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Liquidynamics Double Diaphragm Pump — 3/4in. NPT, Model# 20015-Y
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Liquidynamics Double Diaphragm Pump — 3/4in. NPT, Model# 20015-Y

Item# 1090871

Only $569.99
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Factory Shipped —
Estimated Delivery: 11 - 16 Business Days
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Manufacturer's Warranty: 1 year Limited Warranty

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Product Summary

Liquidynamics 3/4in. double diaphragm pump is designed for use with used oil, hydraulic fluid, antifreeze and many light- to mid-weight oils. Features an all-aluminum body and air motor, Buna N (nitrile) diaphragms and seals. U.S.A.

What's Included

  • (1) Double diaphragm pump

Features + Benefits

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  • Pump is rated at 27 GPM at 100 PSI; requires up 40 SCFM air supply
  • Will pass a maximum solid size of 1/16in. (2 mm)
  • Maximum dry lift is 18 feet
  • Maximum fluid temperature of 180°F
  • Inlet/outlet fittings are 3/4in. NPTF
  • Air inlet fitting is 1/4in. NPTF
  • All-aluminum construction provides a strong and durable product that will hold up to heavy-duty use
  • Buna N (nitrile) seals and diaphragms are compatible with most lubricants such as motor oils, hydraulic fluids, transmission fluids, 100% as well as 50/50 antifreeze and many similar fluids

Key Specs

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Item#1090871
Ship Weight25.0 lbs
ApplicationDiaphragm pump
Flow (GPM)27
Operating PSI100
Air Inlet Size (in. NPT)1/4
Max. Suction Lift (ft.)18
Inlet Port (in.)3/4
Outlet Port (in.)3/4
Seal TypeBuna-N

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Product Question + Answer

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Extended Warranty

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Service Protection Plus

Manufacturer Warranty:
1 year Limited Warranty

Protect your purchase beyond the manufacturer's warranty
with Service Protection Plus!

DESCRIPTION (Click More Info for details) 1 Year Extension 2 Year Extension
Extended Warranty Repair Plan
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Extended Warranty + Accidental Damage Repair Plan
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Hide Similarities
Application Storage tank Diaphragm pump Diaphragm pump Transfer pump Diaphragm pump
Flow (GPM)
- 15 27 20 27
HP - - - 1/3 -
Volts - - - 115 -
Amps - - - 5.5 -
Average Air Consumption (CFM) - 9 - - 15
Operating PSI
- 40–100 100 - 100
Speed (RPM) - - - 1,725 -
Air Inlet Size (in. NPT) - 1/4 1/4 - -
Pump Tube (dia.) - 3/8 - - 3/4
Pump Tube Length (in.) - 35 - - 44
Max. Suction Lift (ft.) - - 18 10 -
Inlet Port (in.) - - 3/4 1 1/4 -
Outlet Port (in.) - - 3/4 3/4 -
Duty Cycle - - - 30 min. -
Self-Priming - - - Yes -
Bypass Valve - - - Yes -
Seal Type - - Buna-N Mechanical -
Nozzle Type - - - Manual -
Hose (in. x ft.) - - - 3/4 x 12 -
Dimensions L x W x H (in.) 32 x 30 x 30 - - 14 1/4 x 12 x 11 1/4 -