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FL3
Tri-Lobe Pump

Positive Displacement Pump

Low Pulsation Helical Rotary Tri-Lobe

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Fristam’s FL3 series positive displacement pump provides excellent suction capability, gentle product transfer, and complete CIP cleaning in one pump.

What is the Fristam FL3 Pump?

The Fristam FL3 Tri‑Lobe Pump is a sanitary positive‑displacement rotary lobe pump, distinguished by its helix‑shaped tri‑wing rotors. Engineered for low‑pulsation, high‑suction performance, it handles both process transfer and CIP cleaning using a single pump — offering efficiency, simplified systems, and reduced costs.

Key Applications

Ideal for delicate, high‑purity and viscous products, the FL3 shines in:

  • Dairy: sour cream, soft cheese, cheese curd, butter oil
  • Beverages: orange juice concentrate, sparkling wine
  • Sugars: liquid sugar, glucose syrup
  • Food & personal care: cognac, cream, fruit preparations, body milk

The pump also excels in tank emptying, drum unloading, and handling media with entrained air thanks to its strong suction capability

How it Works:

Twin helix‑shaped tri‑wing lobes, synchronized in opposite rotation, create a continuous pocket that moves product gently with near-zero pulsation. Bi‑directional rotation allows the same pump to load and unload tanks.

Features & Benefits:

  • Excellent suction: Handles entrained air, tank/drum emptying
  • Low pulsation & noise: Ensures smooth product flow and reduced wear
  • High RPM capacity: Operates at elevated speeds for higher flow or CIP without a secondary pump
  • Dual‑duty pump/CIP: Eliminates the need for separate cleaning pumps and piping

Available Options:

  • Jacketed housing & cover for heating/cooling
  • CIP/SIP package
  • Surface finishes: electropolish, Ra ≤ 15, passivation
  • Mounting flexibility: horizontal/vertical orientations
  • Wide seal & gasket choices (FKM, EPDM, NBR)
  • Single/double/flushed mechanical seals
  • Custom adaptations: ATEX, electrical heating, special connections

Why Choose the FL3 Pump?

  • Two pumps in one – process transfer plus CIP capability
  • Reduced footprint and cost – eliminates secondary pumps, pipes, and valves
  • Product integrity & efficiency – gentle handling ideal for sensitive media
  • Sanitary design – 3-A/EHEDG compliant with full cleanability
  • Proven reliability – robust stainless-steel construction built to last

For more information, contact Fristam or an authorize distributor today!

Gentle Transfer

Fristam’s FL3 Series positive displacement pump provides gentle product handling with virtually no pulsation. Its special three-wing helical rotor design allows for continuous, gentle displacement. Plus, bi-directional rotation allows for loading and unloading with the same pump.

High Speeds & High Flow Rate

The FL3 is able to operate at high speeds and provide high flow rates, allowing processors to use a smaller pump on most low pressure applications.

Pumps Product & CIP's Itself

The FL3’s design also allows the pump to be run at high speeds to facilitate effective CIP, with rotors in place. Consequently the FL3 eliminates the need for separate CIP supply/return pumps and accompanying pipes and valves, saving time and money.

FL3
Tri-Lobe Pump Model Specifications

Model Gallons Per Revolution (Liters) Maximum Revolution Speed (Product) Maximum Revolution Speed (Water) Maximum Discharge Flow (Product) (m3/h) Maximum Discharge Flow (Water) (m3/h) Maximum Discharge Pressure (Bar) Fitting Size
550.045(.17)700 rpm1,200 rpm17 gpm(3.86)35 gpm(8)87 psi(6 bar)1.5”
750.10(.38)700 rpm1,000 rpm53 gpm(12)85 gpm(19)115 psi(8 bar)2”
1000.31(1.16)700 rpm1,000 rpm150 gpm(34)220 gpm(50)115 psi(8 bar)3"
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Media

Fristam PD Pumps Family

Files & Documentation

FL3 Flyer

FL3
Tri-Lobe Pump
literature
pdf

FL3 Manual

FL3
Tri-Lobe Pump
maintenance
pdf

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