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                HG2HSeries Rotary Piston Vacuum Pumps
               
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                Series ZJP Roots Vacuum Pumps
               
                Series ZJ Roots Vacuum pumps
               
                Series ZJPC & ZJC Magnetic Drive Roots Vacuum pump
               
                Series ZJQ Gas-Cooling Roots Vacuum pump
               
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                JZP(2)HX Roots Pump Systems With Rotary Pistion Pumps
               
                JZP2S Roots Pump Systems With Water(Oil)Ring Vacuum Pumps
               
                JZP2SP Roots Pump Systems With Air Ejetor And Water Ring Vacuum Pumps  
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              Series ZJP Roots Vacuum Pumps

                 
                   The series ZJP roots vacuum pump is with overflow valve. The figure-of-eight rotors are counter-rotating at a constant speed inside the pump housing for suction and exhaust of gas. Two rotors are supported by two bearings and synchronized by a pair of gear, which ensure these two rotors in certain relative positions. They are near to one anther and to the housing without actual contacting ,so lubrication is unnecessary in the working housing. The carefully balance operating parts and high precision bevel wheels ensure the pump be operated stably and continuously under the condition of high-pressure difference. Dynamic seal part use our patent technology and imported oil seals.The vibration of shaft at the shaft seals is controlled to less than 0.02mm against oil leaking. A gravity valve is installed between the suction and exhaust part of the pump. The function of the gravity valve is as follows,when the pressure difference between the suction and exhaust part is over the weight of the valve, the valve opens automatically,which makes the pressure difference always keep in a fixed controllable valve,This valve is the allowable highest pressure difference to ensure the pump work normally and so that in fact, the roots vacuum pump with overflow valve is a kind of overload self-protective pump. Series ZJP roots vacuum pump with overflow valve has substantially higher speed at relatively lower inlet pressure and it is possessed overload self-prtotecive function . The Pump is machined by CNC manufacturing center. "O" rings are used for sealing the pump body, two sidecovers and two end covers. All parts of pump have good compatibility, so the overhaulis very easy. The pump can't be operated in dividually and should be used in connection with backing vacuum pump. The screw pump, oil seal pump and water ring pump are all suitable as backing pump for Roots pump. The Roots pump can beused to pump a mass of condensable gases when it connected with a screw pumkp or water ring pump.
               
              Construction Scheme
                 
                   1.Pump housing
                   2.Rotor
                   3.4.Gas outlet      5.Poise
                   6.Pilot valve cover      7.Gas inlet
               
               
              Performance Parameter
                 
              Model
              Ultimate Partial Pressure
              (Pa)
              Pumping Speed
              (L/S)
              Pressure diff.at Overflow Valve(HPa)
              Inlet Diam.
              (mm)
              Outlet Diam.(mm)
              Motor Power
              (kw)
              Recommended Backing Pump
              Cooling Water Consumptoin
              (L/min)
              Weight
              (KG)
              ZJP-30
              ZJPC-30
              3x10-2
              30
              40
              50
              40
              0.75
              2XZ-8
              4
              -
              80
              ZJP-70
              ZJPC-70
              70
              40
              80
              50
              1.1
              2XZ-12
              4
              -
              98
              ZJP-70D
              ZJPC-70D
              70
              48
              100
              100
              1.5
              2H-15
              5
              -
              220
              ZJP-150
              ZJPC-150
              150
              48
              100
              100
              2.2
              2H-30
              5
              -
              220
              ZJP-300
              ZJPC-300
              5x10-2
              300
              58
              150
              150
              4
              HGL-70
              6
              -
              310
              ZJP-600
              ZJPC-600
              600
              32
              200
              200
              7.5
              HG-150
              HGL-150
              8
              630
              ZJP-1200
              ZJPC-1200
              1200
              44
              250
              200
              11
              HG-150
              HGL-150
              10
              815
              ZJP-1800
              ZJPC-1800
              1800
              32
              250
              250
              15
              ZJP-600
              HGL-150
              12
              1200
              ZJP-2500
              ZJPC-2500
              2500
              44
              320
              320
              18.5
              ZJP-600
              HGL-150
              12
              1500

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              亚洲第一成年网站视频
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