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   計量泵依然認真?zhèn)湄汚7VK0028MA/10MRSL4P550-0 

rexroth計量泵有的叫定量泵、比例泵、可控制流量泵等。根據(jù)預(yù)先選定的亮或時間間隔來供給或抽出一定物料的泵，稱為計量泵。計量泵是帶有行程或往復(fù)次數(shù)調(diào)節(jié)的往復(fù)式容積泵。計量泵一般可分為柱塞計量泵和隔膜計量泵的兩大類。

　計量泵應(yīng)用與化工、石油、制藥、采礦、水電、原子能、造紙、水泥及食品等工業(yè)部門中，是一類重要的特殊泵。

計量泵的材質(zhì)：

　rexroth計量泵計量泵材質(zhì)有PVC塑料，不銹鋼304、不銹鋼316L，鑄鐵及襯氟塑料。

　流量范圍:80-1800L/H

壓力范圍: 0-1.0MPA

電機功率: 370W,220V / 380V / 400V, 50/60Hz

驅(qū)動系統(tǒng): 兩相、三相電機或防爆電機

防護等級: IP55

流量控制:手動控制, 自動控制

材料

泵頭: SUS304, SUS316, PVC, PTFE

隔膜:復(fù)合 PTFE

單向閥: SUS304, SUS316, PVC, PTFE

閥球: ZrO2, SUS304, SUS316, 陶瓷

工作條件：

環(huán)境溫度: -30℃ --- 60℃

電機: 兩相、三相標(biāo)準電機或防爆電機

電機功率: 370W,220V / 380V / 400V, 50/60Hz

防護等級: IP55

rexroth計量泵

、性價比高，普遍適用于，壓力要求不高的水處理行業(yè)

2、采用偏心機構(gòu)．整體上*無泄露，可安置于藥槽或管道上。

3、鑄鋁殼體，散熱性能高，整體重量輕，適用各種酸堿藥液，無害無味。

4、接觸介質(zhì)泵頭為PVC、可選PTFE、及不銹鋼材質(zhì)。

5、在泵運行或停止時也可任意調(diào)節(jié)流量也可定量輸出。

6、隔膜計量泵為多層復(fù)合結(jié)構(gòu)壓制而成，

靠前層超韌性Teflon耐酸薄膜，

第二層EPDM彈性橡膠，

第三層厚度3.mm SUS304支撐鐵芯，

第四層采用強化尼龍纖維補強，

第五采用EPDM彈性橡膠*包履，可有效提升隔膜使用壽命。特點:

  各種流量的計量精度重復(fù)性高

  通過帶內(nèi)裝測量刻度的手輪進行手動調(diào)節(jié)流量,調(diào)節(jié)準確,運行平穩(wěn)

  工作壓力可到25Mpa

  進口壓力低,可輸送高粘度液體

  通過特殊的相匹材料和特殊密封的使用,泵零件與泵輸送的材料(多羥基化合物、異氰酸酯)相容。

rexroth計量泵工作原理 :

 高壓計量泵的作用是將機械能轉(zhuǎn)變?yōu)橐簤耗?。?dāng)電動機帶動泵的主軸旋轉(zhuǎn)時,通過連桿柱塞帶動缸體旋轉(zhuǎn),由于缸體軸線與主軸軸線成一夾角,柱塞地缸體內(nèi)作往復(fù)運動,此時缸體內(nèi)的柱塞孔發(fā)生容積變化。當(dāng)容積由小變大時,介質(zhì)從泵的吸入口吸入,經(jīng)配流盤的低壓窗口進入柱塞孔、當(dāng)容積由大變小時,介質(zhì)經(jīng)配流盤的高壓窗口從泵的排出口排出。這樣主軸旋轉(zhuǎn)一周,每個柱塞孔完成一使用條件:

1.油溫:HVK系列計量泵的正常工作溫度一般在-20℃-70℃,高不超過80℃。當(dāng)溫度低于10℃時,應(yīng)采取加熱措施。

2.粘度:工作介質(zhì)使用粘度范圍應(yīng)在1000-4000Mpa·s/25℃。對HVK系列計量泵使用的高粘度介質(zhì)、應(yīng)加溫稀釋至此粘度范圍,并在工作過程中,在泵的軸封蓋上兩螺孔處注入二辛酯,使軸封能正常工作。

3.濾油精度:佳濾油精度為10-20um,低不超過30um。

4.泵的常用工作壓力和轉(zhuǎn)速不應(yīng)超過額定值,瞬時不超過高值。高值一般連續(xù)使用不超過1分鐘,且每班累計不超過10%的工作時間。

5.殼體內(nèi)腔泄漏油允許壓力,不超過0.2Mpa。

計量泵依然認真?zhèn)湄汚7VK0028MA/10MRSL4P550-0 

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