽安全阀自行关闭，停止排放，从而对主蒸汽系统的管道和设备起安全保护作用。
When the system pressure drops to the return pressure, the security valve will be closed and stop discharging, in the way of which the pipelines and equipments of the steam system will be protected.
常见的减振器的泄漏形式主要有活塞磨损、底阀密封失效、导向座及密封组件失效等。
Based on the simulation model a simulation piston gap, at the end of the valve, the piston rod and sealing ring gap of oil leakage caused by the shock absorber failure.
阀的水路转换机构由推杆、弹簧、弹簧座、阀门塞等组成。
The water path switching mechanism of the valve is composed of a push rod, a spring, a spring seat, a valve plug, etc.
注料管一端与整流阀上的输出管相互衔接，其上适当处设有枢接座，导膜板可枢接于枢接座上；
The appropriate point on a frame is provided with a film level division filling device which comprises a feed pouring tube, a film guide plate, a location seat and a side baffle.
最新研制的新一代高性能球阀、弹性座封闸阀、水利控制阀等系列高节能绿色阀门，在国内外同类产品中处于领先地位。
The latest developed multi-functional high exonomic energy green valves in new generation have many sryles , such as water power control valve.
最新研制的新一代高性能球阀、弹性座封闸阀、水利控制阀等系列高节能绿色阀门，在国内外同类产品中处于领先地位。
The latest developed multi-functional high exonomic energy green valves in new generation have many sryles , such as water power control valve.
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