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什么是高壓閥門已經(jīng)他的優(yōu)點(diǎn)

來(lái)源:http://www.yantaidengju.com/ 日期:2022-02-17 發(fā)布人:admin
高壓閘閥的啟閉件是閘板,閘板的運(yùn)動(dòng)方向與流體方向相垂直,閘閥只能作全開和全關(guān) , 不能作調(diào)節(jié)和節(jié)流。閥桿的運(yùn)動(dòng)形式,有升降桿式-閥桿升降,手輪不升降,也有升降旋轉(zhuǎn)桿式-手輪與閥桿一起旋轉(zhuǎn)升降,螺母設(shè)在閥體上。
The opening and closing part of the high-pressure gate valve is the gate, and the movement direction of the gate is perpendicular to the fluid direction. The gate valve can only be fully opened and closed, not adjusted and throttled. The movement forms of the valve rod include lifting rod type - valve rod lifting, the hand wheel does not lift, or lifting rotating rod type - the hand wheel rotates and lifts with the valve rod, and the nut is set on the valve body.
什么是高壓閘閥?有哪些特點(diǎn)?
What is high pressure gate valve? What are the characteristics?
(一)高壓閘閥產(chǎn)品特點(diǎn)
(1) Product features of high pressure gate valve
1、采用中法蘭螺栓連接,支管兩端為法蘭連接結(jié)構(gòu)。
1. The middle flange bolt connection is adopted, and the two ends of the branch pipe are flange connection structure.
2、閥座密封面采用鐵基鉻鎳不銹鋼堆焊而成,耐磨、抗擦傷性能好。
2. The sealing surface of the valve seat is made of iron-based chromium nickel stainless steel, with good wear resistance and scratch resistance.
3、閥桿表面經(jīng)抗蝕性氮化處理,具有良好的抗腐蝕性和抗擦傷性。
3. The surface of the valve stem is subject to corrosion resistance nitriding treatment, which has good corrosion resistance and scratch resistance.
4、閥門的關(guān)閉和開啟由裝在閥蓋上的電動(dòng)裝置來(lái)控制。電動(dòng)裝置分別配有閥門專用電機(jī)、減速箱、轉(zhuǎn)矩控制機(jī)構(gòu)、行程控制機(jī)構(gòu)、現(xiàn)場(chǎng)操作機(jī)構(gòu),手、電動(dòng)切換機(jī)構(gòu)。閥門的開關(guān)均由行程控制機(jī)構(gòu)調(diào)整,調(diào)整轉(zhuǎn)矩限制機(jī)構(gòu),可以在行程控制機(jī)構(gòu)失靈的情況下,保護(hù)閥門。閥門關(guān)閉主要通過(guò)電動(dòng)裝置及能夠調(diào)整的楔式雙閘板、萬(wàn)向頂、夾圈等組成,借閥體內(nèi)導(dǎo)向作升降運(yùn)動(dòng)。
4. The closing and opening of the valve are controlled by an electric device installed on the valve cover. The electric device is equipped with special motor for valve, reducer, torque control mechanism, stroke control mechanism, field operation mechanism and manual and electric switching mechanism. The valve switches are adjusted by the travel control mechanism, and the torque limiting mechanism is adjusted to protect the valve in case of failure of the travel control mechanism. The closing of the valve is mainly composed of electric device and adjustable wedge double ram, universal top, clamping ring, etc., and the lifting movement is carried out through the guidance of the valve body.
5、電動(dòng)裝置除能就地操作外,還可進(jìn)行遠(yuǎn)距離操作。
5. In addition to local operation, the electric device can also be operated remotely.
(二)高壓閘閥結(jié)構(gòu)特點(diǎn)及用途
(2) Structural characteristics and application of high pressure gate valve
1、電動(dòng)高壓閘閥結(jié)構(gòu)緊湊、設(shè)計(jì)合理,閥門剛性好,通道流暢,流阻系數(shù)小。
1. The electric high-pressure gate valve has compact structure, reasonable design, good valve rigidity, smooth channel and small flow resistance coefficient.
2、高壓電站閘閥密封面采用不銹鋼和硬質(zhì)合金,使用壽命長(zhǎng)。
2. The sealing surface of high-pressure power station gate valve adopts stainless steel and cemented carbide, with long service life.
3、電動(dòng)高壓閘閥采用柔性石墨填料、密封可靠、操作輕便靈活。
3. The electric high-pressure gate valve adopts flexible graphite packing, with reliable sealing and light and flexible operation.
4、驅(qū)動(dòng)方式分手動(dòng)、電動(dòng)、氣動(dòng)、齒輪傳動(dòng),結(jié)構(gòu)型式:彈性楔式單閘板閘閥、剛性楔式單閘板閘閥和雙閘板閘閥。
4. The driving mode is divided into pneumatic, electric, pneumatic and gear transmission, and the structural type is elastic wedge single gate valve, rigid wedge single gate valve and double gate valve.
5、高壓電站閘閥廣泛適用于石油化工、火力發(fā)電廠等油品、水蒸汽管路上作接通或截?cái)喙苈分薪橘|(zhì)的啟閉裝置。
5. High pressure power station gate valves are widely used in petrochemical, thermal power plants and other oil and steam pipelines as opening and closing devices to connect or cut off the medium in the pipeline.

熱銷產(chǎn)品:   執(zhí)行驅(qū)動(dòng)裝置 通用工業(yè)閥門 冶金工業(yè)閥門 水利水務(wù)閥門 石油化工閥門 電力電站閥門 核電軍工閥門

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