Liquid Ring Vacuum Pumps for Extruder Venting

The liquid ring vacuum pump is used in the plastic extrusion ventilation system to absorb smoke, bubbles and gases from the process. Because water-filled liquid ring pumps are oil-free, these pumps can avoid potential compatibility problems between product degassing and oil-filled pumps.
Popular extrusion ventilation solutions include 3 to 15 horespower B series integral (motor mounted) pumps or small two-stage pumps (driven separately). Motor mounting pumps are compact, while two-stage pumps are longer. Monobloc pump is most suitable for installation of 22-25 ACFM. Two-stage pump produces deeper vacuum (29 ACFM).
In the process of plastic extrusion, the plastic granules are fed into the hopper, and then melted through the internal heating elements. The rotating screw pushes the molten material down into the chamber and passes through the die at the end of the machine. The shape of the die determines the shape of the product. Common products are plastic pipes, window shaping and other angular shapes.
Ventilation pumps are usually located next to extruders and require little maintenance except for inlet filters and mechanical seals.

Liquid Ring Vacuum Pumps for Extruder Venting

In addition to liquid ring vacuum pumps, we can also choose which vaccum pump for extruder machine.

Customer question: How to choose vacuum pump for plastic extruder
A: Hello, your question is too simple. This requires a professional engineer to answer for you.
But first of all, we should pay attention to the following points
1. What is your vacuum?
2. How much air flow do you want, that is, how much air extraction rate do you need?
Only through these air pump manufacturers can you choose the type.
You can send an email to our company: contact@evpvacuum.com.
We make Gaorui liquid ring vacuum pump, a Chinese brand. I hope it will help you. Thank you!

Design and operation of process vacuum system for more than 10 years

Our expertise in process vacuum system design and operation includes: liquid ring, rotating blade, one pass through rotating blade and dry vacuum pump. Depending on the application, we may also recommend multi-stage mixing design with first stage blade blower (supercharging) or steam injection.
We designed hundreds of industrial vacuum pumps using Busch, Dekker Vacuum (DVT), Kinney, Intervac, Nash, Rietschle, Robuschi, Siemens, SiHi, Stokes and Travaini industrial vacuum pumps.
Wintek has been granted a patent for molecular sieve dehydration unit (MSDU) due to the increasing demand in the field of alcohol dehydration, which saves a lot of energy for processes with water content less than 15%.
Our engineers carefully review customer applications and requirements to provide the best solutions to limit risk and downtime costs. We will explain with you the strengths and/or weaknesses of the equipment we are configuring so that you can understand the reasons behind our design. Our vacuum system design philosophy is designed to ensure the highest reliability and value of your project budget.

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