阀座

To clean strainer or replace seat/stem module shut off supply, loosen Locknut and Lock Seal and back off Adjusting Screw.

要清洗过滤器或更换阀座/阀杆模块，先关闭供应管道，松开锁紧螺母和锁紧密封，并且将调节螺丝退出。

Should product valve set with valve rod dense cover average adopt hard alloy built-up welding, Gets up resistance to abrasion, Endure rot, Endures warm effect; Main body adopts plasticity material by transfer quality ensure valve whole bear pressure big; Fixes press exhaust groupware by special treatment, With the help ofs flowmeter, To bushing gas, Oil gas exceed presses behind proceed canny fit arrange press.

该产品阀座与阀杆密封面均采用硬质合金堆焊，起到耐磨、耐腐、耐温的作用；主体采用塑性材料经调质保证了阀门整体承受的压力大；定压排气元件经特殊处理，借助流量计，对套管气、油气超压后进行精准排压。

Piston-type check valve: valve within the valve seat around the valve pin rotation.

活塞式止回阀：阀瓣围绕阀座内的销轴旋转的止回阀。

When thread ing pipe, gauge pipe thread s for size and length to avoid jamming pipe against seat and disc.

当对管道进行攻丝时，要测定管道螺纹的尺寸和长度，避免将管道塞满阀座和阀瓣。

How it works: decompression works is the use of diaphragm, spring and piston and other sensitive components, to change the valve core and valve seat of the gap to achieve the automatic decompression purposes.

工作原理：减压工作原理是利用膜片、弹簧和活塞等敏感元件，改变阀芯与阀座的间隙来达到自动减压的目的。

Valve is the use of diaphragm, spring, piston and other sensitive components to change the valve clearance between the valve and valve seat, when the medium when produced by throttling, the pressure drop and its decompression valve.

减压阀是利用膜片、弹簧、活塞等敏感元件改变阀瓣与阀座之间的间隙，当介质通过时产生节流，压力下降而使其减压的阀门。

Kit consists of: Seat, Stem assembly, Spring, Two piston o-rings, Flow tube O-rings and Cover O-ring.

组件包括：阀座，阀杆总成，弹簧，两个活塞O形环，流量管O形环和阀盖O形环。

Form of the structure can be divided into film, spring diaphragm, piston, lever-type and the corrugated tube; by YZ11X Directly Acting Pressure Reducing Valve the number of available seat and two-seat single-block human type; according to the location of the valve flap can be divided into positive and negative effects of different type and reaction-type.

按结构形式可分为薄膜式、弹簧薄膜式、活塞式、杠杆式和波纹管式；按阀座数目可人为单座式和双座式；按阀瓣的位置不同可分为正作用式和反作用式。

Cavitations is the major problems of designing water hydraulic valve, understanding the relationship between shape of valve and cavitations , avoiding cavitations is extremely important, this paper, the numerical simulation and visualization research of flow field is carried out to research relation between the flow field of poppet valve and the length of valve seat by finite volume numerical method.

气穴是研制水压阀存在的主要难题，认识阀口形状与气穴的关系，避免产生气穴现象是极其重要，本文应用有限体积数值计算方法针对阀座倒角长度变化对水压阀阀道内流场的影响进行数值模拟和可视化研究，得到了一些有益的结论：倒角长度的改变对阀口间隙以及阀芯锥面与柱面相接的地方的负压会产生比较大的影响

Seat of static sealing surface diameter with a precision grinding and special tools Screw Valve, reliable seal.

阀座的静密封面径过精密研磨并用专用工具旋入阀体，实现可靠的密封。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。