福建中海德有您急需的備件，詢不到的，買不到的，優(yōu)勢現(xiàn)貨，請聯(lián)系我們！ 優(yōu)勢，低價！ 的產(chǎn)品，的服務(wù)，充足的庫存，歡迎來電詢價，我們將會給您惠的價格！專業(yè)銷售品牌DCS、PLC控制系統(tǒng)備件,主營品牌Foxboro，Tricon，Ovation，Motorola，Xycom，ABB，Allen-Bradley，Schneider，Siemens，GE Fanuc,Yaskawa，Woodward等進(jìn)口自動化系統(tǒng)備件.本著“，誠信服務(wù)，及時到位”的做事態(tài)度長期以往的服務(wù)于每一位新老客戶,因?yàn)槟年P(guān)注我們將加專注。
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Vickers威格士859160DG4V30BMUH760DG4V30BMUH760主要區(qū)別：1.暗桿法蘭閘閥的提升螺桿是只旋轉(zhuǎn)而無上和下移動，外露的只是一根桿，其螺母是固定在閘板上，通過螺桿的旋轉(zhuǎn)來提升閘板，沒有可見的門架；明桿法蘭閘閥的提升螺桿是外露的，螺母緊貼手輪且是固定的（不旋轉(zhuǎn)也不軸向移動），通過旋轉(zhuǎn)螺桿來提升閘板，螺桿與閘板只有相對的旋轉(zhuǎn)運(yùn)動而無相對的軸向位移，外觀為有門形支架。暗桿閥門就是看不見絲杠，而明桿的就是能看見絲桿的。暗桿閥門在開關(guān)時方向盤與閥桿是連接在一起相對不動的，它是通過閥桿在固定點(diǎn)轉(zhuǎn)動來帶動閥瓣向上提升和下閘來完成啟閉的。