APV offers a wide range of homogenisers including laboratory, pilot plant, and production models, with hundreds of in- novative solutions for even the most highly specialised application. Whatever your process requirements, we can deliver a homogeniser customized specifically for them. APV homogenisers are available in capacities up to 60,000 l/h and at operating pressures as high as 2,000 bar. Options include the availability of soundproof cabinets to reduce noise emissions in higher capacity models.
APV is recognized as the world leader in homogenisation. APV Rannie and Gaulin homogenisers are widely used in the dairy, beverage and food industries. They are also used in the production of pharmaceutical and healthcare products, and in some biotech and chemical applications.
- homogenisers are 3A approved
- they meet the European CE standard
- homogenisers can be designed with FDA approved packings.
- APV homogenisers support the EHEDG
- They can be used as high pressure pumps
The unhomogenised product enters the valve area at high pressure and low velocity. As the product enters the adjustable, close clearance area between the valve and seat, there is a rapid increase in velocity with a corresponding decrease in pressure. The intense energy release causes turbulence and localised pressure differences, which will tear apart the particles. The homogenised product impinges on the impact ring and exits at a pressure sufficient for movement to the next processing stage.
For processing of emulsions a single-stage valve assembly may be used. However, the use of a two-stage assembly, where 15 – 25% of the total pressure is applied to the second stage, will improve the stability of most emulsions. For processing dispersions a single-stage valve assembly is usually preferred.
If a narrow particle size distribution is required, it may be necessary to homogenise the product more than once. This can be done by two or more homogenisers in a series, which ensures discrete passes, or by re-circulating the product through a single unit.