電動V型對夾球閥產(chǎn)品概述

本公司生產(chǎn)的電動V型對夾球閥，由電子式電動執(zhí)行機(jī)構(gòu)和V型球閥組成，是一種由V型切口球面閥板在小開度范圍內(nèi)貼著密封面旋轉(zhuǎn)而控制流體的角行程調(diào)節(jié)閥。V型切口球面板在增大調(diào)節(jié)比的同時，在截流時對密封環(huán)還有剪切作用，因此適用于要求大調(diào)節(jié)比的控制系統(tǒng)，以及對含纖維質(zhì)流體、料漿類流體的控制。適用于兩位切斷、調(diào)節(jié)的場合，采用一體化結(jié)構(gòu)，電動執(zhí)行機(jī)構(gòu)內(nèi)置伺服系統(tǒng)，輸入4-20mA控制信號或1-5VDC及220VAC電源即可控制運轉(zhuǎn)。具有連線簡單，結(jié)構(gòu)緊湊、尺寸小、重量輕、阻力小、動作穩(wěn)定可靠等優(yōu)點。廣泛應(yīng)用于石油、化工、電力、冶金、鋼鐵、造紙、醫(yī)藥、食品、紡織、輕工等行業(yè)。

主要特點

1、不帶任何管接頭的整體式閥體，因此不受管道或螺栓應(yīng)力影響，并且由于閥體無任何管接頭，故耐壓殼體不會受壓力“突變”的影響；
2、具有一個V型閥體，即使在小流量或高粘度介質(zhì)的情況下，也可在整個量程范圍內(nèi)，保證控制的精確性；
3、防漏耐用的閥座在其外徑處襯有帶不銹鋼內(nèi)芯PTFE杯形或是O型密封圈，閥座用截面較大的鎢鈷硬質(zhì)合金制成，通過一個合金的波紋彈簧進(jìn)一步增強(qiáng)了閥座的結(jié)構(gòu)；
4、當(dāng)閥門關(guān)閉時，V型缺口與閥座之間產(chǎn)生楔形剪切作用，并既具有自潔功能又可防止球芯卡死，特別適用于管線結(jié)垢凍結(jié)或含有纖維和顆粒固體場合。

主要技術(shù)參數(shù)

閥體

閥內(nèi)件

執(zhí)行機(jī)構(gòu)

注：如需詳細(xì)執(zhí)行器參數(shù)，請進(jìn)入電動執(zhí)行器頁面進(jìn)行查閱。

主要性能指標(biāo)

主要零件材料 

主要外形及連接尺寸

注：以上參數(shù)均為PN1.6MPa為準(zhǔn)，其他壓力等級請咨詢公司技術(shù)部，表中尺寸為不帶標(biāo)準(zhǔn)附件數(shù)據(jù)，另由于產(chǎn)品改進(jìn)技術(shù)創(chuàng)新參數(shù)可能有一定變化，請咨詢公司技術(shù)部門索取數(shù)據(jù)。

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