Brief Introduction
Circulating water multipurpose vacuum pump is the latest designed vacuum pump model with circulating water as working fluid, and it adopts jet technology to create negative pressure. It is not only a kind of vacuum suction device, but also supplies cooling water to the reaction device at the same time. It has the non-oil, free-pollution, anti-corrosion, low noise, easy to move and so on features.

Application
It provides vacuum condition for evaporation, distillation, crystallization, drying, distillation, filtration pressure, vacuum degassing experiments. Especially suitable for colleges and universities, research institutes, chemical, pharmaceutical, biochemical, food, pesticides, agricultural engineering, biological engineering etc industries’ scientific research, pilot and production.
Features
♦ One machine with multi-pipe operation, where three sets (five sets )of air exhauster are fixed and can be used independently or parallelly, compared with desktop pump, swept volume is bigger, applied to large swept volume vacuum needs.
♦ Corrosion resistance, free-pollution, stable performance, low noise and durable.
♦ The tank is made from Polyvinyl chloride plastics, free-pollution; The shell adopts stainless steel material or static spring plastic.
♦ Host stainless steel movement and anti-corrosive movement models.
♦ The water-line target, light shows high, medium and low.
♦ 4 trundles make the movement easily
♦ The air exhaustor, three links, check valve, suction nozzle are made of PTFE, anti-acid and alkali.
♦ Pump body and impeller are made of corrosion protection polypropylene.
♦ Special customized motor by well-known manufacturers, fluorine rubber mechanical seal to keep no corrosive gas into the motor.
♦ There are several sets pumping system inside the pump. Three or five sets taps are installed in this model, alone or in parallel.
Compared with desktop pump, it has larger amount of exhaust, in particular suitable for big device’s demands.

Technical data

Instructions

1. Add enough circulating water. Put the machine on the worktable steadily, first use, please open the mouth which is add water, ice. Then, pour into cool tap water, observe the water level float, stop adding water when the water level reaches the best level scale.

2. Power on. Please correctly connected the power cord between the machine and power supply.

3. Vacuum operation. Please let the suction cannula tightly attached to the suction mouth, checking circulating water switch to make it closed, then read out the indicated vacuum degree.

4. Provide circulating cooling water. When you need to provide recycled water to the reaction device, please contact the circulating water device with cannula, and then start the water cycle switch, you can realize the supply of circulating cooling water.

5. Outside the natural cycle. When the machine needs long time operation , in order to prevent the circulating water temperature rising and affect the vacuum effect, we can use a hose connected to water, control the tap water flow properly and let it formed natural circulation state. We also must continuous supplement and replace the cool water to keep circulating water temperature does not rise, it will not affect the vacuum effect.

Packaging

-Plywood or carton packaging;
-Both neutral and customized packaging can be available.
Shipping
-We can ship the goods to you by International Express such as DHL, TNT, EMS, FedEX and so on and you can also choose the appropriate one based on your timeline and budget. Besides, you can definitely choose to use your own shipping agent.

Service promise

1. Products quality guarantee is for one year, after the product was sold.

2. In the warranty period, the users operate according to instruction but meet problems, our company will maintain free of charge. 

3. Beyond the warranty period, products problems can also be solved by my company maintenance, but charge wiring components fees properly.

Technology service
1. We have a mobile repair service team in our company,  to carry out maintenance, consulting services in china for many years.

2. Users encounter problems when using our products, please contact us by telephone or email, we will be ready to provide consulting, maintenance and other services immediately.

zhengzhou keda Machinery and Instrument Equipment Co., Ltd, established in 1981, is a famous manufacturer of Lab equipment located in the central China. We specialized in rotary evaporator, jacketed glass reactor, single layer glass reactor, circulating water vacuum pump, low temperature reaction bath (slot), cooling chiller, vacuum drying oven, blast drying oven, high-pressure reaction kettle, freeze dryer(lyophilizer), water/oil bath, magnetic heating stirrer, hydrothermal synthesis reactor, heating mantle, lift table and so on.

Present,we have become a pacesetter of the lab instrument in China.Our products have been exported to the countries such as the UK, Greece, Poland, US, Australia, Brazil, South Africa, Ghana, Egypt, Iran, Pakistan, Thailand, India, Singapore, Malaysia and so on. Our products are also earning wide recognition among our users.
Though our foreign trade is not for long, we do have a history of more than 30 years for domestic trade. To assure the good quality & good service is our consistent aim.