Filtration Of Liquids & Gases From Coarse To Submicronic
Customized Filtration Solutions
Oil Purification Systems

Centrifugal-Action Separators for Low-Flow Applications

Ideally suited for small system applications, side-stream installations and individual equipment protection. LAKOS ILB Separators are the popular choice for removing sand, grit and other fine solids from source of process water/liquid systems, removing 98% of such particles 200 mesh (74 microns) and larger. With heavier solids (metal chips, lead, etc.), expect even better results. Its unique centrifugal style of filtration is not only efficient, but also trouble- free, boasting these standard features:

- No moving parts to wear out
This eliminates mechanical failures and troublesome replacement parts.

- No screens, cartridges, cones or filter elements to clean or replace
Saves labor, reduces downtime and eliminates the ordering and stocking of spare parts.

- No backflushing
Minimizes water/liquid loss. Zero liquid loss options available.

- No downtime requirements
All units are designed to operate continuously with no routine shutdowns for cleaning or maintenance. Purging of separated solids may be performed during full operation with no loss of performance.

- Low pressure loss
Consistent with the system’s flow rate, LAKOS Separators typically require no more than 5-12 psi (0.3 - 0.8 bar) for effective solids removal without troublesome pressure fluctuations.

3-290 U.S. gpm (.7 - 66 m3/hr) per unit
150 psi (10.3 bar)


Centrifugal-Action Separators for Low-Flow Applications- Purging
LAKOS ILB Separators must be purged regularly to remove the separated solids from the temporary collection chamber.

- Available in two standard materials
LAKOS ILB Separators are available in either carbon steel or stainless steel. Each has distinct qualities with regard to corrosion, pressure and cost.

LAKOS ILB Separators. The simple, easy-to-use solution for a wide variety of solids-from-liquids problems.

LAKOS Auto Purge with Motorized Ball Valve

The Motorized Ball Valve is operated by the LAKOS controller, a dependable solid-state unit for accurate operation even under severe environmental conditions.

  • Fully unattended automatic operation
  • Available in a variety of worldwide single phase voltages, from 24 VAC to 250 VAC
  • Program the purge cycle for as often as every 60 seconds to as seldom as every 23 hours, 59 minutes
  • Purge duration can be set for as long as 59 minutes, 59 seconds to as short as 10 seconds
  • Computer-controlled with solid state reliability; no routine maintenance required; no mechanical relays
  • Durable NEMA-4 rated housing
  • Meets CSA requirements
  • Non-volatile memory –– all controller settings are maintained in the event of a loss of power; no reprogramming required

LAKOS Auto Purge with Motorized Ball Valve

Heavy-duty solids purging systems to eliminate routine manual purging.
Fully electric - fully automatic.

Flush separated solids from your LAKOS Separator at intervals you select: never too often, never too late.

  • Saves valuable liquids
  • Assures maximum performance
  • Eliminates costly manual routine labor
  • Promotes concentrated solids purging for easy handling

The durable LAKOS Motorized Ball Valve is capable of handling all fine solids, fibrous solids and mild abrasives. It’s also effective for purging all typical solids (specific gravities less than 3.6). The valve’s pressure-sealed stem arrangement allows line flow to actually enhance its shut-off sealing ability, providing further resistance against leakage.

The specially matched actuator (to operate the valve) boasts a long list of manufactured features to assure trouble-free operation. Included are:

  • Heat-treated, high alloy gears
  • Rugged, high-torque integral single phase motor
  • Built-in motor overload protection
  • Permanently lubricated housing eliminates routine maintenance
  • NEMA-4 rated valve housing


Stainless Steel Sand Media Filtration Systems

LAKOS SST Systems set the industry standard for operating performance, backwashing efficiency and the maximum use of sand media filtration surface area.  Designed for the removal of small particles, organics & floating contaminants, these systems are used form many different applications ranginmg from raw river water intake to cooling tower systems. Capable of many different applications wherever lightweight contaminants are a problem.

  • Stainless steel tanks for optimum corrosion protection and long service life.  Lightweight for shipping and installation handling.
  • Exclusive, precision-engineered underdrain system.  Encourages optimum/even flow across the entire media surface area.  No dead spots. Industry-best backwash characteristics for more thorough cleaning and longer operating cycles.
  • Time-saver installation package.  Includes all the componentry for a complete and professional installation.
  • Underdrain design provides ideal flow characteristics; allows for single-grade media sand. Simplifies purchasing and installation.


Filter Tanks
Stainless steel (304L) with grooved- end connections at inlet & outlet. Top inspection port features bolt-on cover. Lower clean-out port is
female coupling with plug.


Backwash Valves
Cast-iron body. Coated internal water-contact surfaces. Stainless
steel shaft & guide bushing. Stainless steel disc with vulcanized Buna-N rubber to seal the backwash port.

Steel housing, water-resistant, key- lock. Solid-state timing. Operates from standard 110 VAC, 50/60 Hz. Consult factory for 220 VAC, 12 VDC battery or solar power.

Lateral/Underdrain Assembly
Header is schedule-40 PVC pipe. Slotted laterals feature PVC well screen with internal V-slotting; minimum collapse strength of 135 psi (9.3 bar).


Required media sand is not included with basic LAKOS Sand Media Filter System. The following information is provided for guideline & reference purposes only. Sand available from LAKOS and sources worldwide.

Filtration Requirement  Media Material
200 to 250 mesh/
75 micron   
#20 Crushed Silica
150 to 200 mesh/
105 micron  
#16 Crushed Silica
130 to 140 mesh/
150 micron 
#12 Crushed Silica

NOTE: LAKOS Sand Media Filters operate effiently with single-grade sand media. No multi-grade layering required.


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Engineered Filtration, Inc.
P.O Box 1067
San Marcos, TX 78667 USA
Phone 512.827.3701 Fax: 512.777.4526


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