Pressure Filters

Approx. Rs 40,000 / Unit Get Latest Price

We manufacture Cartridge Type Pressure Filters.

Working:

• The dirty fluid is pushed into the filter housing under pressure. Filter elements of correct filtration rating are placed in the housing depending on the flow & other requirements. The ends of the filter elements are sealed so that the fluid is made to pass through the filter medium only, to leave the dirt on the filter medium. Generally, the inlet & outlet are in one line. However, the position of the inlet could be altered as per the requirement.

Applications:

• A variety of applications is possible depending on the requirement. such as filtration of hydraulic oils, lube oils, fuels, cutting fluids, coolants, washing fluids etc.
• The variety of filter elements are available depending on the fluid to be handled (oils, water based fluids, chemically active fluids washing fluids etc.) dirt to be filtered (from 1 micron till very course mesh type strainers) & type of filtration (disposable elements & re-usable elements).
• The housings are sized depending on the application & rated flow requirement.
• (Housings of 1, 2, 4, 8, 14 & 24 elements are available.)
• Housings are designed for 10 bar pressure.
• These can be designed for higher pressures.
• The housings of the verity of the material of construction are supplied depending on the requirement.

Features:

• These filters have some unique features making them maintenance friendly. Hinged bolts clamp lids. (Strap clamps are adapted on smaller housings.) Easy to operate lid lifting is for heavier lids. Bottom sealing surface for elements is away from filter housing keeping sedimented dirt away. This can be removed through the drain arrangement.

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As the name suggests this series contains the completely back washable candle filters. Veeraja has developed this series keeping in mind the customers requirement of least possible consumables without hampering the filtration quality.

• Zero Consumables
• Completely Automatic operation
• Filtration levels of upto 1 micron

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Pressure filters housing are pressure vessels in which cartridge filters / elements are assembled. These elements can be of various micron rating from 300 micron to 1 micron and suitable different type of fluids like water based emulsion, cutting oils or washing fluids.

The filter housing are manufactured in carbon steel or stainless steel and tested for 2 times the working pressures.

• Dirty fluid inlet is connected to inlet of the housing
• Fluid passes through cartridge. Dirt is trapped in the cartridge
• Clean fluid comes out from outlet flange
• A pressure switch gives an indication when the cartridge chokes.

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Standard filter are not able to provide very fine filtration of 1 micron or lesser is required. In such cases precoat filter is used. Precoating is a process of adding a graded powder to form a layer on the standard filter media. The layer provides a larger surface area which in turn increases the dirt holding capacity. It also generates a toroidal path for the fluid, thereby entrapping the finer particles.

• Precoat powder is added in controlled measure based on your application.
• Clean fluid is supplied to the machine after the precoating cycle is complete.
• A separate clean tank provides clean fluid to your machine while the indexing process is going on.
• fluid is fed under pressure in to inlet manifold. It is distributed equally in plates. Filter papers clamped & supported between plates separate the dirt & form a layer (cake). This effects finer filtration. Differential pressure is monitored in inlet and outlet manifold. At a preset level, the indexing cycle starts. First the inlet actuated valve is closed. Compressed air is pushed in the inlet manifold to remove the fluid inside the plates. This also purges the filter cake and makes it dry. Then with help of hydraulic or pneumatic cylinders the top plate is opened. A geared drive moves the belt which is supporting the filter cake. Once the complete filter cake is pulled out, the top plate closes and inlet actuated valve is opened. Normal filtration process begins again.

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Dirty fluid is fed under pressure in to inlet manifold. It is distributed equally in plates. Filter papers clamped & supported between plates separate the dirt & form a layer (cake). This effects finer filtration. Differential pressure is monitored in inlet and outlet manifold. At a preset level, the indexing cycle starts. First the inlet actuated valve is closed. Compressed air is pushed in the inlet manifold to remove the fluid inside the plates. This also purges the filter cake and makes it dry. Then with help of hydraulic or pneumatic cylinders the top plate is opened. A geared drive moves the belt which is supporting the filter cake. Once the complete filter cake is pulled out, the top plate closes and inlet actuated valve is opened. Normal filtration process begins again. A separate clean tank provides clean fluid to your machine while the indexing process is going on.
For finer filtration we need to use finer filter media. But such media offers resistance to flow and hence cannot be used in gravity filter. If we could increase the differential pressure across the filter media, we could achieve finer filtration. A flat bed pressure filter does exactly that.