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Roots vacuum Pumps For PVD Coating Machines

Min.Order Quantity: 1 Set/Sets Roots vacuum Pumps For PVD Coating Machines

Supply Ability: 400~700 Set/Sets per Month Roots vacuum Pumps For PVD Coating Machines

Payment Terms: L/C,T/T,


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 Roots  Vacuum  pumps,often  referred  to  as  mechanical  boost  pumps,are  ideal  for  evacuating  gas  from  sealed  containers.being  unable  to  compress  against  atmospheric  pressure.Roots  pumps  are  normally  used  in  combination  with  backing  pumps  such  as  rotary  vane  pumps,liquid  ring  pumps  and  oil-sealed  rotary  piston  vacuum  pumps.They  find  wide  application  in  the  fields  of  metallurgy,chemical  industry,electronics  and  textile,etc.

 
 
Design  features:
 
The  pumped  gas  is  delivered from  top  to  bottom  vertically.
High  pumping  speed  in  a  wide  pressure  range.
Fast  starting.
Insensitive  to  dust  and  water  vapour  contained  in  gas.
Oil-free  pump  chamber  helpful  for  obtaining  clean  vacuum.
Weak  vibration  and  low  noise.
Low  drive  power  and  low  cost  for  running  and  maintenance.
 
NOTES:
DO  NOT  evacuate  liquid  media.
DO  NOT  evacuate  inflammable  or  explosive  gas.
Backing  pumps  should  be  used.
It  is  suggested  to  equip  a  fiter  at  the  in  let  if  the  gas  to  be  pumped  contains  solid  particles.
 
 
Advantages:
 
The series of roots pumps,as a result of new technology in the structural design and more advanced and reasonable manufacturer process,bear the following advantages:
 
Weak  vibration  and  low  noise:
Due to high-accurate dynamic balance tachnology,helical gears made by a specialized manufacturer and imported bearings.
 
Effective elimination of oil leak:
BY means of imported shaft seal and labyrinth piston design.
Evacuation of high boiling point working media(with the exception of model ZJP-1200):
BY means of protection gas syatem. 
Can do overload protection can be achieved:
BY seting relief valve.
Easy testing and measuring:
BY use of special ports at inlet and outlet for testing and and measuring.
Connection of  the  system:
Through arrangement of severa  exhausting ports for different modes such as side or bottom evacuation.

  

Model      Unit ZJP-30 ZJP-70 ZJP-150 ZJP-300 ZJP-600 ZJP-1200
Nominal volume flow rate L/S 30 70 150 300 600 1200
Max volume flow rate L/S 35 80 172 340 700 1280
Ultimate pressure Pa 3×10-2 3×10-2 3×10-2 3×10-2 3×10-2 3×10-2
Max pemissiable pressure difference Pa 1×104 1×104 8×103 8×103 5×103 5×103
Max compression ratio at zero flow   ≥30 ≥35 ≥40 ≥40 ≥45 ≥50
Starting pressure Pa 1×103 1×103 1×103 1×103 1×103 1×103
Noise dB(A) 72 73 76 77 80 83
Motor power Kw 0.55 1.1 2.2 4 5.5 11
Rotating speed r/min 2825 2825 2840 2890 2900 2930
Lubricant oil filling L 1.5 2 3.5 3.5 4 8
Weight Kg 75 125 175 280 480 800
Recommended backing pump   2X-8 2X-15 2X-30 2X-70 ZJP-15+2X-30 ZJP-300+2X-70


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