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計(jì)量泵依然認(rèn)真?zhèn)湄汚7VK0028MA/10MRSL4P550-0
rexroth計(jì)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(shí)間間隔來(lái)供給或抽出一定物料的泵，稱為計(jì)量泵。計(jì)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(jì)量泵一般可分為柱塞計(jì)量泵和隔膜計(jì)量泵的兩大類。
計(jì)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(jì)量泵的材質(zhì)：
rexroth計(jì)量泵計(jì)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(jī)功率: 370W,220V / 380V / 400V, 50/60Hz
驅(qū)動(dòng)系統(tǒng): 兩相、三相電機(jī)或防爆電機(jī)
防護(hù)等級(jí): IP55
流量控制:手動(dòng)控制, 自動(dòng)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(jī): 兩相、三相標(biāo)準(zhǔn)電機(jī)或防爆電機(jī)
電機(jī)功率: 370W,220V / 380V / 400V, 50/60Hz
防護(hù)等級(jí): IP55
rexroth計(jì)量泵
、性價(jià)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(jī)構(gòu)．整體上*無(wú)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(wú)害無(wú)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(yùn)行或停止時(shí)也可任意調(diào)節(jié)流量也可定量輸出。
6、隔膜計(jì)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(qiáng)化尼龍纖維補(bǔ)強(qiáng)，
第五采用EPDM彈性橡膠*包履，可有效提升隔膜使用壽命。特點(diǎn):
各種流量的計(jì)量精度重復(fù)性高
通過(guò)帶內(nèi)裝測(cè)量刻度的手輪進(jìn)行手動(dòng)調(diào)節(jié)流量,調(diào)節(jié)準(zhǔn)確,運(yùn)行平穩(wěn)
工作壓力可到25Mpa
進(jìn)口壓力低,可輸送高粘度液體
通過(guò)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(jì)量泵工作原理 :
高壓計(jì)量泵的作用是將機(jī)械能轉(zhuǎn)變?yōu)橐簤耗堋．?dāng)電動(dòng)機(jī)帶動(dòng)泵的主軸旋轉(zhuǎn)時(shí),通過(guò)連桿柱塞帶動(dòng)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(yùn)動(dòng),此時(shí)缸體內(nèi)的柱塞孔發(fā)生容積變化。當(dāng)容積由小變大時(shí),介質(zhì)從泵的吸入口吸入,經(jīng)配流盤的低壓窗口進(jìn)入柱塞孔、當(dāng)容積由大變小時(shí),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(gè)柱塞孔完成一使用條件:
1.油溫:HVK系列計(jì)量泵的正常工作溫度一般在-20℃-70℃,高不超過(guò)80℃。當(dāng)溫度低于10℃時(shí),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(duì)HVK系列計(jì)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(guò)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(guò)30um。
4.泵的常用工作壓力和轉(zhuǎn)速不應(yīng)超過(guò)額定值,瞬時(shí)不超過(guò)高值。高值一般連續(xù)使用不超過(guò)1分鐘,且每班累計(jì)不超過(guò)10%的工作時(shí)間。
5.殼體內(nèi)腔泄漏油允許壓力,不超過(guò)0.2Mpa。
計(jì)量泵依然認(rèn)真?zhèn)湄汚7VK0028MA/10MRSL4P550-0
rexroth計(jì)量泵淺談一二備貨系列
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計(jì)量泵依然認(rèn)真?zhèn)湄汚7VK0028MA/10MRSL4P550-0
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