4KW Liquid/Water Ring Vacuum Pump for Medical and Pharmaceutical Industry
Product Description
The SK series liquid ring vacuum pump and compressor use water as a sealant, making it ideal for suctioning air, steam, gas containing a lot of moisture, and powder gas without granules. These pumps are particularly suitable for applications requiring low or rough vacuum levels and large capacity areas such as vacuum drying, vacuum concentration, vacuum evaporation, vacuum degassing, and vacuum distillation. They are widely used in the medical/pharmaceutical industry, chemical industry, textile industry, power plants, food-related industries, metallurgical industry, and papermaking industry.
Note: The supply water temperature is best around 5-20°C, and the suction gas temperature should be below 40°C.
Pump Specifications(when motor is 220V, 50HZ, 3phase or 380V, 50HZ, 3phase; if pump motor is special, specifications are subject to change)
Model |
Power (KW) |
Capacity (m³/min) |
Ultimate vacuum (-Mpa) | Intake and exhaust diameter (inch) |
Weight (KG) |
Size (L*W*H) |
Supplying water (L/MIN) |
Noise: dB(A) |
SK-0.15 | 0.55 | 0.15 | 0.096 | G1/2" | 12 | 317*176*206 | 6 |
 <72  |
SK-0.2 | 0.75 | 0.2 | 0.096 | G1" | 36 | 400*200*268 | 6 | <72 |
SK-0.3 | 1.1 | 0.3 | 0.096 | G1" | 39 | 420*200*260 | 15 | <75 |
SK-0.5 | 1.5 | 0.5 | 0.096 | G1" | 41 | 428*200*275 | 19 | <75 |
SK-1.2 | 3 | 1.2 | 0.096 | G1" | 63 | 497*232*311 | 20 | <75 |
SK-1.5 | 4 | 1.5 | 0.096 | Φ40(mm) | 75 | 571*254*325 | 22 | <75 |
SK-2 | 4 | 2 | 0.096 | G1/2" | 82 | 560*250*336 | 23 | <82 |
Product Details
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This series of vacuum pumps are widely used in the medical/pharmaceutical industry, chemical industry, textile industry, power plant, food-related industry, metallurgical industry, and paper making industry.
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1. Over 30 years of experience in quality control and lead time, and we can provide competitive prices.
2. Impeller is produced by our company, made from alloy copper.
3. The inside pump cover has an anti-fouling coating.
4. Uses fluororubber mechanical seal to prevent corrosion.
5. All motors have CE marks and are manufactured by our company to ensure power and perfect match with our models.
6. Entire testing system controlled by micro-machine.
7. For quality issues, we guarantee repair or replacement within one year.
Pre-Sales Service
Provide 24-hour response.
Provide suitable models according to clients' requirements.
Provide detailed product specifications and reasonable prices.
In-Sales Service
Supervise the entire production from raw material, assembly, painting to packaging.
Provide product's testing performance curve to customers.
Provide inspection pictures to customers after production completion.
After-Sales Service
Provide installation manual.
Under correct installation, normal maintenance and usage, we guarantee a one-year warranty.
If the product malfunctions, we will respond within 24 hours and provide solutions or even send technical staff on-site after receiving maintenance notification.
Packaging & Shipping
Packaging:
Standard export polywooden cases.
Customized packaging is available.
Shipping:
Shipping method | Note |
Express | Door to door, very convenient, no need for customs clearance or pickup. |
By air | Airport to airport, you need to do customs clearance and pick up the goods at your local airport. |
By sea | Port to port, you need to do customs clearance and pick up the goods at your local port. |

FAQ
1. Q: Are you a manufacturer or trading company?
A: We are a manufacturer of vacuum pumps and water pumps since 1986.
2. Q: What's your MOQ?
A: One set.
3. Q: What's your payment terms?
A: T/T, Western Union, etc.
4. Q: What certificates do you have?
A: CE, ISO 9001, UL, etc.
5. Q: How about the warranty?
A: 12 months warranty since delivery.
6. Q: What's the delivery time?
A: For quantities below 20 sets, delivery time is around 15-20 days; for more than 20 sets, we need to double-check.
7. Q: Can you do OEM branding?
A: Yes, welcome.
8. Q: Is the quality reliable?
A: We have a complete testing system controlled by a micro-machine, and we can send the performance curve to clients before arranging delivery.
Contact us
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HANNSTAR INDUSTRY , https://www.hannstarindustry.com