Product Description:
The Circulating Water Multipurpose Vacuum Pump is a versatile device that uses circulating water as its working fluid and employs jet technology to create negative pressure. It comes in two main types: desktop and vertical. The vertical type offers higher capacity and greater pressure, while the desktop version is available in anti-corrosive or stainless steel models. Transparent tank options are also available.
This pump features a compact design with a one-piece shell, making it lightweight, compact, and aesthetically pleasing. Models such as the double-gauge, double-tap, and four-gauge, four-tap versions are ideal for visual experiments in classrooms, allowing teachers to demonstrate easily and students to operate from either side without difficulty.

Technical Parameters:
Model | SHZ-D(III) Double Gauge, Double Tap | SHZ-D(III) Four Gauge, Four Tap |
Power(W) | 180 | 370 |
Flow(L/min) | 60 | |
Lift(m) | 8 | |
Body material | Anti-corrosion / 1Cr18 | |
Max. Pressure (MPa) | 0.098 | |
Sucking Rate for Single Tap (L/min) | 10 | |
Quantity of Tap (Pcs) | 2 | 4 |
Tank Capacity (L) | 15 | |
Remark | Can be equipped with 2L, 5L glass reactor or rotary evaporator. Better vacuum performance when water temperature is between 4°C and 10°C. |
Features of Circulating Water Vacuum Pump:
(1) Water-saving and recyclable use. Testing shows that continuous use for one day can save more than 8 tons of water.
(2) Multi-functional application. Provides vacuum conditions and circulates cooling water to the reaction device. Suction air holes can work independently or in parallel.
(3) Corrosion-resistant, pollution-free, stable performance, low noise, and long-lasting durability.
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Application of Circulating Water Pump:
It provides vacuum conditions for evaporation, distillation, crystallization, drying, filtration, and vacuum degassing experiments. It is especially suitable for colleges, research institutes, chemical, pharmaceutical, biochemical, food, pesticide, agricultural engineering, and biotechnology industries for scientific research, pilot testing, and production.
The circulating water pump is used as a vacuum source for rotary evaporators and glass reactors.

Packing:
- Glass parts are wrapped in foam and placed in a carton; the main body is packed in a wooden case.
- Neutral and customized packaging options are available.
Shipping:
- We can ship the goods via international express services like DHL, UPS, TNT, etc. You can choose based on your timeline and budget. Alternatively, you can use your own shipping agent.
Zhengzhou Keda Machinery and Instrument Equipment Co., Ltd. is a well-known manufacturer of laboratory equipment located in central China.
The company mainly produces high-temperature circulating water/oil baths, rotary evaporators, short-path distillers, glass reactors, circulating water vacuum pumps, low-temperature reaction baths, cooling chillers, drying ovens, high-pressure reaction kettles, freeze dryers, magnetic stirrers, hydrothermal synthesis reactors, heating mantles, lift jacks, and more. We have become a leading supplier of lab instruments in China.
Pre-sale Service:
24-hour online service for your inquiries.
Help choose the right model and offer comprehensive support, advice, and guidance.
Discounts available for bulk orders.
Flexible payment terms to suit your needs.
Prompt production and delivery with timely updates.
After-sales Service:
1-year warranty and lifetime maintenance support.
Technical engineers available for overseas training.
Free replacement of certain parts.
Remote technical consultation available.
Free installation DVD included.
Comprehensive maintenance plans provided.
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We are confident in providing professional products and services that meet your needs.
We guarantee that your inquiry will receive our immediate attention.
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