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    LG vacuuum pump
    LG vacuuum pump
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    System
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    WUXI CITY SIFANG VACUUM EQUIPMENT CO.,LTD.
    WEB:http://www.jessicakmiec.com
    E-MAIL:sfpumps@163.com
    TEL:0510-85990421 85990035
    FAX:0510-85993842
    ADD:No.48 Changkang Road, Mashan, Binhu District, Wuxi
     
    Products
    Contents brief introduction
    LGBApplication range of screw vacuum pump
    LGB type screw vacuum pump is the use of a pair of screw, gas pumping equipment high speed synchronous reverse rotation of the suction and exhaust effect in the pump shell, because there is a gap between the screw and the screw, so the pump work, without friction, between smooth operation, low noise, no working chamber lubricating oil, therefore, dry screw pump pumping gas containing water vapor and a small amount of dust; the limit pressure of LGB type screw vacuum pump can reach 5PA, so the LGB type screw vacuum pump can be widely used in many fields of chemical industry, metallurgy, electronics, petroleum, aerospace, papermaking, packaging, and tools food, medicine, medical equipment, and information engineering, biological engineering, microelectronics etc..
     
    Performance characteristics of LGB screw vacuum pump
    1, the working chamber without any medium, you can get a clean vacuum;
    2 、 after high precision dynamic balancing, it can operate at high speed. There is no friction between rotating parts, so the service life is long;
    3, gas in the pump without compression, suitable for extraction of condensable gas;
    4, single pump range of work, can be pumped from atmospheric pressure to less than 100Pa;
    5, the working chamber and screw rotor surface can be anti-corrosion treatment, in order to adapt to bad conditions;
    6, compared with the oil seal type mechanical vacuum pump, condensable substances will not remain in the pump, no oil, gas and oil fog emissions, environmental protection first choice;
    7 compared with the liquid ring pump, only need to be used in cooling water circulation, the pumped gas does not contact with water, to avoid the effects of water temperature on vacuum, easy to recycle materials, can save sewage treatment process, and the lower limit pressure, composition of Roots vacuum screw unit to get more efficient.
    Screw vacuum pump working principle diagram
    Model and main technical parameters
    螺桿真空泵型號
     
    LZ-100
    LZB-200
    抽氣速率(50Hz)
    升/秒(L/s)
    100
    200
    米3/小時(m3/h)
    360
    720
    極限壓力(50Hz)
    帕(Pa)
    ≤100
    ≤100
    最大排氣壓力
    千帕(kPa)
    120
    120
    配用電機功率(50Hz)
    千瓦(kW)
    15
    15
    轉速
    轉/分(rpm)
    2880
    2880
    連接
    進氣口徑
    毫米(mm)
    80
    100
    排氣口徑
    毫米(mm)
    65
    65
    潤滑劑
    前端蓋齒輪油
    升(L)
    1.3
    2.8
    冷卻水
    流量
    升/分鐘(L/min)
    30-35
    30-35
    壓力
    兆帕(MPa)
    0.15-0.25
    0.15-0.25
    進水溫度
    攝氏度(℃)
    ≤25
    ≤25
    接口
     
    G1/2”
    G1/2”
    最高設計溫度
    進氣
    攝氏度(℃)
    ≤50
    ≤50
    排氣
    攝氏度(℃)
    150
    150
    潤滑油
    攝氏度(℃)
    50
    50
    密封類型
    進氣端
     
    油封
    油封
    排氣端
     
    機械密封+油封
    機械密封+油封
    軸伸處
     
    機械密封
    機械密封
    室溫操作范圍
    攝氏度(℃)
    5-40
    5-40
    噪音
    分貝(dB)
    ≤80
    ≤80
    重量(不包括消音器)
    千克(kg)
    665
     
    外形(單泵)
    長X寬X高
    毫米(mm)
    1650X475X680
    1740X570X740
    外形(含消音器、進氣球閥)
    長X寬X高
    毫米(mm)
    1650X847X933
    1740X960X980

    Note: the technical parameters listed in the table are measured under the following conditions:
    (1) the atmospheric pressure is 1.01X105Pa (2) and the cooling water temperature is 15 degrees centigrade
    (3) air temperature is 20 degrees (4) and air humidity is 70%
    (5) the deviation of pumping speed is + 10%

    Significance of pump model LGB-A:
    LZB - screw direct vacuum pump (L means screw, Z indicates direct connection, and B indicates variable pitch).
    A - pumping rate L/S
    Structure sketch map

    1. rear cover 2. deep groove ball bearing 3. oil seal 4. bearing 5. active rotor 6. pump 7. 8. skeleton oil seal sealing ring 9. ring two 10. active positioning disc 11. seal ring three 12. static ring seat 13. mechanical seal a 14. front cover 15. gear 16. sleeve 17. seal ring four 18. front cover 19. seal five 20. 21. 22. motor coupling ring gland 23. mechanical seal two 24. oil pan 25. front bearing cover 26. angular contact ball bearing 27. bearing inner and outer ring spacer 28. bearing washers 29. front bearing seat 30. sealing shaft sleeve 31. passive positioning plate 32. oil seal sleeve 33. driven rotor after 34. positioning plate 35. oil seal ring bearing 36. the lining ring 37. ring six 39. 38. round nut bearing seat cover
     
    久久视频

    All rights reserved:Wuxi City Sefang Vacuum Equipment Co.,Ltd         
    Add:No.48 Changkang Road, Mashan, Binhu District, Wuxi Tel:0510-85990421 85990035
    Technical Support:wxmilai.com 蘇ICP備:0510548號