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ESN Series Triplex Plunger Pump

Brand: General Pump Company

Features
  • 1” Hollow Shaft, Flanged for Gas Engines
  • New Forged Brass: Nickel-Plated Manifold, Increases Working Pressure to 4,000 Psi
  • New Plunger Guide Bushing - Patent Pending
  • Solid Ceramic Plungers with Dual Guide System
  • New Optimized Outlet Valves
  • Exclusive Protection Chamber Between Crankcase and Manifold
  • New Dual Lip Oil Seal

Specifications

Maximum Volume

  • 3.43 GPM
  • 3.96 GPM
  • 4.49 GPM
  • 5.28 GPM

Maximum Discharge Pressure

  • 4,000 psi
  • 3,625 psi

Horsepower

  • 14.0 GHP
  • 16.3 GBHP
  • 16.7 GHP
  • 19.7 GHP

Maximum Pump Speed

  • 3400 RPM

Maximum Inlet Pressure

  • 125 psi

Plunger Bore

  • .512 in./13 mm
  • .591 in./15 mm

Plunger Stroke

  • .394 in./10 mm
  • .512 in./13 mm
  • .472 in./12 mm

Oil Capacity

  • 22 oz.
  • .65 liters

Maximum Fluid Temperature

  • 165  F

Inlet Port Thread

  • 1/2”-14 BSP-F

Discharge Port Thread

  • 3/8”-19 BSP-F

Shaft Diameter

  • 1 in./25.4 mm

Weight

  • 21 lbs

Nominal Dimensions

  • 10.4” x 10.3” x 4.8”

Documentation

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