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Liquiflo's 4-Series pumps are low-flow magnetically-driven gear pumps. The 4-Series housings are manufactured from Bar Stock in 316 Stainless Steel, Alloy-C or Titanium. With several material options for shafts, gears, wear plates and bearings, these pumps can be used in a wide variety of chemical processing applications.
  • Flows up to 3.5 GPM
  • Pressures up to 100 PSI
  • 316 SS, Alloy-C or Titanium
  • 4 Models offered

Available Sealing Configurations

Magnetically Coupled (sealless): The magnetically coupled or mag-drive pump is the best method for handling toxic, noxious, crystallizing, or most other hazardous liquids since it completely contains the pumpage by isolating the drive shaft inside the pump housing. With no dynamic seal to leak or replace, the maintenance issues associated with seal leakage are eliminated. All Liquiflo gear pumps are available with magnetic drive.

Available Options & Accessories

Repair Kits: Repair Kits simplify inventory and speed repair. All parts can also be purchased separately. (See also Replacement Cartridge for even quicker repairs.)

Relief Valves: Positive displacement pumps should be installed with a relief valve in the discharge line to protect the pump and piping against any type of line blockage including the inadvertent closing of an isolation valve. Liquiflo manufactures two sizes of relief valves in both 316 SS and Alloy-C.

Base Plate Mounting: Liquiflo gear pumps are available with base-mounts to simplify installation. Liquiflo also offers base-mounts with or without the motor pre-installed.

Hard-Coated Shafts: Hard-coated shafts are used to extend pump life in difficult applications requiring higher levels of wear resistance. Ceramic Chrome Oxide (CO), Tungsten Carbide (TC) and Titanium Oxide (TO) coatings are available.

Accessories & Spare Parts: Mechanical couplings, coupling guards, risers, base plates, adapters, brackets, pedestals and individual pump components can all be purchased separately.

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Item #

Price

Max. Flow Rate

Discharge Pressure

Curve Image

Max. Speed

Max. Viscosity

Port Connections

Max. Fluid Temperature

Self-Priming

Add To Cart/Request Quote
LH-41 QUOTE N/A 0.5 gpm1.9 lpm N/A 20.7 bar300 psi N/A N/A 1750 rpm N/A 4,500 cps N/A 0.25" NPT 0.375" BSPT N/A 500 ºF260 ºC N/A 0.5 ft Add To Cart
Request Quote
LH-43 QUOTE N/A 1.5 gpm1.9 lpm N/A 20.7 bar300 psi N/A N/A 1750 rpm N/A 4,500 cps N/A 0.25" NPT 0.375" BSPT N/A 500 ºF260 ºC N/A 1.5 ft Add To Cart
Request Quote
LH-44 QUOTE N/A 2.0 gpm1.9 lpm N/A 20.7 bar300 psi N/A N/A 1750 rpm N/A 4,500 cps N/A 0.375" BSPT 0.375" NPT N/A 500 ºF260 ºC N/A 2.0 ft Add To Cart
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LH-45 QUOTE N/A 4.0 gpm1.9 lpm N/A 20.7 bar300 psi N/A N/A 1750 rpm N/A 4,500 cps N/A 0.375" BSPT 0.375" NPT N/A 500 ºF260 ºC N/A 4.0 ft Add To Cart
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