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{"title":"Vacuum Dry Screw Pump Oil Free Water Cooling High Vacuum CE Certified","imgUrl":"https:\/\/img.chinax.com\/nimg\/43\/09\/d7b4c553459265a2d7dfd3246897-200x200-1\/vacuum_dry_screw_pump_oil_free_water_cooling_high_vacuum_ce_certified.jpg","attrs":{"Brand Name":"KN","Model Number":"LGV","Certification":"CE, ISO, IAF, CNAS","Place of Origin":"China"}}
{"title":"LGV-180 Dry Screw Vacuum Pump With 180m3\/H Pumping Speed Water Cooled Design 4kw","imgUrl":"https:\/\/img.chinax.com\/nimg\/7e\/d6\/e9e2cef118357465fc8f8897c763-200x200-1\/lgv_180_dry_screw_vacuum_pump_with_180m3_2fh_pumping_speed_water_cooled_design_4kw.jpg","attrs":{"Brand Name":"KN","Model Number":"LGV-180","Certification":"CE, ISO, IAF, CNAS","Place of Origin":"China"}}
{"title":"LGV-250 Screw Dry Vacuum Pump With 250m3\/H Pumping Speed Water Cooled Design","imgUrl":"https:\/\/img.chinax.com\/nimg\/f7\/c4\/5d72d8b81a016e6bdb79a13586dd-200x200-1\/lgv_250_screw_dry_vacuum_pump_with_250m3_2fh_pumping_speed_water_cooled_design.jpg","attrs":{"Brand Name":"KN","Model Number":"LGV-250","Certification":"CE, ISO, IAF, CNAS","Place of Origin":"China"}}
{"title":"LGV-360 Dry Screw Vacuum Pump With 360m3\/H Pumping Speed Water Cooled For Oil","imgUrl":"https:\/\/img.chinax.com\/nimg\/ea\/fb\/031200cec7c9a806d691a79318a3-200x200-1\/lgv_360_dry_screw_vacuum_pump_with_360m3_2fh_pumping_speed_water_cooled_for_oil_free_operation.jpg","attrs":{"Brand Name":"KN","Model Number":"LGV-360","Certification":"CE, ISO, IAF, CNAS","Place of Origin":"China"}}
{"title":"LGV-720 Dry Type Vacuum Pump With 720m3\/H Pumping Speed 18.5kw","imgUrl":"https:\/\/img.chinax.com\/nimg\/40\/72\/b9468cd8ab6c09f7c6ef4ae6703f-200x200-1\/lgv_720_dry_type_vacuum_pump_with_720m3_2fh_pumping_speed_18_5kw.jpg","attrs":{"Brand Name":"KN","Model Number":"LGV-720","Certification":"CE, ISO, IAF, CNAS","Place of Origin":"China"}}
{"title":"LGV-1100 Dry Screw Vacuum Pump With 1100m3\/H Pumping Speed 22kw Oil And Gas","imgUrl":"https:\/\/img.chinax.com\/nimg\/26\/ae\/dc45da33b62f39e55baa131a290b-200x200-1\/lgv_1100_dry_screw_vacuum_pump_with_1100m3_2fh_pumping_speed_22kw_oil_and_gas_recovery.jpg","attrs":{"Brand Name":"KN","Model Number":"LGV-1100","Certification":"CE, ISO, IAF, CNAS","Place of Origin":"China"}}
The LG Series Dry Oil-Free Screw Vacuum Pump delivers high-performance vacuum solutions with oil-free operation, making it ideal for oil and gas recovery, solvent recovery, and special gas handling applications.
Key Features
Oil-free dry design - clean, environmentally friendly operation with no wastewater discharge
High vacuum performance ≤1 Pa with excellent pumping speed in high vacuum regions
Flexible cooling options - air-cooled or water-cooled configurations available
Corrosion-resistant flow components in titanium, stainless steel, or nano-ceramics
Automatic purging system for removal of condensable gases and particulate matter
Premium components including German seals and SKF/NSK bearings
5-stage gear teeth for enhanced performance
Low noise and vibration operation with energy-efficient design
Full certification including CE, ISO, IAF, and CNAS
Technical Specifications
Type (Air Cooled)
Pumping Speed (m³/h)
Pumping Speed (L/s)
Pressure Limit (Pa)
Power (kW)
Revolution (rpm)
Inlet Caliber
Outlet Caliber
Weight (kg)
Noise dB(A)
Dimensions (mm)
LG-5
5
1.5
≤5
0.37
2720
KF14
KF14
14
≤68
510*200*260
LG-10
10
3
≤5
0.75
2840
KF16
KF16
30
≤68
620*280*300
LG-20
20
6
≤5
1.1
2840
KF25
KF25
45
≤70
770*350*370
LG-30
30
9
≤10
1.5
2850
KF40
KF40
55
≤71
920*440*450
LG-50
50
15
≤10
2.2
2850
KF40
KF40
65
≤72
1080*500*550
LG-70
70
20
≤30
3
2870
KF50
KF40
72
≤72
1100*580*600
LG-80
80
23
≤30
3
2870
KF50
KF40
78
≤72
1180*660*680
LG-90
90
25
≤30
4
2890
KF63
KF50
85
≤73
1250*720*750
LG-100
100
30
≤30
4
2890
KF63
KF50
93
≤73
1310*750*810
Operation Notices
Inspect the pump for damage before installation and handle with care
Ensure power supply voltage matches the pump's rated voltage before operation
Not suitable for pumping explosive gases or gases with high oxygen content
Regularly inspect the inlet filter screen to prevent blockage
For water-cooled models, ensure continuous and clean cooling water supply
Applications
Widely used in various industrial applications including:
Oil and gas recovery, solvent recovery, special gas recovery
Vacuum coating, biomedicine, food processing
Single crystal furnace, vacuum molding, vacuum smelting
Electronic photovoltaic, semiconductor synthesis
Frequently Asked Questions
Can I place a sample order?
Yes, we welcome sample orders for quality testing. Mixed samples of different models are also acceptable.
What certifications do your pumps have?
Our pumps are CE, ISO, IAF, and CNAS certified, ensuring compliance with international standards.
Can the pump handle corrosive gases?
Yes, we offer corrosion-resistant options with titanium, stainless steel, or nano-ceramic flow passage parts.
What about the lead time?
5-7 days for sample preparation, 10-15 working days for mass production.
Do you have any MOQ limit for vacuum pump orders?
Low MOQ, 1pc for sample checking is available.
How do you ship the goods and how long does it take to arrive?
We ship by DHL, UPS, FedEx or TNT for urgent orders (3-5 days). Airline and sea shipping are also available for larger quantities.
How to proceed with an order for the vacuum pump?
Contact us with your requirements, we'll provide quotes and suggestions, you confirm samples and place deposit, we arrange production and deliver as scheduled.
Is it OK to print my logo on the vacuum pump?
Yes. Please provide your logo design files before production.
Do you offer a guarantee for the products?
Yes, we offer a 12-month warranty with free maintenance and replacement of faulty parts caused by quality issues.
How to deal with faulty products?
Our products have a defective rate of less than 0.1%. During warranty, we provide replacement parts or new pumps with your next order, or discuss solutions including recall for batch issues.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2017
Total Annual:
Thirty million-Sixty million
Employee Number:
50~100
Ecer Certification：
Verified Supplier
Shandong Kaien Vacuum Technology Co.,Ltd,is a high-tech enterprise integrating R&D,production and operationof vacuum equipment.The company has strong technicalforce,excellent equipment and considerate after-salesservice.The product manufacturing process is managedin strict accordance with ISO900... Shandong Kaien Vacuum Technology Co.,Ltd,is a high-tech enterprise integrating R&D,production and operationof vacuum equipment.The company has strong technicalforce,excellent equipment and considerate after-salesservice.The product manufacturing process is managedin strict accordance with ISO900...
