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 them ideal for suctioning air, steam, gas containing moisture, and powder gases without granules. These pumps are commonly used in low to rough vacuum applications with large capacities, such as vacuum drying, vacuum concentration, vacuum evaporation, vacuum degassing, and vacuum distillation. They are suitable for various industries including medical/pharmaceutical, chemical, textile, power plants, food-related sectors, metallurgical, and papermaking.
Note: The optimal temperature for the supplied water is 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 may vary)
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 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 pricing.
2. Impeller is produced by our company, made from alloy copper.
3. The inner pump cover has an anti-fouling coating.
4. Fluororubber mechanical seal is used to prevent corrosion.
5. All motors have CE marks and are manufactured by us to ensure compatibility with our models.
6. A complete 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 based on client requirements.
Provide detailed product specifications and reasonable prices.
In-Sales Service
Supervise the entire production process from raw materials, assembly, painting, to packaging.
Provide performance curves of the product to customers.
Send inspection pictures to customers after production is completed.
After-Sales Service
Provide installation manuals.
Under correct installation, normal maintenance, and usage, we guarantee a one-year warranty.
If there is a malfunction, we will respond within 24 hours and provide solutions or send technical staff to the site upon receiving maintenance notification.
Packaging & Shipping
Packaging:
Standard export polywooden cases.
Customized packaging is available.
Shipping:
Shipping Method | Note |
Express | Door-to-door service, very convenient, no need for customs clearance or pickup. |
By Air | Airport to airport, you need to handle customs clearance and pick up goods at your local airport. |
By Sea | Port to port, you need to handle customs clearance and pick up 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 are your payment terms?
    A: T/T, Western Union, etc.
4. Q: What certifications do you have?
    A: CE, ISO 9001, UL, etc.
5. Q: How about the warranty?
    A: 12 months warranty from delivery date.
6. Q: What is the delivery time?
    A: For orders under 20 sets, delivery time is approximately 15-20 days. For larger quantities, we need to double-check.
7. Q: Can you do OEM branding?
    A: Yes, we welcome OEM orders.
8. Q: Is the quality reliable?
    A: We have a complete testing system controlled by micro-machines, and we can send performance curves to clients before delivery.
Contact us
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HANNSTAR INDUSTRY , https://www.hannstarindustry.com