Model NO.: JZ2S(Y)300-1.5
Main Pump: Zj-300DV
Backing Pump: 2sk-6
Ultimate Pressure/Water Ring: 40PA
Ultimate Pressure/Oil Ring: 1PA
Displacement: 300L/S
Motor Power: 18kw
Suction: 150mm
Discharge: 50mm
Trademark: DVE
Transport Package: Neutral Wooden Case or Based on Customers
Specification: CE MARK, ISO9001, ABB MOTOR, EURO MARKET STANDARD
Origin: Zhejiang, China
HS Code: 8414100090
Model NO.: JZ2S(Y)300-1.5
Main Pump: Zj-300DV
Backing Pump: 2sk-6
Ultimate Pressure/Water Ring: 40PA
Ultimate Pressure/Oil Ring: 1PA
Displacement: 300L/S
Motor Power: 18kw
Suction: 150mm
Discharge: 50mm
Trademark: DVE
Transport Package: Neutral Wooden Case or Based on Customers
Specification: CE MARK, ISO9001, ABB MOTOR, EURO MARKET STANDARD
Origin: Zhejiang, China
HS Code: 8414100090
Roots Pump with Water (Liquid) Ring Pump Vacuum System1.Able to be used to pump the gases with dust and vapor in the worse circumstances
2.Better vacuum, wider range of pumping gas, higher efficiency
3.Appropriate structure, high reliability &durability
4.Oil saving water saving, energy saving
5.High automation, simple to use, easy to maintenance
6.Able to be made as the vacuum system to pump corrosive gas as per request

APPLICATIONS:
It can be applied to the vacuum drying, vacuum degassing, vacuum concentration, vacuum evaporation, vacuum impregnation process in chemical industry, food, medicine, textile, papermaking, electrical and so on.
Main Specifications for Roots Pump with Double Stages Water(Liquid)Ring Pump Vacuum System
Model | Main Pump | Backing Pump | Ultimate Pressure (PA) | Displacement (L/s) |
Motor Power (kW) |
Suction (mm) |
Discharge (mm) |
|
Water Ring | Oil Ring | |||||||
JZ2S(Y)75-2 | ZJ75 | 2S(Y)K2 | 300 | 80 | 75 | 7.7 | 100 | 50 |
JZ2S(Y)75-1.5 | ZJ75 | 2S(Y)K3 | 300 | 80 | 75 | 9.7 | 100 | 50 |
JZ2S(Y)110-2 | ZJ110 | 2S(Y)K3 | 300 | 80 | 110 | 9.7 | 100 | 50 |
JZ2S(Y)150-1.5 | ZJ150 | 2S(Y)K6 | 300 | 80 | 150 | 14 | 100 | 50 |
JZ2S(Y)220-2 | ZJ220 | 2S(Y)K6 | 300 | 80 | 220 | 15 | 100 | 50 |
JZ2S(Y)300-1.5 | ZJ300 | 2S(Y)K12 | 300 | 80 | 300 | 26 | 150 | 80 |
JZ2S(Y)600-3 | ZJ600 | 2S(Y)K12 | 300 | 80 | 600 | 29.5 | 200 | 80 |
JZ2S(Y)600-1 | ZJ600 | 2S(Y)K25 | 300 | 80 | 600 | 62.5 | 200 | 100 |
JZ2S(Y)1200-3 | ZJ1200 | 2S(Y)K25 | 300 | 80 | 1200 | 66 | 200 | 100 |
Main Specifications for Two Roots Pumps with Double Stages Water(Liquid)Ring Pump Vacuum System
Model | Main Pump | Middle Pump | Backing Pump | Ultimate Pressure (PA) | Displacement (L/s) |
Motor Power(kW) | Suction (mm) |
Discharge (mm) |
|
Water Ring | Oil Ring | ||||||||
J2Z2S(Y)150-22 | ZJ150 | ZJ75 | 2S(Y)K2 | 40 | 1 | 150 | 10.7 | 100 | 50 |
J2Z2S(Y)150-21.5 | ZJ150 | ZJ75 | 2S(Y)K3 | 40 | 1 | 150 | 12.7 | 100 | 50 |
J2Z2S(Y)300-42 | ZJ300 | ZJ75 | 2S(Y)K2 | 40 | 1 | 300 | 11.7 | 150 | 50 |
J2Z2S(Y)300-41.5 | ZJ300 | ZJ75 | 2S(Y)K3 | 40 | 1 | 300 | 13.7 | 150 | 50 |
J2Z2S(Y)300-32 | ZJ300 | ZJ110 | 2S(Y)K3 | 40 | 1 | 300 | 13.7 | 150 | 50 |
J2Z2S(Y)300-21.5 | ZJ300 | ZJ150 | 2S(Y)K6 | 40 | 1 | 300 | 18 | 150 | 50 |
J2Z2S(Y)600-32 | ZJ600 | ZJ220 | 2S(Y)K6 | 40 | 1 | 600 | 22.5 | 200 | 80 |
J2Z2S(Y)600-21.5 | ZJ600 | ZJ300 | 2S(Y)K12 | 40 | 1 | 600 | 33.5 | 200 | 80 |
J2Z2S(Y)1200-41.5 | ZJ1200 | ZJ300 | 2S(Y)K12 | 40 | 1 | 1200 | 37 | 250 | 80 |
J2Z2S(Y)1200-21.5 | ZJ1200 | ZJ600 | 2S(Y)K25 | 40 | 1 | 1200 | 73.5 | 250 | 100 |
J2Z2S(Y)2500-41.5 | ZJ2500 | ZJ600 | 2S(Y)K25 | 40 | 1 | 2500 | 84.5 | 300 | 100 |
Main Specifications for Three Roots Pumps with Double Stages Water(Liquid)Ring Pump Vacuum System
Model | Main Pump | Middle Pump | Middle Pump | Backing Pump | Ultimate Pressure (PA) |
Displacement (L/s) |
Motor Power(kW) | Suction (mm) |
Discharge (mm) |
|
Water Ring | Oil Ring | |||||||||
J3Z2S(Y)300-222 | ZJ300 | ZJ150 | ZJ75 | 2S(Y)K2 | 1 | 0.5 | 300 | 14.7 | 150 | 50 |
J3Z2S(Y)300-221.5 | ZJ300 | ZJ150 | ZJ75 | 2S(Y)K3 | 1 | 0.5 | 300 | 16.7 | 150 | 50 |
J3Z2S(Y)600-232 | ZJ600 | ZJ300 | ZJ110 | 2S(Y)K3 | 1 | 0.5 | 600 | 21.2 | 200 | 50 |
J3Z2S(Y)600-221.5 | ZJ600 | ZJ300 | ZJ150 | 2S(Y)K6 | 1 | 0.5 | 600 | 25.5 | 200 | 50 |
J3Z2S(Y)1200-421.5 | ZJ1200 | ZJ300 | ZJ150 | 2S(Y)K6 | 1 | 0.5 | 1200 | 29 | 250 | 50 |
J3Z2S(Y)1200-232 | ZJ1200 | ZJ600 | ZJ220 | 2S(Y)K6 | 1 | 0.5 | 1200 | 33.5 | 250 | 50 |
J3Z2S(Y)1200-221.5 | ZJ1200 | ZJ600 | ZJ300 | 2S(Y)K12 | 1 | 0.5 | 1200 | 44.5 | 250 | 80 |
1, Inside the table above, the main pump could be"ZJ"pump, or"ZJP"pump with overflow valve;When"ZJP"is as the main pump, "Z"should be changed to"ZP", "S"represents Water Ring Vacuum Pump, while"Y"does Liquld Ring Vacuum Pump.
2, If Roots Vacuum Pump and Water(Liquid)Ring Pump are operated at 60Hz, the displacement should be increased to 1.2 times.
OUR SERVICE
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 time
Warranty:If pump appear quality problems, free replacements of spare parts will be offered within one year





WE CAN PROVIDE YOU
1.On-time Delivery, with More Choice
2.Perfect Technical Support
3.Customized Vacuum Solutions and Service
4.Samples Available
5.Long Quality Guarantee
6.Fast Response to Customers' Feedback in 12 hours
DEVELOPMENT VACUUM EQUIPMENT Co., Ltd
ADD:DONGGANG INDZONE, TAIZHOU, ZHEJIANG, China PC:317106
TEL:+86-576-83598308 FAX:+86-576-83598309 Roots Pump with Water (Liquid) Ring Pump Vacuum System
1.Able to be used to pump the gases with dust and vapor in the worse circumstances
2.Better vacuum, wider range of pumping gas, higher efficiency
3.Appropriate structure, high reliability &durability
4.Oil saving water saving, energy saving
5.High automation, simple to use, easy to maintenance
6.Able to be made as the vacuum system to pump corrosive gas as per request

APPLICATIONS:
It can be applied to the vacuum drying, vacuum degassing, vacuum concentration, vacuum evaporation, vacuum impregnation process in chemical industry, food, medicine, textile, papermaking, electrical and so on.
Main Specifications for Roots Pump with Double Stages Water(Liquid)Ring Pump Vacuum System
Model | Main Pump | Backing Pump | Ultimate Pressure (PA) | Displacement (L/s) |
Motor Power (kW) |
Suction (mm) |
Discharge (mm) |
|
Water Ring | Oil Ring | |||||||
JZ2S(Y)75-2 | ZJ75 | 2S(Y)K2 | 300 | 80 | 75 | 7.7 | 100 | 50 |
JZ2S(Y)75-1.5 | ZJ75 | 2S(Y)K3 | 300 | 80 | 75 | 9.7 | 100 | 50 |
JZ2S(Y)110-2 | ZJ110 | 2S(Y)K3 | 300 | 80 | 110 | 9.7 | 100 | 50 |
JZ2S(Y)150-1.5 | ZJ150 | 2S(Y)K6 | 300 | 80 | 150 | 14 | 100 | 50 |
JZ2S(Y)220-2 | ZJ220 | 2S(Y)K6 | 300 | 80 | 220 | 15 | 100 | 50 |
JZ2S(Y)300-1.5 | ZJ300 | 2S(Y)K12 | 300 | 80 | 300 | 26 | 150 | 80 |
JZ2S(Y)600-3 | ZJ600 | 2S(Y)K12 | 300 | 80 | 600 | 29.5 | 200 | 80 |
JZ2S(Y)600-1 | ZJ600 | 2S(Y)K25 | 300 | 80 | 600 | 62.5 | 200 | 100 |
JZ2S(Y)1200-3 | ZJ1200 | 2S(Y)K25 | 300 | 80 | 1200 | 66 | 200 | 100 |
Main Specifications for Two Roots Pumps with Double Stages Water(Liquid)Ring Pump Vacuum System
Model | Main Pump | Middle Pump | Backing Pump | Ultimate Pressure (PA) | Displacement (L/s) |
Motor Power(kW) | Suction (mm) |
Discharge (mm) |
|
Water Ring | Oil Ring | ||||||||
J2Z2S(Y)150-22 | ZJ150 | ZJ75 | 2S(Y)K2 | 40 | 1 | 150 | 10.7 | 100 | 50 |
J2Z2S(Y)150-21.5 | ZJ150 | ZJ75 | 2S(Y)K3 | 40 | 1 | 150 | 12.7 | 100 | 50 |
J2Z2S(Y)300-42 | ZJ300 | ZJ75 | 2S(Y)K2 | 40 | 1 | 300 | 11.7 | 150 | 50 |
J2Z2S(Y)300-41.5 | ZJ300 | ZJ75 | 2S(Y)K3 | 40 | 1 | 300 | 13.7 | 150 | 50 |
J2Z2S(Y)300-32 | ZJ300 | ZJ110 | 2S(Y)K3 | 40 | 1 | 300 | 13.7 | 150 | 50 |
J2Z2S(Y)300-21.5 | ZJ300 | ZJ150 | 2S(Y)K6 | 40 | 1 | 300 | 18 | 150 | 50 |
J2Z2S(Y)600-32 | ZJ600 | ZJ220 | 2S(Y)K6 | 40 | 1 | 600 | 22.5 | 200 | 80 |
J2Z2S(Y)600-21.5 | ZJ600 | ZJ300 | 2S(Y)K12 | 40 | 1 | 600 | 33.5 | 200 | 80 |
J2Z2S(Y)1200-41.5 | ZJ1200 | ZJ300 | 2S(Y)K12 | 40 | 1 | 1200 | 37 | 250 | 80 |
J2Z2S(Y)1200-21.5 | ZJ1200 | ZJ600 | 2S(Y)K25 | 40 | 1 | 1200 | 73.5 | 250 | 100 |
J2Z2S(Y)2500-41.5 | ZJ2500 | ZJ600 | 2S(Y)K25 | 40 | 1 | 2500 | 84.5 | 300 | 100 |
Main Specifications for Three Roots Pumps with Double Stages Water(Liquid)Ring Pump Vacuum System
Model | Main Pump | Middle Pump | Middle Pump | Backing Pump | Ultimate Pressure (PA) |
Displacement (L/s) |
Motor Power(kW) | Suction (mm) |
Discharge (mm) |
|
Water Ring | Oil Ring | |||||||||
J3Z2S(Y)300-222 | ZJ300 | ZJ150 | ZJ75 | 2S(Y)K2 | 1 | 0.5 | 300 | 14.7 | 150 | 50 |
J3Z2S(Y)300-221.5 | ZJ300 | ZJ150 | ZJ75 | 2S(Y)K3 | 1 | 0.5 | 300 | 16.7 | 150 | 50 |
J3Z2S(Y)600-232 | ZJ600 | ZJ300 | ZJ110 | 2S(Y)K3 | 1 | 0.5 | 600 | 21.2 | 200 | 50 |
J3Z2S(Y)600-221.5 | ZJ600 | ZJ300 | ZJ150 | 2S(Y)K6 | 1 | 0.5 | 600 | 25.5 | 200 | 50 |
J3Z2S(Y)1200-421.5 | ZJ1200 | ZJ300 | ZJ150 | 2S(Y)K6 | 1 | 0.5 | 1200 | 29 | 250 | 50 |
J3Z2S(Y)1200-232 | ZJ1200 | ZJ600 | ZJ220 | 2S(Y)K6 | 1 | 0.5 | 1200 | 33.5 | 250 | 50 |
J3Z2S(Y)1200-221.5 | ZJ1200 | ZJ600 | ZJ300 | 2S(Y)K12 | 1 | 0.5 | 1200 | 44.5 | 250 | 80 |
1, Inside the table above, the main pump could be"ZJ"pump, or"ZJP"pump with overflow valve;When"ZJP"is as the main pump, "Z"should be changed to"ZP", "S"represents Water Ring Vacuum Pump, while"Y"does Liquld Ring Vacuum Pump.
2, If Roots Vacuum Pump and Water(Liquid)Ring Pump are operated at 60Hz, the displacement should be increased to 1.2 times.
OUR SERVICE
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 time
Warranty:If pump appear quality problems, free replacements of spare parts will be offered within one year





WE CAN PROVIDE YOU
1.On-time Delivery, with More Choice
2.Perfect Technical Support
3.Customized Vacuum Solutions and Service
4.Samples Available
5.Long Quality Guarantee
6.Fast Response to Customers' Feedback in 12 hours
DEVELOPMENT VACUUM EQUIPMENT Co., Ltd
ADD:DONGGANG INDZONE, TAIZHOU, ZHEJIANG, China PC:317106
TEL:+86-576-83598308 FAX:+86-576-83598309
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