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Shanghai Yulong Vacuum Pump Co., Ltd.

Roots, Booster manufacturer / supplier in China, offering Roots Vacuum Pump, Yhzkb Yulong Sk-4.5D 7.5kw DC Single Stage Micro Liquid Ring Vacuum Air Pump for Sale, 2bea Liquid Ring Vacuum Pump with Ce Certificate / Water Ring Vacuum Pump and so on.

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Roots Vacuum Pump

FOB Price: US $200-20,000 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $200-20,000/ Piece
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Production Capacity: 300
Transport Package: Polywooden Cases
Payment Terms: T/T, D/P, Western Union

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Basic Info
  • Model NO.: ZJB
  • Exhauster Method: Positive Displacement Pump
  • Work Function: Mainsuction Pump
  • Certificate: Ce,ISO9001,TUV,SGS
  • Trademark: YHZKB
  • Origin: Anhui
  • Structure: Rotary Vacuum Pump
  • Vacuum Degree: High Vacuum
  • Working Conditions: Dry
  • Product Name: Roots Vacuum Pump
  • Specification: CE, SGS, TUV, ISO9001
  • HS Code: 84141000
Product Description

The main advantage of Roots vacuum pump is that it can operate with high pumping
speed under lower suction pressures, however, has to be backed by a backing pump.
(See Fig.3) Under normal working conditions, it is permissible to not add by-pass pipes.
Roots vacuum pump should not operate with a higher-pressure difference than allowable,
otherwise overheating and overload will cause damage of Roots vacuum pump.
Therefore, proper backing pump and necessary protection devices must be considered.

 
ModelZJB-30ZJB-70ZJB-150ZJB-300ZJB-600ZJB-1200
Extract Capacity (L/S)30701503006001200
Ultimate Vacuum(Pa)≤3*10-2
RPM(r/min)277028702900145029001450
Motor(Kw)0.751.5345.511
Noise dB(A)≤78≤78≤82≤83≤86≤90
Inlet diameter (mm)5080100150150300
Outlet diameter (mm)4050100150150300
Weight (Kg)751002154805031580


NOTES:
1.  Ultimate pressure (Pa) value is measured by mercury McLeod vacuum gauge.
2.  Pumping speed refers to maximum pumping speed measured when Roots vacuum
pump is connected with a recommended backing pump with an inlet pressure ranging
from 67Pa to 2. 7Pa.
7
3.  Ultimate pressure refers to lowest value of stable partial pressure measured at inlet
port of a Roots pump without any additional vessels after sufficient suction with inlet
of it tightly closed by a blank flange when connected with a recommended backing
pump.
4.  Each performance above the list is obtained under recommended backing pump.
Customers can select backing pump suitable for the intended application, but its main
performance index may have some changes. 
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