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金屬密封蝶形切斷控制閥
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- 北京瑞拓江南自控設(shè)備有限公司
- 2018-05-15 13:18:28
- 375
【簡(jiǎn)單介紹】
【詳細(xì)說明】
1.產(chǎn)品結(jié)構(gòu) production structure
各部件金屬對(duì)金屬表面的沒有滑動(dòng)磨損----------實(shí)現(xiàn)長(zhǎng)壽命、無維護(hù)
*、執(zhí)行機(jī)構(gòu)傳動(dòng)中，采用高科技材料的滾筒撥叉結(jié)構(gòu)，動(dòng)作平穩(wěn)，沒有傳動(dòng)死區(qū)，沒有機(jī)械磨損。
第二、氣缸內(nèi)壁采用燒結(jié)還氧涂層，加上低磨擦的活塞密封圈、支撐圈和高效穩(wěn)定的密封脂，可以保證*平滑的動(dòng)作，不需要額外添加潤(rùn)滑油，無需保養(yǎng)工作。
作為標(biāo)準(zhǔn)化設(shè)計(jì)，執(zhí)行機(jī)構(gòu)符合DIN3337/ISO5211，VDI/VDE3845（Namur）的標(biāo)準(zhǔn)，這使安裝變得簡(jiǎn)單，并可以很容易地裝配電磁閥、定位器等附件。 
第三、斜錐面金屬密封蝶閥設(shè)計(jì)采用了一個(gè)雙偏心和一個(gè)斜錐面密封結(jié)構(gòu)，實(shí)現(xiàn)蝶板在開啟瞬間，密封面隨即分離，關(guān)閉接觸時(shí)，密封圈擠壓后，自身微量變形，實(shí)現(xiàn)密封，
而密封付之間，沒有金屬對(duì)金屬表面的滑動(dòng)摩擦，這樣大大延長(zhǎng)了密封件的使用壽命, 達(dá)到啟閉輕松自如，密封自動(dòng)補(bǔ)償。
A. In the running of transmission, roller scotch Yoke was used, the action is steady and no friction
B. The inner of cylinder is sinter epoxy painting. Low-friction seal ensures smooth, rotary motion and require no additional lubrication,therebyreducing maintenance costs.
As standard, all actuators have connections that comply with DIN3337/ISO5211，VDI/VDE3845（Namur）.This simplifies mounting and makes it easier to fit accessories such as solenoid valve, position indicators and the like.
C.Triple Eccentric Metal-seated Butterfly Valve adopts a double-eccentric and a Sideling Cone surface. This can separate the seal surface. When close it, the seal ring was extrusion so as to make a little changable.This realized seal. Without friction between metals, prolonging the life of the seal products. 
2. 性能 characters
錐面金屬密封蝶閥應(yīng)用技術(shù)結(jié)構(gòu)形式：采用了可浮動(dòng)的密封環(huán)，密封環(huán)在閥體上可以依閥板關(guān)閉時(shí)，靠推力適當(dāng)調(diào)整自身的位置，這樣可浮動(dòng)的密封圈，可以補(bǔ)償閥門在不同工況，如高溫、管道應(yīng)力等產(chǎn)生的變形、熱膨脹等因素，消除變形的影響，確保密封吻合、比壓均勻，從本質(zhì)上*解決了，金屬對(duì)金屬硬密封泄漏的難題，實(shí)現(xiàn)金屬密封零泄漏。
Triple Eccentric Metal-seated Butterfly Valve absorbs the advantages: floating seal ring is adopted and the seal ring is capable of self-adjustment by the pressure of disc when closing so as to compensate the possible deformation or heat expansion under different working conditions, such as high temperature, damage to the face, resulting an even contact pressure ration.So, the seal leakage problem as a result of temperature change is solved compley.
3.切斷密封原理--扭矩密封 Sealing elements-- torque
通過扭矩力 帶動(dòng)密封面微量變形實(shí)現(xiàn)密封 安全 可靠
The seal face changed a little through torque realizing seal safety reliability
RC200的設(shè)計(jì)是以經(jīng)過時(shí)間檢驗(yàn)的撥叉結(jié)構(gòu)為基礎(chǔ)的，這個(gè)結(jié)構(gòu)可以在活塞剛開始運(yùn)動(dòng)及運(yùn)動(dòng)結(jié)束時(shí)提供大的扭矩。這個(gè)特點(diǎn)特別適合閥門的應(yīng)用，閥門在轉(zhuǎn)動(dòng)過程中,保持固定的扭矩，在與閥座分離及密封時(shí)， 撥叉?zhèn)鲃?dòng)執(zhí)行機(jī)構(gòu)提供比同規(guī)格齒輪齒條傳動(dòng)大20%的力矩輸出，實(shí)現(xiàn)了，斜錐面金屬密封蝶閥，扭矩力面密封，通過較大力矩帶動(dòng)密封面擠壓，保障了密封性能。
The RC200 series is based on our time-tested Scotch Yoke principle which provides high torque at the beginning and end of each operation. This feature is especially valuable in applications where a valve remains stationary throughout long periods, or has a high break-away and seating torque. Remote Control scotch Yoke offer more 20% output torque than the same standard gear and rack., so as to realize seal depend on torque,ensures seal performance.
4. 故障時(shí)安全可靠復(fù)位 Spring return when malfunction
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