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三(sān)螺杆成(chéng)品泵的水壓試驗和選泵要點The hydrostatic test of three screw finished pump and pump
發布時間：2014-11-21 8:41:35 點擊次數：

三螺杆泵水壓試驗Hydrostatic test

   我廠在成品泵完(wán)成後，需要進行水壓試驗，在進口(kǒu)法(fǎ)蘭處裝入端蓋，對于45B的三(sān)螺杆泵，通(tōng)入0.6MPa的(de)大氣壓，把(bǎ)整個成品泵沉(chén)入水中，觀察是否有氣泡。得到泵體、後蓋、密封(fēng)壓蓋(gài)等零部件處是(shì)否因為鑄(zhù)件沙眼、密封不夠、螺絲松牙等原因漏氣。I plant after completion of the finished product pump, water pressure test is required, at the inlet flange at the load end cover, three screw pump for 45 b, ventilation with atmospheric pressure of 0.6 MPa, the entire finished product pump submerged in the water, observe whether there is a bubble.Get the pump body, back cover, gland and other parts to inquire whether because the casting trachoma, seal is not enough, due to reasons such as flat screw loose teeth.
 
三螺杆泵(bèng)選(xuǎn)泵要點Optional pump points
    ①首先應根據油(yóu)品的粘度選擇适當的泵轉速(sù)，以保證泵的粘度能(néng)滿足用戶的實際吸入條(tiáo)件。the first select the appropriate pump speed should be based on the viscosity of the product, to ensure that the viscosity of the pump can satisfy the user's actual suction conditions.
    ②介質粘度V>760 /s，請與我廠聯(lián)系，我廠幫助用戶選泵。 medium viscosity V > 760 / s, please contact our factory, our factory to help users choose the pump.
    ③從性能表中(zhōng)選定泵的規格及相應粘度下(xià)的(de)壓力流(liú)量後，可以查到泵的(de)配套電機功率。Selected in the table (3) from the performance of the specifications of the pump and the corresponding viscosity under pressure flow, you can check the pump motor power.
    ④樣本安裝尺寸均為卧式安裝尺寸，若(ruò)需其餘(yú)形式安裝尺寸請與我廠聯系。 the installation size of samples for horizontal installation size, if you need the rest of the installation dimensions form please contact with our factory.
    ⑤我廠可根據客戶的(de)實際需要設計特殊尺寸。Our factory can design according to customer's actual needs special size.
    ⑥三螺杆泵的進口需加裝過濾器(qì)，過濾器過流面積應為泵進口截面積的7～13倍，過濾目數應為：輕油80～100，潤滑油60～80目，重油40目。 pump imports to be equipped with filter, filter over-current area shall be the pump inlet area of 7 ~ 13 times, filter mesh should be followed: light oil 80 ~ 100, 60 ~ 80 mesh of lubricating oil, heavy oil 40 mesh.