Series 2sk-P Water Ring Vacuum Pumps with Air Ejector

Model NO.: 2SK-3P

Weight: 250kg

Trademark: DVE

Transport Package: Polywood Case

Specification: CE Mark, Spare Parts Of High Level

Origin: Zhejiang, China

HS Code: 8414100090

Model NO.: 2SK-3P

Weight: 250kg

Trademark: DVE

Transport Package: Polywood Case

Specification: CE Mark, Spare Parts Of High Level

Origin: Zhejiang, China

HS Code: 8414100090
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DESCRIPTION
Roots Rotary Piston Pump System is made up with the Roots Vacuum Pump and Rotary Piston Vacuum Pump in series connection. Rotary Piston Vacuum Pump is used as the pre-vacuum pump and the backing vacuum pump of the Roots Vacuum Pump, while the Roots Vacuum Pump is the main vacuum pump. The selection of displacement ratio, between the Roots Vacuum Pump and the Rotary Piston Vacuum Pump, is mainly referred to the vacuum value of the vacuum system under long term running; when working in low vacuum, it is advised to select small displacement ratio(2:1 to 4:1); If working in medium or high vacuum, the bigger displacement ratio(4:1to10:1)should be preferred.

ADVANTAGE
1.High vacuum, high exhausting efficiency in medium or high vacuum, wide working range, obvious energy-saving results.
2. Integrated rack, compact structure, small required space.
3. High automation, simple operation, easy maintenance, safe, reliable and durable running.
4. To customize a special pump system as per the specific needs of the end user.
Â
PARAMETER
MainÂ SpecificationsÂ forÂ OneÂ RootsÂ PumpÂ withÂ SingleÂ StageÂ RotaryÂ PistonÂ PunmpÂ VacuumÂ System

Model MiddleÂ PumpÂ
50Hz BackingÂ
Pump Displacement
(L/s) UlimateÂ PartialÂ
Pressure(Pa) UlimateÂ TotalÂ
Pressure(Pa) MotorÂ Power
(kW) Suction
(mm) Discharge
(mm)

JZH75-3 ZJ-75 H-25DVA 75 0.05 0.8 4.4,3.7 100 40

JZH110-4 ZJ-110 H-25DVA 110 0.05 0.8 4.4,3.7 100 40

JZH150-6 ZJ-150 H-25DVA 150 0.05 0.8 5.2,4.5 100 50

JZH220-4 ZJ-220 H-50DV 220 0.05 0.8 8,6 100 50

JZH220-3 ZJ-220 H-60DVA 220 0.05 0.8 8,7 100 50

JZH300-4 ZJ-300 H-70DV 300 0.05 0.8 9.5 150 63

JZH300-3 ZJ-300 H-100DV 300 0.05 0.8 11.5 150 63

JZH600-6 ZJ-600 H-100DV 600 0.05 0.8 15,13 200 63

JZH600-5 ZJ-600 H-120DV 600 0.05 0.8 15,13 200 63

JZH600-4 ZJ-600 H-150DV 600 0.05 0.8 18.5,16.5 200 80

JZH600-3.5 ZJ-600 H-160DV 600 0.05 0.8 18.5,16.5 200 80

JZH600-3 ZJ-600 H-220DV 600 0.05 0.8 22.5,20.5 200 100

JZH1200-8 ZJ-1200 H-150DV 1200 0.05 0.8 22 250 80

JZH1200-7.5 ZJ-1200 H-160DV 1200 0.05 0.8 22 250 80

JZH1200-5 ZJ-1200 H-220DV 1200 0.05 0.8 26 250 100
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JZH1200-4 ZJ-1200 H-300DV 1200 0.05 0.8 33 250 100

JZH1800-8 ZJ-1800 H-220DV 1800 0.05 0.8 30 250 100

JZH1800-6 ZJ-1800 H-300DV 1800 0.05 0.8 37 250 100

JZH1800-3 ZJ-1800 H-600DV 1800 0.05 0.8 60 250 150

JZH2500-11 ZJ-2500 H-220DV 2500 0.05 0.8 37 300 100

JZH2500-8 ZJ-2500 H-300DV 2500 0.05 0.8 44 300 100

JZH2500-4 ZJ-2500 H-600DV 2500 0.05 0.8 67 300 150

JZH5000-8 ZJ-5000 H-600DV 5000 0.05 0.8 82 400 150

Â
MainÂ SpecificationsÂ forÂ OneÂ RootsÂ PumpÂ withÂ DoubleÂ StagesÂ RotaryÂ PistonÂ PumpÂ VacuumÂ System

Model MainÂ PumpÂ
50Hz BackingÂ
Pump Displacement
(L/s) UlimateÂ PartialÂ
Pressure(Pa) UlimateÂ TotalÂ
Pressure(Pa) MotorÂ Power
(kW) Suction
(mm) Discharge
(mm)

ZJ2H75-5 ZJ-75 2H-15DVA 75 0.02 0.5 4.4,3.7 100 40

ZJ2H110-7 ZJ-110 2H-15DVA 110 0.02 0.5 4.4,3.7 100 40

ZJ2H150-5 ZJ-150 2H-30DV 150 0.02 0.5 7,6 100 50

ZJ2H220-7 ZJ-220 2H-30DV 220 0.02 0.5 8,6 100 50

ZJ2H220-5 ZJ-220 2H-45DVA 220 0.02 0.5 8,7 100 50

ZJ2H220-4 ZJ-220 2H-50DV 220 0.02 0.5 9.5,8.5 100 63

ZJ2H300-6 ZJ-300 2H-50DV 300 0.02 0.5 9.5 150 63

ZJ2H300-4 ZJ-300 2H-70DV 300 0.02 0.5 11.5 150 63

ZJ2H600-8.5 ZJ-600 2H-70DV 600 0.02 0.5 15 200 63

ZJ2H600-7.5 ZJ-600 2H-80DV 600 0.02 0.5 15 200 63

ZJ2H600-6 ZJ-600 2H-120DV 600 0.02 0.5 18.5,16.5 200 80

ZJ2H600-5 ZJ-600 2H-120DV 600 0.02 0.5 18.5,16.5 200 80

ZJ2H1200-8 ZJ-1200 2H-150DV 1200 0.02 0.5 26 250 100

ZJ2H1200-5 ZJ-1200 2H-220DV 1200 0.02 0.5 33 250 100

ZJ2H1800-8 ZJ-1800 2H-220DV 1800 0.02 0.5 37 250 100

ZJ2H1800-4 ZJ-1800 2H-450DV 1800 0.02 0.5 60 250 150

ZJ2H2500-11 ZJ-2500 2H-220DV 2500 0.02 0.5 44,40.5 300 100

ZJ2H2500-5.5 ZJ-2500 2H-450DV 2500 0.02 0.5 67,63.5 300 150

ZJ2H5000-11 ZJ-5000 2H-450DV 5000 0.02 0.5 82 400 150

Â
MainÂ SpecificationsÂ forÂ TwoÂ RootsÂ PumpsÂ withÂ SingleÂ StageÂ RotaryÂ PistonÂ PumpÂ VacuumÂ System

Model MainÂ PumpÂ
50Hz MiddleÂ PumpÂ
50Hz BackingÂ
Pump Displacement
(L/s) UlimateÂ PartialÂ
Pressure(Pa) UlimateÂ TotalÂ
Pressure(Pa) MotorÂ Power
(kW) Suction
(mm) Discharge
(mm)

J2ZH220-33 ZJ-220 ZJ-75 H-25DVA 220 0.02 0.5 7.4 100 40

J2ZH300-43 ZJ-300 ZJ-75 H-25DVA 300 0.02 0.5 8.4 150 40

J2ZH600-43 ZJ-600 ZJ-150 H-50DV 600 0.02 0.5 14.5 200 50

J2ZH1200-53.5 ZJ-1200 ZJ-220 H-60DVA 1200 0.02 0.5 18 250 50

J2ZH1200-53 ZJ-1200 ZJ-220 H-70DV 1200 0.02 0.5 19.5 250 63

J2ZH1200-43 ZJ-1200 ZJ-300 H-100DV 1200 0.02 0.5 22.5 250 63

J2ZH1200-42.5 ZJ-1200 ZJ-300 H-120DV 1200 0.02 0.5 22.5 250 63

J2ZH1800-62.5 ZJ-1800 ZJ-300 H-150DV 1800 0.02 0.5 26.5 250 63

J2ZH1800-34 ZJ-1800 ZJ-600 H-160DV 1800 0.02 0.5 33.5 250 80

J2ZH1800-33.5 ZJ-1800 ZJ-600 H-150DV 1800 0.02 0.5 33.5 250 80

J2ZH2500-44 ZJ-2500 ZJ-600 H-160DV 2500 0.02 0.5 40.5 300 80

J2ZH2500-43.5 ZJ-2500 ZJ-600 2H-220DV 2500 0.02 0.5 40.5 300 80

J2ZH2500-43 ZJ-2500 ZJ-600 H-220DV 2500 0.02 0.5 44.5 300 100

J2ZH5000-44 ZJ-5000 ZJ-1200 H-300DV 5000 0.02 0.5 70 400 100

J2ZH5000-33 ZJ-5000 ZJ-1800 H-600DV 5000 0.02 0.5 97 400 150

Â
MainÂ SpecificationsÂ forÂ TwoÂ RootsÂ PumpsÂ withÂ DoubleÂ StagesÂ RotaryÂ PistonÂ PumpÂ VacuumÂ System

Model MainÂ PumpÂ
50Hz MiddleÂ PumpÂ
50Hz BackingÂ
Pump Displacement
(L/s) UlimateÂ PartialÂ
Pressure(Pa) UlimateÂ TotalÂ
Pressure(Pa) MotorÂ Power
(kW) Suction
(mm) Discharge
(mm)

J2Z2H220-35 ZJ-220 ZJ-75 2H-15DVA 220 0.01 0.3 8.4 100 40

J2Z2H300-42.5 ZJ-300 ZJ-75 2H-30DV 300 0.01 0.3 10.2 150 20

J2Z2H600-43.5 ZJ-600 ZJ-150 2H-45DVA 600 0.01 0.3 10.2 200 20

J2Z2H600-43 ZJ-600 ZJ-150 2H-50DV 600 0.01 0.3 14.5 200 20

J2Z2H1200-53 ZJ-1200 ZJ-220 2H-70DV 1200 0.01 0.3 14.5 250 63

J2Z2H1200-44 ZJ-1200 ZJ-300 2H-80DV 1200 0.01 0.3 22.5 250 63

J2Z2H1200-43 ZJ-1200 ZJ-300 2H-100DV 1200 0.01 0.3 22.5 250 80

J2Z2H1200-42.5 ZJ-1200 ZJ-300 2H-120DV 1200 0.01 0.3 26 250 80

J2Z2H1800-34 ZJ-1800 ZJ-600 2H-150DV 1800 0.01 0.3 37.5 250 100

J2Z2H1800-33.5 ZJ-1800 ZJ-600 2H-160DV 1800 0.01 0.3 37.5 250 100

J2Z2H1800-33 ZJ-1800 ZJ-600 2H-220DV 1800 0.01 0.3 44.5 250 100

J2Z2H1800-43.5 ZJ-2500 ZJ-600 2H-160DV 2500 0.01 0.3 44.5 300 100

J2Z2H2500-43 ZJ-2500 ZJ-600 2H-220DV 2500 0.01 0.3 51.5 300 100

J2Z2H5000-43 ZJ-5000 ZJ-1200 2H-450DV 5000 0.01 0.3 93 400 150

Note:1,IfÂ rootsÂ vacuumÂ pumpÂ isÂ operatedÂ atÂ 60Hz,theÂ displacementÂ shouldÂ beÂ increasedÂ to1.2times.
Â Â Â Â Â Â Â Â Â Â 2,ForÂ theÂ ZJPÂ rootsÂ vacuumÂ pumpsÂ withÂ bypassÂ valve,theÂ unitÂ modelÂ mustÂ beÂ changedÂ toÂ J2ZPH,otherÂ parametersÂ areÂ unchanged.
Â
APPLICATION
Widely used in vacuum coating, vacuum metallurgy, vacuum heat treatment, vacuum drying, vacuum impregnation, vacuum strainer, poly-silicon production, aerospace simulation and so on.
Â
Sea Port: Ningbo/Shanghai, China
Standard: CE Mark, Spare Parts Of High Level
Delivery: Normally according to our factory production schedule, but we can follow your first order timeÂ
Warranty: If pump appear quality problems, free replacements of spare parts will be offered within one year
Â
WE CAN PROVIDE YOU
1. On-time Delivery, with More ChoiceÂ
2. Perfect Technical Support
3. Customized Vacuum Solutions and ServiceÂ
4. Samples Available
5. Â Long Quality GuaranteeÂ
6. Fast Response to Customers' Feedback in 12 hoursÂ
Â
DEVELOPMENT VACUUM EQUIPMENT CO., LTDÂ
ADD:DONGGANG INDZONE, TAIZHOU, ZHEJIANG, CHINA PC: 317106
TEL:+86-576-83598308 FAX:+86-576-83598309Â Â
DESCRIPTION
Roots Rotary Piston Pump System is made up with the Roots Vacuum Pump and Rotary Piston Vacuum Pump in series connection. Rotary Piston Vacuum Pump is used as the pre-vacuum pump and the backing vacuum pump of the Roots Vacuum Pump, while the Roots Vacuum Pump is the main vacuum pump. The selection of displacement ratio, between the Roots Vacuum Pump and the Rotary Piston Vacuum Pump, is mainly referred to the vacuum value of the vacuum system under long term running; when working in low vacuum, it is advised to select small displacement ratio(2:1 to 4:1); If working in medium or high vacuum, the bigger displacement ratio(4:1to10:1)should be preferred.

ADVANTAGE
1.High vacuum, high exhausting efficiency in medium or high vacuum, wide working range, obvious energy-saving results.
2. Integrated rack, compact structure, small required space.
3. High automation, simple operation, easy maintenance, safe, reliable and durable running.
4. To customize a special pump system as per the specific needs of the end user.
Â
PARAMETER
MainÂ SpecificationsÂ forÂ OneÂ RootsÂ PumpÂ withÂ SingleÂ StageÂ RotaryÂ PistonÂ PunmpÂ VacuumÂ System

Model MiddleÂ PumpÂ
50Hz BackingÂ
Pump Displacement
(L/s) UlimateÂ PartialÂ
Pressure(Pa) UlimateÂ TotalÂ
Pressure(Pa) MotorÂ Power
(kW) Suction
(mm) Discharge
(mm)

JZH75-3 ZJ-75 H-25DVA 75 0.05 0.8 4.4,3.7 100 40

JZH110-4 ZJ-110 H-25DVA 110 0.05 0.8 4.4,3.7 100 40

JZH150-6 ZJ-150 H-25DVA 150 0.05 0.8 5.2,4.5 100 50

JZH220-4 ZJ-220 H-50DV 220 0.05 0.8 8,6 100 50

JZH220-3 ZJ-220 H-60DVA 220 0.05 0.8 8,7 100 50

JZH300-4 ZJ-300 H-70DV 300 0.05 0.8 9.5 150 63

JZH300-3 ZJ-300 H-100DV 300 0.05 0.8 11.5 150 63

JZH600-6 ZJ-600 H-100DV 600 0.05 0.8 15,13 200 63

JZH600-5 ZJ-600 H-120DV 600 0.05 0.8 15,13 200 63

JZH600-4 ZJ-600 H-150DV 600 0.05 0.8 18.5,16.5 200 80

JZH600-3.5 ZJ-600 H-160DV 600 0.05 0.8 18.5,16.5 200 80

JZH600-3 ZJ-600 H-220DV 600 0.05 0.8 22.5,20.5 200 100

JZH1200-8 ZJ-1200 H-150DV 1200 0.05 0.8 22 250 80

JZH1200-7.5 ZJ-1200 H-160DV 1200 0.05 0.8 22 250 80

JZH1200-5 ZJ-1200 H-220DV 1200 0.05 0.8 26 250 100
Â

JZH1200-4 ZJ-1200 H-300DV 1200 0.05 0.8 33 250 100

JZH1800-8 ZJ-1800 H-220DV 1800 0.05 0.8 30 250 100

JZH1800-6 ZJ-1800 H-300DV 1800 0.05 0.8 37 250 100

JZH1800-3 ZJ-1800 H-600DV 1800 0.05 0.8 60 250 150

JZH2500-11 ZJ-2500 H-220DV 2500 0.05 0.8 37 300 100

JZH2500-8 ZJ-2500 H-300DV 2500 0.05 0.8 44 300 100

JZH2500-4 ZJ-2500 H-600DV 2500 0.05 0.8 67 300 150

JZH5000-8 ZJ-5000 H-600DV 5000 0.05 0.8 82 400 150

Â
MainÂ SpecificationsÂ forÂ OneÂ RootsÂ PumpÂ withÂ DoubleÂ StagesÂ RotaryÂ PistonÂ PumpÂ VacuumÂ System

Model MainÂ PumpÂ
50Hz BackingÂ
Pump Displacement
(L/s) UlimateÂ PartialÂ
Pressure(Pa) UlimateÂ TotalÂ
Pressure(Pa) MotorÂ Power
(kW) Suction
(mm) Discharge
(mm)

ZJ2H75-5 ZJ-75 2H-15DVA 75 0.02 0.5 4.4,3.7 100 40

ZJ2H110-7 ZJ-110 2H-15DVA 110 0.02 0.5 4.4,3.7 100 40

ZJ2H150-5 ZJ-150 2H-30DV 150 0.02 0.5 7,6 100 50

ZJ2H220-7 ZJ-220 2H-30DV 220 0.02 0.5 8,6 100 50

ZJ2H220-5 ZJ-220 2H-45DVA 220 0.02 0.5 8,7 100 50

ZJ2H220-4 ZJ-220 2H-50DV 220 0.02 0.5 9.5,8.5 100 63

ZJ2H300-6 ZJ-300 2H-50DV 300 0.02 0.5 9.5 150 63

ZJ2H300-4 ZJ-300 2H-70DV 300 0.02 0.5 11.5 150 63

ZJ2H600-8.5 ZJ-600 2H-70DV 600 0.02 0.5 15 200 63

ZJ2H600-7.5 ZJ-600 2H-80DV 600 0.02 0.5 15 200 63

ZJ2H600-6 ZJ-600 2H-120DV 600 0.02 0.5 18.5,16.5 200 80

ZJ2H600-5 ZJ-600 2H-120DV 600 0.02 0.5 18.5,16.5 200 80

ZJ2H1200-8 ZJ-1200 2H-150DV 1200 0.02 0.5 26 250 100

ZJ2H1200-5 ZJ-1200 2H-220DV 1200 0.02 0.5 33 250 100

ZJ2H1800-8 ZJ-1800 2H-220DV 1800 0.02 0.5 37 250 100

ZJ2H1800-4 ZJ-1800 2H-450DV 1800 0.02 0.5 60 250 150

ZJ2H2500-11 ZJ-2500 2H-220DV 2500 0.02 0.5 44,40.5 300 100

ZJ2H2500-5.5 ZJ-2500 2H-450DV 2500 0.02 0.5 67,63.5 300 150

ZJ2H5000-11 ZJ-5000 2H-450DV 5000 0.02 0.5 82 400 150

Â
MainÂ SpecificationsÂ forÂ TwoÂ RootsÂ PumpsÂ withÂ SingleÂ StageÂ RotaryÂ PistonÂ PumpÂ VacuumÂ System

Model MainÂ PumpÂ
50Hz MiddleÂ PumpÂ
50Hz BackingÂ
Pump Displacement
(L/s) UlimateÂ PartialÂ
Pressure(Pa) UlimateÂ TotalÂ
Pressure(Pa) MotorÂ Power
(kW) Suction
(mm) Discharge
(mm)

J2ZH220-33 ZJ-220 ZJ-75 H-25DVA 220 0.02 0.5 7.4 100 40

J2ZH300-43 ZJ-300 ZJ-75 H-25DVA 300 0.02 0.5 8.4 150 40

J2ZH600-43 ZJ-600 ZJ-150 H-50DV 600 0.02 0.5 14.5 200 50

J2ZH1200-53.5 ZJ-1200 ZJ-220 H-60DVA 1200 0.02 0.5 18 250 50

J2ZH1200-53 ZJ-1200 ZJ-220 H-70DV 1200 0.02 0.5 19.5 250 63

J2ZH1200-43 ZJ-1200 ZJ-300 H-100DV 1200 0.02 0.5 22.5 250 63

J2ZH1200-42.5 ZJ-1200 ZJ-300 H-120DV 1200 0.02 0.5 22.5 250 63

J2ZH1800-62.5 ZJ-1800 ZJ-300 H-150DV 1800 0.02 0.5 26.5 250 63

J2ZH1800-34 ZJ-1800 ZJ-600 H-160DV 1800 0.02 0.5 33.5 250 80

J2ZH1800-33.5 ZJ-1800 ZJ-600 H-150DV 1800 0.02 0.5 33.5 250 80

J2ZH2500-44 ZJ-2500 ZJ-600 H-160DV 2500 0.02 0.5 40.5 300 80

J2ZH2500-43.5 ZJ-2500 ZJ-600 2H-220DV 2500 0.02 0.5 40.5 300 80

J2ZH2500-43 ZJ-2500 ZJ-600 H-220DV 2500 0.02 0.5 44.5 300 100

J2ZH5000-44 ZJ-5000 ZJ-1200 H-300DV 5000 0.02 0.5 70 400 100

J2ZH5000-33 ZJ-5000 ZJ-1800 H-600DV 5000 0.02 0.5 97 400 150

Â
MainÂ SpecificationsÂ forÂ TwoÂ RootsÂ PumpsÂ withÂ DoubleÂ StagesÂ RotaryÂ PistonÂ PumpÂ VacuumÂ System

Model MainÂ PumpÂ
50Hz MiddleÂ PumpÂ
50Hz BackingÂ
Pump Displacement
(L/s) UlimateÂ PartialÂ
Pressure(Pa) UlimateÂ TotalÂ
Pressure(Pa) MotorÂ Power
(kW) Suction
(mm) Discharge
(mm)

J2Z2H220-35 ZJ-220 ZJ-75 2H-15DVA 220 0.01 0.3 8.4 100 40

J2Z2H300-42.5 ZJ-300 ZJ-75 2H-30DV 300 0.01 0.3 10.2 150 20

J2Z2H600-43.5 ZJ-600 ZJ-150 2H-45DVA 600 0.01 0.3 10.2 200 20

J2Z2H600-43 ZJ-600 ZJ-150 2H-50DV 600 0.01 0.3 14.5 200 20

J2Z2H1200-53 ZJ-1200 ZJ-220 2H-70DV 1200 0.01 0.3 14.5 250 63

J2Z2H1200-44 ZJ-1200 ZJ-300 2H-80DV 1200 0.01 0.3 22.5 250 63

J2Z2H1200-43 ZJ-1200 ZJ-300 2H-100DV 1200 0.01 0.3 22.5 250 80

J2Z2H1200-42.5 ZJ-1200 ZJ-300 2H-120DV 1200 0.01 0.3 26 250 80

J2Z2H1800-34 ZJ-1800 ZJ-600 2H-150DV 1800 0.01 0.3 37.5 250 100

J2Z2H1800-33.5 ZJ-1800 ZJ-600 2H-160DV 1800 0.01 0.3 37.5 250 100

J2Z2H1800-33 ZJ-1800 ZJ-600 2H-220DV 1800 0.01 0.3 44.5 250 100

J2Z2H1800-43.5 ZJ-2500 ZJ-600 2H-160DV 2500 0.01 0.3 44.5 300 100

J2Z2H2500-43 ZJ-2500 ZJ-600 2H-220DV 2500 0.01 0.3 51.5 300 100

J2Z2H5000-43 ZJ-5000 ZJ-1200 2H-450DV 5000 0.01 0.3 93 400 150

Note:1,IfÂ rootsÂ vacuumÂ pumpÂ isÂ operatedÂ atÂ 60Hz,theÂ displacementÂ shouldÂ beÂ increasedÂ to1.2times.
Â Â Â Â Â Â Â Â Â Â 2,ForÂ theÂ ZJPÂ rootsÂ vacuumÂ pumpsÂ withÂ bypassÂ valve,theÂ unitÂ modelÂ mustÂ beÂ changedÂ toÂ J2ZPH,otherÂ parametersÂ areÂ unchanged.
Â
APPLICATION
Widely used in vacuum coating, vacuum metallurgy, vacuum heat treatment, vacuum drying, vacuum impregnation, vacuum strainer, poly-silicon production, aerospace simulation and so on.
Â
Sea Port: Ningbo/Shanghai, China
Standard: CE Mark, Spare Parts Of High Level
Delivery: Normally according to our factory production schedule, but we can follow your first order timeÂ
Warranty: If pump appear quality problems, free replacements of spare parts will be offered within one year
Â
WE CAN PROVIDE YOU
1. On-time Delivery, with More ChoiceÂ
2. Perfect Technical Support
3. Customized Vacuum Solutions and ServiceÂ
4. Samples Available
5. Â Long Quality GuaranteeÂ
6. Fast Response to Customers' Feedback in 12 hoursÂ
Â
DEVELOPMENT VACUUM EQUIPMENT CO., LTDÂ
ADD:DONGGANG INDZONE, TAIZHOU, ZHEJIANG, CHINA PC: 317106
TEL:+86-576-83598308 FAX:+86-576-83598309Â
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