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Knock-out Pot/Inlet Filter

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This filter is designed to remove liquids and/or particulate from the process gas of industrial equipment. The separation of entrained materials is accomplished in three stages. The first stage removes the bulk liquid by the centrifugal motion of the gas stream as it enters vessel through a tangential inlet. In the second stage, a demister removes small liquid particles of mist and also acts as a pre-filter for particulate. Properly selected, conventional pads are ideal in most applications. At the moderate vapor velocity and liquid load for which a pad is designed, liquid trying to escape collects in a thin, flooded layer at the bottom of the pad. Bubbling causes re-entertainment of liquid, compounding the mist load. Virtually all droplets large enough for the wire to capture are eliminated in the lower half of the pad. The upper part, inactive as yet, is available for increased loads. The third stage is a particulate filter which removes solids with a standard efficiency of 98% of 4 microns.

VFS Series: Separator/Coalescer

These filters are designed for separation of oil, water and other liquid aerosols, as well as solid particles from compressed air and gas lines. This model utilizes one or more high efficiency coalescing filter elements that provide clean, dry oil-free air that is essential in many critical applications.

Unlike standard inline filters, coalescing filters carry air flow from the inside out; contaminants are captured in the filter matrix and collect together into larger droplets through collisions with the glass micro fibers. These droplets eventually emerge on the outside of the filter element where they are drained away by gravity.

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VLS Series: Separator

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The VLS Series is designed to effectively remove dirt, pipe scale and other particulate from water, liquid chemicals and petroleum products in liquid pipeline applications. Units are supplied with heavy-duty sewn end (radial fin) elements designed exclusively for use in liquid applications. All models provide a large-volume sump area for collection of contaminants below the filter element.

Connection Size: 1/2" to 12"
Flow Rates: Up to 36,000 GPM
Efficiencies: To 1 micron and larger at 98% nominal

VAG Series / VVS Series

These models are designed to remove dust, dirt, pipe scale, and other contaminants from compressed air and gas pipelines. The VAG Series provides positive protection for pneumatic controls, meters and other pipeline equipment.

The VVS Series provides positive protection for all types of pumps and vacuum service. Each unit is individually tested to assure vacuum tightness.

The vessel design allows for mechanical separation of dirt and other contaminants into a large-volume sump area. Thus, increasing the life of the filter element.


Custom design and materials are available on all models in order to meet higher flow rates and special applications.