進(jìn)口帶平臺(tái)三通法蘭球閥
德國(guó)托普進(jìn)口帶平臺(tái)三通法蘭球閥技術(shù)參數(shù)：
口徑:DN15-200 材質(zhì)WCB.304.316.316L
壓力：PN16-PN40 控制方式：手動(dòng)、氣動(dòng)、電動(dòng)
密封材料：PTFE、304工作溫度：-20℃至+150℃(特殊定做+450°)
產(chǎn)品特點(diǎn)：
1、三通球閥在結(jié)構(gòu)上采用一體化結(jié)構(gòu)，4面閥座的密封型式，法蘭聯(lián)接少，可靠性高，設(shè)計(jì)實(shí)現(xiàn)了輕量化。
2、三通球芯分T形和L形，使用壽命長(zhǎng)，流通能力大，阻力小。
3、球閥按作用式分單作用和雙作用兩種型式，單作用式的特點(diǎn)是一旦動(dòng)力源發(fā)生故障時(shí)，球閥將處于控制系統(tǒng)要求的狀態(tài)。
Germany imported platform with three flanged ball valve product features:
1, the three way ball valve in the structure of the integrated structure, the sealing surface of the valve seat of the 4 types, flange connection, high reliability, lightweight design.
2, three ball cores T and L shape, long service life, large flow capacity, small resistance.
3, according to the role of single action and double action two types, single action type is characterized by the failure of the power source, the ball will be in the state of control system requirements.
工作原理：
一、開啟過(guò)程
1在關(guān)閉位置，球體受閥桿的機(jī)械施壓作用，緊壓在閥座上。
2當(dāng)逆時(shí)針轉(zhuǎn)動(dòng)手輪時(shí)，閥桿則反向運(yùn)動(dòng)，其底部角形平面使球體脫開閥座。
3閥桿繼續(xù)提升，并與閥桿螺旋槽內(nèi)的導(dǎo)銷相互作用，使球體開始無(wú)摩擦地旋轉(zhuǎn)。
4直至到全開位置，閥桿提升到極限位置，球體旋轉(zhuǎn)到全開位置。
二、關(guān)閉過(guò)程
1關(guān)閉時(shí)，順時(shí)針旋轉(zhuǎn)手輪，閥桿開始下降并使球體離開閥座開始旋轉(zhuǎn)。
2繼續(xù)旋轉(zhuǎn)手輪，閥桿受到嵌于其上螺旋槽內(nèi)的導(dǎo)銷的作用，使閥桿和球體同時(shí)旋轉(zhuǎn)90°。
3 快要關(guān)閉時(shí)，球體已在與閥座無(wú)接觸的情況下旋轉(zhuǎn)了90°。
4手輪轉(zhuǎn)動(dòng)后幾圈，閥桿底部的角形平面機(jī)械地楔向壓迫球體，使其緊密地壓在閥座上，達(dá)到*密封。
First, the opening process
1 in the closed position, the ball by the stem mechanical pressure, pressure on the seat.
2 when the handwheel counterclockwise, the stem is the reverse movement, the bottom of the angular plane to disengage the ball seat.
3 stem continues to rise, and with the stem spiral groove guide pin interaction, so that the ball began to spin without friction.
4 until fully open position, the valve stem to the limit position, the ball to the full open position.
Two, closing process
1 turn the handwheel clockwise when the valve is closed, the stem begins to fall and the ball begins to rotate.
2 continue to rotate the hand wheel, the valve stem is embedded in the spiral groove on the role of the guide pin, the stem and the ball at the same time rotate 90 degrees.
3 is about to close, the ball has been no contact with the valve seat under the condition of rotating 90 DEG.
4 hand wheel rotation after a few laps, the stem at the bottom of the angle of the plane mechanical wedge to the compression of the ball, so that it is tightly pressed on the seat, to achieve full sealing.
如何安裝？
（1）取掉法蘭端兩邊的保護(hù)蓋，在閥*打開的狀態(tài)下進(jìn)行沖洗清潔。
（2）安裝前應(yīng)按規(guī)定的信號(hào)（電或氣）進(jìn)行整機(jī)測(cè)試（防止因運(yùn)輸產(chǎn)生振動(dòng)影響使用性能），合格后方可上線安裝（接線按電動(dòng)執(zhí)行機(jī)構(gòu)線路圖）。
（3）準(zhǔn)備與管道連接前，須沖洗和清除干凈管道中殘存的雜質(zhì)（這些物質(zhì)可能會(huì)損壞閥座和球）。
（4）在安裝期間，請(qǐng)不要用閥的執(zhí)行機(jī)構(gòu)部分作為起重的吊裝點(diǎn)，以避免損壞執(zhí)行機(jī)構(gòu)及附件。
（5）本類閥應(yīng)安裝在管道的水平方向或垂直方向。
