Contec liquid filtration
Maximum purity, high operational safety, absolute reliability – that is our aspiration.
The COLF (Contec liquid filters) product range is tailored to challenging filtration tasks. Reliable filtration and treatment of liquids is an important part of many industrial applications. For precise separation of solids from liquids, we offer a number of components and filter systems with the associated filter elements. Individual need determines the type of liquid filter. Special designs complement Contec's wide range of standard products for industrial filtration.
To give you the best technical solution possible quickly, we will support you from designing through the entire order transaction and beyond.
The filter systems and technologies Contec uses for liquid filtration set a high standard for quality and variety. Specialists who buy Contec liquid filters get not only quality, but also peace of mind. The results speak for themselves: maximum purity for the substances to be filtered, high operational safety and exemplary reliability.
Reliable filtration and treatment of liquids is an important part of many industrial applications, especially today. Contec filter media for liquid filtration meet the highest quality requirements of the water filter industry.
The needs of the individual case determine the type of liquid filter. Special designs complement Contec's wide range of standard products. Our Contec liquid filter (COLF) is available in a wide variety of designs and sizes with various throughputs and levels of filter fineness. The robust housing, made of plastic, steel or stainless steel, can be complemented with a special filter housing (optional) made of various materials and stands up to the highest loads. Fresh or salt water. Chemicals or mineral oil substances.
Contec delivers filter solutions for a number of applications, including preliminary filtration for RO plants, treatment of cooling water and filtration of lacquers, paints and various oils. The wide standard range is complemented by complete systems and special solutions according to customer requirements. The portfolio encompasses a wide range of materials, designs and levels of filter fineness.
Our application clearly shows the versatility with which Contec can tackle individual requirements. We use slot tube filters developed just for us in continuously operating piping systems.
Hans-Joachim Kamphowe, Works Manager
Ludwig Weinrich GmbH & Co.KG
We manufacture the SF cartridge filter housing according to customer specification, adhering to all quality requirements.
COLF (Contec liquid filters) are available in a wide variety of designs and sizes for various throughputs and levels of filter fineness. The robust housing, made of plastic, steel and stainless steel, can be complemented with a special filter housing (optional) made of special materials and stands up to the highest loads.
COLF is the name of Contec's Liquid Measurement division. It stands for Contec Liquid Filters.
Housings made of stainless steel are very resistant to temperature and pressure. If an application involves high pressures and temperatures, Contec stainless steel filters are the go-to solution. The surface can also be treated (polished) so that no germs, bacteria or other microorganisms can adhere to it.
Whenever aggressive media such as acids or lyes are to be cleaned, plastic is the material of choice for filter housings. Contec also offers special filter housings for the chemical and seawater areas.
Meltblown filter candles are manufactured with the meltblown process. Finer and coarser fibers are built up to a multi-layer structures with the finer layers inside and the coarser ones outside. There is a multi-layer gradation. Large particles can be retained in the outer layers and smaller ones in the inner layers.
To create wound filter candles, string is wound around a support (string winding process). Different strings can be used to cover virtually all media, from neutral to aggressive. Wound filters are robust and can absorb lots of contamination (long service life). Other advantages of wound candles are their low differential pressure and high flow capacity.
Activated carbon is a natural product based on natural carbonic raw materials. Its porous structure gives it a very large inner surface, allowing it to bind chemical compounds and molecules.
Activated carbon filters are used to reduce dissolved organic contamination (color, odor, and taste contaminants, chlorine, pesticides and medication residue). For example:
Microfiltration is a purely physical separation process. It usually requires no chemical additives. Microfiltration performs separation according to the mechanical size exclusion principle, that is, the filtration principle. For instance, substances in water such as wastewater that are larger than the membrane pores are retained by the diaphragm. Filtration with a diaphragm pore size smaller than 0.1 µm is called ultrafiltration. Filtration with a pore size larger than 0.1 µm is called microfiltration.
Diaphragm filtration is substance separation with filter elements that use porous diaphragms of defined fineness as a filter medium.
A distinction is made between
Separation is largely on the diaphragm surface. The average diaphragm pore size essentially determines the separation effect.
Contec diaphragm filters are always used when high levels of purity for the suspension to be filtered are desired. Contec diaphragm filters can be used most economically when the particle load for the suspension to be filtered is very low. Thus there should be pre-filtering to protect the high-quality diaphragm filter elements from clogging too quickly. Contec would be happy to advise you on these principles.
There are many uses for Contec diaphragm filters. They include the following:
The beta value or beta ratio is the proportion of the number of solid particles > x µm before and after filtration.
Wedge wire filters are also called slot tube filters and are characterized by their simple and fast filtering process Their innovative functionality allows manual or automatic cleaning without interrupting filtration and with minimum product loss during solids discharge.
Contec wedge wire filters can be used with almost all liquids (media), from watery to highly viscous. Examples include the following:
Filtration goes from the outside of the filter element to the inside, with the solids accumulating on the outside. Cleaning proceeds as follows: The geared motor turns the cylindrical filter element. Particles that are larger than the slot in the filter element accumulate on the surface and are scraped off by a blade. The solids collect in the bottom of the filter housing (filter sump), where they can be removed manually or released automatically and disposed of.
Contec filter bags are used to filter solids from liquids in such applications as water treatment, the electronics and photography industries, chemicals, surface engineering etc. Filter bags are made of a variety of materials and are easy to harmonize with a specific medium and filtration degree. Filter bags are an economical filtration solution.