Guard Filter  Manufacturers, Traders, Suppliers

• In addition to hydraulic hoses, HANSA-FLEX offers a comprehensive range of connecting elements for hydraulics. All products are usually on site within 24 hours.
• With X-CODE, HANSA-FLEX has also developed an identification system that has revolutionised spare parts service. Unplanned machine downtimes are reduced to a minimum.
• Specialised HANSA-FLEX installation teams and the Hydraulic Instant Service (FLEXXPRESS) are always on standby with fully equipped workshop trolleys.
• Certified to DIN EN ISO 9001:2008, HANSA-FLEX stands for the highest quality standards in fluid technology.

Filter Type W is a very economical strainer:
Its pressure loss is only 50% in comparison to conventional pot / basket strainers and only 25% in comparison to Y-Filters of same dimension and sieve mesh.
This advantage reduces the cost of pump energy and result in extended reserves until the cleaning cycle. Connectors for the differential pressure are standard from size DN 150 and above (below upon request possible).
The streamlined angle of impact between the flow and the sieve / screen results in a slowly increasing pressure loss, caused by dirt, and at least more than double the operational time before cleaning.
As the cleaning cover is located at the top, the rare cleaning cycle is easily and conveniently carried out. The sieve is a closed basket and simultaneously serves the complete removal of the dirt – hence the remaining medium is already cleaned and can be just drained.
Traditional pot or basket strainers are limited by their horizontal installation in pipelines.
In the past, the option to utilise a strainer also in vertical mounting was only provided by Y-Filters – with its given disadvantages of high flow resistance and inconvenient handling of the cover for removal of the sieve (net weight of the cover, overhead work).
The Filter Type W, however, can be installed in both ways – with its given advantages in regards to minimal pressure losses and low frequency of maintenance.
In addition, equipping the Filter Type W with swivel (horizontal) or swing arm (vertikal) provides the maintenance personnel easier handling of the cover and a crane-independent removal of the sieve – with the dirt for cleaning.

Designed for: hydraulic
Filtration element: basket, strainer
Other characteristics: W
Operating pressure: Min.: 16 bar (232.06psi) / Max.: 100 bar (1450.38psi)

Strainers in pipelines have the following function:
Preventing faults and avoiding damaging of existing plant components;
Cleaning of the flowing medium.
These two primary tasks are valid in all areas of application – regardless whether the media are:

• Hot water (district heating systems)
• Cold water (Cooling Systems, municipal applications)
• Hydrocarbons (pumping of oil, petroleum, LNG/LPG)
• Acids or alkalis (chemical plants).

Generally, these tasks are fulfilled by all commercially available filter types, however with high energy requirement and frequent maintenance intervals. Additional cost for shutdown and cleaning could also be reduced.
Find enclosed a comparison of various filter types, 345 KB (.pdf)
Overall analysis and solution approach
Minimum €500 Mio. additional cost of pump energy arise in German plants every year!
The reason for this is the installation of common strainers with respective high flow resistance figures (ζ = 3 ... 7 and higher).
The Filter Type W offers with its ζ = 0.7 - 2.3 the solution:
efficient + effective= economical

High hanging flame protection filters in extractor hoods in commercial kitchens are sometimes difficult to access.
We have the solution to this problem.
The ETFS was developed for flame-retardant filters in high-hanging cooker hoods in commercial kitchens.The flame protection filters (aerosol separators) must be removed from the extractor hood for cleaning at least once a week. In practice, it is not possible to remove the flame protection filters (FS) from the hoods without the aid of ladders, stools or other elevations. Often the employees stand on cooking or working surfaces that are covered with grease for this purpose.
The risk of slipping and injuring themselves considerably is very high. This therefore represents a not inconsiderable accident risk for their staff. We have taken up this problem and would like to give you an understanding of our product today.