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Centrifugal Explosion Proof Pump

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Gorman-Rupp 81 1/2D3-X.75 Series Centrifugal Explosion Proof Pump

1-1/2 in. NPT Inlet/Outlet, 3/4 HP, Single or Three Phase, 9/32 in. Max Solids

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Select Model & Quantity:

Model # Description Price Qty
81 1/2D3-X.75 1P 1-1/2 in. NPT Inlet/Outlet, 3/4 HP, Single Phase, 115/230V AC, 9/32 in. Max Solids $2,614.00
81 1/2D3-X.75 3P 1-1/2 in. NPT Inlet/Outlet, 3/4 HP, Three Phase, 208-230/460V AC, 9/32 in. Max Solids $2,840.00
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Gorman-Rupp - 81 1/2D3-X.75 Series - Centrifugal Explosion Proof Pump

The Gorman-Rupp explosion proof, self-priming centrifugal pumps are designed for use in hazardous environments and/or for handling flammable liquids. 1-1/2" NPT port size available with single or 3-phase motors with 0.75 horsepower. All models are self-priming and are equipped with Viton® seals with carbon and Ni-resist faces capable of handling liquids with temperatures to 160°F.

  • Cast Iron Construction
  • Viton® Seals with Carbon and Ni-resist Faces
  • 1-1/2" NPT ports
  • Maximum Operating Pressure to 47 PSI
  • Self-Priming to 20 ft.
  • Maximum Temperature 160°F
  • Solids-Handling up to 9/32" Diameter
  • Single or Three Phase Motors Available

For proper operation of this pump, it is a requirement to check the chemical resistance chart before ordering. If the pump is used for an application that the pump material is not compatible with the warranty will be voided.

Gorman-Rupp Chemical Resistance Chart

    115/230 Volt 0.75 HP Pump - 81 1/2D3-X.75 1P

  • Description: Explosion Proof Self-Priming Centrifugal Pump
  • Driver Type (HP): Electric Motor (0.75 HP)
  • Port Size Suc x Dis (NPT): 1-1/2" x 1-1/2"
  • Construction: Grey Iron
  • Seal: Viton® Carbon Ni-resist
  • VAC 60 Hz: 115/230
  • Cycle: 60
  • Motor Enclosure (RPM): Explosion Proof
  • Weight: 87 lbs

    208/230/460 Volt 0.75 HP Pump - 81 1/2D3-X.75 3P

  • Description: Explosion Proof Self-Priming Centrifugal Pump
  • Driver Type (HP): Electric Motor (0.75 HP)
  • Port Size Suc x Dis (NPT): 1-1/2" x 1-1/2"
  • Construction: Grey Iron
  • Seal: Viton® Carbon Ni-resist
  • VAC 60 Hz: 208-230/460
  • Cycle: 60
  • Motor Enclosure (RPM): Explosion Proof
  • Weight: 87 lbs
Model A B C D Suction* Discharge*
81 1/2D3-X.75 1P 8.50 5.12 9.63 9.71 1.50 1.50
81 1/2D3-X.75 3P 8.50 5.12 9.63 9.71 1.50 1.50

(*)Standard NPT Pipe Treads