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Submersible Pump Protection Separators SUB-K

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SKU: LAKOS.SUB-K

Dramatically extend submersible pump life, save energy, and remove sand from well water with the LAKOS SUB-K pump protection separators.

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Description

Submersible Pump Protection Separators
LAKOS SUB-K

 

 

Dramatically extend submersible pump life, save energy, and remove sand from well water with the LAKOS SUB-K pump protection separators. Using patented centrifugal action, troublesome sand is removed from the water before it can enter the pump, damage impellers, and go downstream to your house or ranch.

 

Trouble-free and effective, LAKOS Sub-k separators are easy to install into water wells with inner diameters as small as 4 inches.

 

Flow Range: 3-99 GPM (0.7 – 23 m3/hr). For larger flow rates, see PPS.

 

 

Features and Benefits:

    • Extends your pump’s life by four times or more
    • Reduces sand wear and tear
    • Minimizes breakdowns and replacements
    • No moving parts that can wear out; No screens to replace; No routine maintenance.
    • Reduces the burden of downstream filtration
    • For submersible pumps with flows over 100 US gpm, refer to the LAKOS PPS Pump Protection Separator

 

 

Why Choose a LAKOS Pump Protection Separator?

Starting with protection at the source, you can expect increased pump efficiency, reduced sand wear and tear on pump components, and an overall reduction in energy consumption.

 

LAKOS Pump Protection Separators prevent sand from entering submersible or turbine pumps, by removing sand from well water through centrifugal action.

 

 

How LAKOS SUB-K Separators Work

Using the same operating principles as the larger PPS, SUB-K Separators apply controlled centrifugal action to prevent sand from entering the pump, reducing wear to impellers and other vital components.

 

      1. Sandy Water is first drawn through the tangential inlet slots of the Sub-K
      2. Sand is centrifugally separated from the water and is spun to the outer barrel of the separator
      3. The sand-free water is drawn to the center of the separator and up through the vortex to the pump’s intake
      4. The separated sand then falls downward to the bottom of the separator where it collects
      5. Periodically, the flapper valve on the Sub-K opens to discharge accumulated particles deep into the well

 

For submersible and turbine pumps over 100 GPM, refer to the LAKOS PPS.

 

How to Size a Pump Protection Separator

  1. Identify your wells inner diameter.
  2. Find your pump’s flow range.
    • The best fit model is in the middle of the range. DO NOT OVERSIZE.
  3. Verify your wells depth, water level, and pump depth.
  4. Verify your pump and motors dimensions (length and width).

 

 

Technical Specifications

 

Models
Minimum Well I.D.
Seperator Length
Flow Range  (m3/hr)
Weight
SUB-8-4-PAK 102 927 0.7-1.8 4
SUB-12-4-PAK 102 927 1-3 4
SUB-16-4-PAK 102 927 2.5-3.8 4
SUB-28-4-PAK 102 1035 3-6.5 5
SUB-8-4.5-PAK 114 927 0.7-1.8 4
SUB-12-4.5-PAK 114 927 1-3 4
SUB-16-4.5-PAK 114 927 2.5-3.8 4
SUB-28-4.5-PAK 114 1035 3-6.5 5
SUB-8-5-K 127 927 0.7-1.8 5
SUB-12-5-K 127 927 1-3 5
SUB-16-5-K 127 927 2.5-3.5 5
SUB-28-5-K 127 1035 3-6.5 7
SUB-52-5-K 127 1111 5.5-12 9
SUB-99-6-K 153 1270 11-22.5 10

 

 

Frequently Asked Questions

What is the efficiency of the separator?

Answer:  Solids-removal efficiency is affected by several factors, including the difference in specific gravity between the solids and the carrying liquid, the viscosity of the liquid, the particle shape, and any purging enhancement techniques. In general, with a specific gravity ratio of 2.6 (e.g. quartz sand in freshwater), liquids of 31 SSU viscosity, and generally round particles, a single pass through a separator predictably removes up to 98% of particles 74 microns (0.0029 inches) and larger.

Appreciable quantities of particles finer than 74 microns are also removed, as well as particles of lighter specific gravity. Higher specific gravities (like mill scale in water, where SG=5.7) result in much finer levels of filtration.

Contact LAKOS for assistance determining performance expectations on your specific application.

What is the greatest solids load the separator can handle?

Answer:  The maximum solids loading on LAKOS Separators is recommended to be less than 1% by volume. While 1% may seem low, keep in mind that 1% in a small 100 GPM system is 1 gallon of solids every minute, or 1,440 gallons (twenty-six 55-gallon drums) of solids per day. SMP Separators for residential use are not recommended to exceed 0.25% by volume. ILB Series Separators are not recommended to exceed 0.50% by volume. If your application exceeds these limitations, please consult your factory representative for proven alternatives.

Where does the sand go when operating a Pump Protection Separator (PPS)?

Answer:  The sand is discharged to the bottom of the well. Over time, the flow dynamics of the well formation are changed due to the accumulation of the sand, and water is pumped without disruption through the life of the well. In fact, in over 30 years of experience with PPS Separators, less than a handful of wells have ever needed to be bailed, and in those few cases, the benefits received from longer, more efficient pump life far outweighed the one time bailing.

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