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The Poly-Guard® Series External Gear Pump has a rugged Stainless Steel body lined with a chemically-resistant fluoropolymer and contains all non-metallic internal components. This makes the Poly-Guard an excellent choice for pumping highly corrosive inorganic acids, alkalis and salts, as well as for high-purity services, where contact with metallic components must be avoided. The Poly-Guard is available in 7 sizes with flow rates ranging from 1.4 to 15 GPM.
  • Flows up to 15 GPM
  • Pressures up to 100 PSI
  • 303 SS/PFA-Lined
  • 7 Models Offered

Available Options & Accessories

Replacement Cartridge: A cartridge is a complete mag-drive pump less the outer magnet and pedestal. A cartridge replacement is a convenient way to quickly replace a mag-drive pump that requires maintenance, ensuring maximum uptime.

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.

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

S-Adapter: The S-Adapter is available for long-coupling mag-drive pumps; it isolates the pump from the motor and can be used when long-coupling pumps to motors or drives that do not have a C-face mounting. Maximum temperature rating is 250°F (120°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.

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. Viscosity

Max. Speed

Port Connections

Max. Fluid Temperature

Self-Priming

Add To Cart/Request Quote
LH-P1 QUOTE N/A 1.4 gpm5.5 lpm N/A 19 bar275 psi N/A N/A N/A 1750 rpm N/A 0.75" 150# ANSI Flange DIN 20 PN16 Flange N/A 200 ºF93 ºC N/A 1.5 ft Add To Cart
Request Quote
LH-P2 QUOTE N/A 2.4 gpm9.1 lpm N/A 19 bar275 psi N/A N/A N/A 1750 rpm N/A 0.75" 150# ANSI Flange DIN 20 PN16 Flange N/A 200 ºF93 ºC N/A 2 ft Add To Cart
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LH-P3 QUOTE N/A 3.4 gpm12.9 lpm N/A 19 bar275 psi N/A N/A N/A 1750 rpm N/A 0.75" 150# ANSI Flange DIN 20 PN16 Flange N/A 200 ºF93 ºC N/A 4 ft Add To Cart
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LH-P4 QUOTE N/A 5 gpm18.9 lpm N/A 19 bar275 psi N/A N/A N/A 1750 rpm N/A 0.75" 150# ANSI Flange DIN 20 PN16 Flange N/A 200 ºF93 ºC N/A 6 ft Add To Cart
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LH-P5 QUOTE N/A 8.6 gpm32.6 lpm N/A 19 bar275 psi N/A N/A N/A 1750 rpm N/A 1.5" 150# ANSI Flange DIN 40 PN16 Flange N/A 200 ºF93 ºC N/A 6 ft Add To Cart
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LH-P6 QUOTE N/A 11.8 gpm44.7 lpm N/A 19 bar275 psi N/A N/A N/A 1750 rpm N/A 1.5" 150# ANSI Flange DIN 40 PN16 Flange N/A 200 ºF93 ºC N/A 7 ft Add To Cart
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LH-P7 QUOTE N/A 15 gpm56.8 lpm N/A 19 bar275 psi N/A N/A N/A 1750 rpm N/A 1.5" 150# ANSI Flange DIN 40 PN16 Flange N/A 200 ºF93 ºC N/A 7 ft Add To Cart
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