闸阀

For the self-sealing valve, in the valve closed, the gate of the sealing surface of valve seat sealing surface is just right, that is, the fully open position of valve.

对于自动密封闸阀，在阀关闭时，闸板的密封面恰好对正阀座密封面，即是闸阀的全开位置。

TWT is capable of and has the facilities to design and manufacture butterly valves,gate valves,check valves,hydraulic auto control valves ,shut-off valves, ball valves,exhaust valves,square gate valves,round gate valves,stainer,and pipeline accessories ranging from DN15-DN3000 at pressure rating from 0.05 to 6.4Mpa .

我公司具有设计、制造压力0.05-6.4Mpa，通径DN15-DN3000的各类蝶阀、闸阀、止回阀、水力自动控制阀、截止阀、球阀、排气阀、方闸、圆闸、过滤器、管道附件等产品能力，产品品种规格达2000余种。

Main production butterfly valve, ball valve, emptying valve, balance valve, gate valve, flat gate valve, plunger valve, hydraulic control valve, power station valve, such as various types of valves and liquid level instrumentation products.

主要生产蝶阀、球阀、放空阀、平衡阀、闸阀、平板闸阀、柱塞阀、水力控制阀、电站阀门等各大类阀门产品及液位仪表。

Has developed high-temperature hard seal ball valve, high pressure forged steel ball valve, double eccentric semi-ball valve, V-ball valve, full welded ball valve Buried, dedicated coal ball valve, as well as the American Standard valve, check valve, shut-off valves, filters, valves, flat gate valve series of high-tech products.

先后研制开发出高温硬密封球阀、高压锻钢球阀、双偏心半球阀、V型球阀、全焊接埋地式球阀、煤粉专用球阀，以及美标闸阀、止回阀、截止阀、过滤器、蝶阀、平板闸阀等一系列高新产品。

All in all, TRZ series elastic sealing gas valve suitable for gas pipelines, particularly suitable for underground gas pipeline, from the study of the situation abroad, many countries have adopted flexible natural gas pipeline valve plate, the same nominal diameter flexible valve plate Compared with the ball, have fire protection features, the price is about 30% lower than the ball, use the same effect.

总而言之，TRZ系列弹性密封燃气闸阀适用于燃气管线，特别适用于地下燃气管线，从国外考察的情况来看，许多国家的天然气管线上都采用弹性平板闸阀，同公称通径弹性平板闸阀与球阀相比，都有防火功能，而价格比球阀低30%左右，使用效果相同。

Along with the stem of the gate valve for linear motion, and called the lift rod valve gate valve is also called the next shot.

闸阀的闸板随阀杆一起作直线运动的，叫升降杆闸阀亦叫明杆闸阀。

Describes the experience in making of brake-valves for double-room vacuum gas quenching furnace especially the working principle of its sealings,function transmission and the technological processes of its key components(valve body,linkage and valve plate),with a force analysis made to the linkage in detail.

介绍了真空热处理技术的优点，总结了双室真空气淬炉中附件&闸阀&的制造经验，阐述了闸阀的密封工作原理、作用、传动以及关键部件的加工制造工艺，同时对连杆机构做了详细的受力分析，并指出&闸阀&制造过程工艺控制的重要性，只有严格控制加工工艺流程才能保证&闸阀&的制造精度，从而满足整台设备的技术参数。

Yangtze River glacier retreat has little to do with human factors Yangtze River glacier retreat has little to do with human factors Shangguan Dong-hui said that the short term, the glacier melt water to the Yangtze River has brought plenty of water, the surface, in the Northwest seems to be a good thing, but this supply led to the uneven seasonal river runoff in winter The early release of melt water, resulting in spring flood summer drought.

Yangtze River glacier retreat has little to do with human factors ；是由上海埃非凯阀门有限公司提供的阀门新闻，中文译文仅供参考(上海埃非凯阀门有限公司还生产疏水阀隔膜阀旋塞阀柱塞阀鸭嘴阀及电动调速蝶阀，气动通风蝶阀，美标波纹管闸阀，c，平行式双闸板闸阀，欢迎您的选购。)长江源冰川的退缩与人为因素关系不大上官冬辉说，短期内，冰川的融水给长江带来了充沛的水量，表面上看，对西北地区似乎是一件好事，但是，这种补给导致江河的径流量季节性不均，冬季的融水提前释放，从而造成春汛夏旱。

Our product line includes: Water Control Valve Series, Series of Multi-function Control Valve for Pump, Soft Sealed Gate Valve Series, Nationally Unprecedented Slot-type Valve Series, Gate Valves, Butterfly Valves, Check Valves, Globe Valves, Balancing Valves, Exhaust Valves, Mud Valves, Motorized Cock Valves, Three Ways Regulating Valves, Temperature Control Valve, Sluice Gates and etc.

生产的主导产品有：水力控制阀系列、多功能水泵控制阀系列、软密封闸阀系列、填补国内空白的沟槽式连接系列阀门、闸阀、蝶阀、止回阀、截止阀、平衡阀、排气阀、排泥阀、电动二通阀/三通调节阀、温控阀、闸门等。

QB Series Knife Gate Valve absorb the advantages of technology and structure both at home and aboard to exclude other knife gate valves' shortcomings when using . This knife gate valve is made up withe body 、disc、stem、stem nut、sealing ring and operation parts.

QB型系列刀闸阀吸取了国内外先进技术和结构优点，排除了其他厂家所产刀闸阀在使用中存在的问题，此阀门主要由阀体、闸板、阀杆、阀杆螺母、密封圈、操作件组成。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。