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Pressure Leaf Filters

RS and RB filters

The RS and RB filters feature vertically positioned filter leaves in a horizontal cylindrical tank.

Both types of filters are available with filtering surfaces of 5 to more than 200m, for both dry and wet cake removal. Depending on the application, the cover closure can be fitted with eye bolts and nuts, or with the special quick-acting bayonet/wedge lock closure developed by LFC.

Pulse Tube filter

The Pulse Tube filter is a filter type developed by LFC Lochem which has proved useful in many applications.

As a single or polishing tube filter, it is especially suited to applications involving high filtration speeds combined with low solids concentrations, and where wet cake removal is possible. Process Pulse Tube filters, on the other hand, are used for both wet and dry cake removal and even as a continuous thickener. The filter is exceptionally versatile and is available with surfaces up to approximately 100m.

Nutsch filter

The Nutsch or single-plate filter is a real batch filter and is versatile and flexible in use. 

It too can be used in conjunction with a wide range of filter media, such as paper, textile filter fabric, needle felt, membrane filter cloth, wire mesh and sintered metal. The filtering plate base is positioned horizontally, which makes washing or further treatment of the filter cake very easy. On request, the Nutsch may be equipped with a mixer for continuous or re- suspension of solids.

Model Vertical Filter (MV-Filter)

The vertical MV Filter is an extremely economical filter which has a cover closure with eye bolts and stirrup nuts fitted as standard.

A hydraulic davit is mounted for quick and easy cover opening. Depending on the application and on whether dry or wet cake is being removed, the filters are equipped with either a vibrator system or an oscillating sluice header. There is also a model which combines both systems. MV filters are available with filtering surfaces of 0.15 to 100 m.

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Filter Presses

Filter Press GHT4x4

The GHT 4x4 is a filter press with high productivity. The filter plates, which are hung from the upper beam, are moved automatically by a rapid shifting device equipped with a carousel system which reduces the filter press opening and closing sequence to the minimum. Four hydraulic cylinders placed on the plate pack corners ensure perfect operation and limited structural stress, even in the most unfavourable working conditions. Effectively guarded moving parts and the use of state-of-the-art electronic interlock systems mean that the GHT 4x4 conforms to the highest operator health and safety regulations. Routine maintenance operations are simple, thanks to easy access to the filter plates, both for inspection and for filter cloth replacement.

Both types of filters are available with filtering surfaces of 5 to more than 200m, for both dry and wet cake removal. Depending on the application, the cover closure can be fitted with eye bolts and nuts, or with the special quick-acting bayonet/wedge lock closure developed by LFC.

Filter Press GHS

The new GHS filter press has a strong and elegant design. Its refined push to close type upper beam structure ensures a better functional reliability in all working conditions making the access to the filter plates much easier. GHS is an automatic filter press where the plates, which are hung from the upper beam, are moved automatically by a rapid shifting device equipped with a carousel system which reduces the filter press opening and closing sequence to the minimum.

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Vacuum Filters

Rotary Drum Vacuum Filters

Belt, string, scraper-assisted blow-back or roll discharge are all applicable where the solids are filterable on themselves. Each requires a cloth, paper, or woven synthetic fabric filter media. The basic difference between these types of filter is the manner in which the cake is discharged, which is determined by the characteristics of the cake itself.

Horizontal Rotary Filters

Well suited for the filtration of free-settling, free filtering coarse crystalline or fibrous pulp slurries. They provide rapid dewatering and efficient cake washing at large cake capacities.

Travelling Belt Filters

Also well suited to the filtration of fast draining slurries. The travelling belt filter is well suited to applications requiring thorough cake washing (including multi-stage counter-current washing) at high throughputs.

Precoat vacuum filters

This type of filter is preferred to those processes requiring a high degree of clarity in the filtered liquid, or where the solids filter poorly on themselves, ie some slurry solids blind or choke off the filtering action. This type of filter requires the use of a filter-aid (normally diatomaceous earth) to build up a filtering cake on the surface of the rotating drum.

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Self Cleaning Strainers

Intake and cooling water filters

We can provide water filtration products & systems as integrated components or as complete filtration solutions. Typical applications are the removal of solids within intake water, cooling water, process water, service water and wastewater. These filters are built to meet the strict requirements of the industrial sector. Flexible configuration makes these filters suitable for installation anywhere along the water system line. In addition to the standard range of filters, we can also supply customized products and systems to meet the special requirements of the customer.

Industrial Automatic self-cleaning Water Filters

Real-time self-cleaning filters: clean themselves automatically when head-loss across the screen reaches a pre-set value. Uninterrupted water supply: the filter cleans itself in just seconds without interrupting downstream flow.Modular structure: different diameters, suitable for use singly or in manifold configuration, providing optimal solutions to meet specific customer requirements. Flexibility of control options: Hydraulically or electronically controlled units. Flushing according to pressure differential and/or time. Continuous flushing, alarm signals, flushing counter etc. Wide range of filtration degrees: from 3500 to 3 micron.

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