專(zhuān)業(yè)代理VICKERS齒輪雙聯(lián)泵PVH57QIC-RM-13S
專(zhuān)業(yè)代理VICKERS齒輪泵對(duì)于一臺(tái)泵的轉(zhuǎn)速，實(shí)際上是有限制的，這主要取決于工藝流體，如果傳送的是油類(lèi)，泵則能以很高的速度轉(zhuǎn)動(dòng)，但當(dāng)流體是一種高粘度的聚合物熔體時(shí)，這種限制就會(huì)大幅度降低。
推動(dòng)高粘流體進(jìn)入吸入口一側(cè)的兩齒空間是非常重要的，如果這一空間沒(méi)有填充滿(mǎn)，則泵就不能排出準(zhǔn)確的流量，所以PV值（壓力×流速）也是另外一個(gè)限制因素，而且是一個(gè)工藝變量。由于這些限制，齒輪泵制造商將提供一系列產(chǎn)品，即不同的規(guī)格及排量（每轉(zhuǎn)一周所排出的量）。這些泵將與具體的應(yīng)用工藝相配合，以使系統(tǒng)能力及價(jià)格達(dá)到*。
專(zhuān)業(yè)代理VICKERS齒輪泵的齒輪與軸共為一體，采用通體淬硬工藝，可獲得更長(zhǎng)的工作壽命。“D”型軸承結(jié)合了強(qiáng)制潤(rùn)滑機(jī)理，使聚合物經(jīng)軸承表面，并返回到泵的進(jìn)口側(cè)，以確保旋轉(zhuǎn)軸的有效潤(rùn)滑。這一特性減少了聚合物滯留并降解的可能性。精密加工的泵體可使“D”型軸承與齒輪軸精確配合，確保齒輪軸不偏心，以防齒輪磨損。Parkool密封結(jié)構(gòu)與聚四氟唇型密封共同構(gòu)成水冷密封。這種密封實(shí)際上并不接觸軸的表面，它的密封原理是將聚合物冷卻到半熔融狀態(tài)而形成自密封。也可以采用Rheoseal密封，它在軸封內(nèi)表上加工有反向螺旋槽，可使聚合物被反壓回到進(jìn)口。為便于安裝，制造商設(shè)計(jì)了一個(gè)環(huán)形螺栓安裝面，以使與其它設(shè)備的法蘭安裝相配合，這使得筒形法蘭的制造更容易。
專(zhuān)業(yè)代理VICKERS齒輪泵帶有與泵的規(guī)格相匹配的加熱元件，可供用戶(hù)選配，這可保證快速加溫和熱量控制。與泵體內(nèi)加熱方式不同，這些元件的損壞只限于一個(gè)板子上，與整個(gè)泵無(wú)關(guān)。
齒輪泵由一個(gè)獨(dú)立的電機(jī)驅(qū)動(dòng)，可有效地阻斷上游的壓力脈動(dòng)及流量波動(dòng)。在齒輪泵出口處的壓力脈動(dòng)可以控制在1％以?xún)?nèi)。在擠出生產(chǎn)線(xiàn)上采用一臺(tái)齒輪泵，可以提高流量輸出速度，減少物料在擠出機(jī)內(nèi)的剪切及駐留時(shí)間，降低擠塑溫度及壓力脈動(dòng)以提高生產(chǎn)率及產(chǎn)品質(zhì)量
專(zhuān)業(yè)代理VICKERS齒輪雙聯(lián)泵PVH57QIC-RM-13S
專(zhuān)業(yè)代理VICKERS齒輪泵常用型號(hào)：
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