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Explosion Proof SP Centrifugal Pump

1.5HP 115/230v
Model Number
Gorman-Rupp 81 1/2E3-X1.5  amt pump

Gorman-Rupp 81-1/2E3-X15-1P

Explosion Proof, Self-priming 81-1/2E3-X15-1P Centrifugal pumps is designed for use in hazardous environments and/or for handling flammable liquids. 1-1/2" NPT port sizes, with single phase motor 1 1/2 HP. All models are self-priming and are equipped with FKMï½® seals with carbon and Ni-Resist faces capable of handling liquids with temperatures to 160°F. Maximum flow to 128 GPM and operation pressure to 31 PSI.

  • Cast iron construction
  • FKM® seals with carbon and ni-resist faces
  • 1-1/4", 1-1/2" & 2" NPT port sizes Available
  • Self-priming up to 20 ft. on water
  • Maximum operating pressure to 31PSI
  • Maximum temperature 160ï½°F
  • Maximum flow to 128 GPM
  • Maximum head 72 ft.
  • Solids handling 3/8" diameter
  • 1/2 to 2 HP and three (3) phase 3450 RPM Available

Caution: Follow all safety procedures and local codes.

See Curve "C"

More Information
Model Number 81-1/2E3-X15-1P
part number 81 1/2E3-X1.5 1P
Series Explosion Proof Motor Pump SP Centrifugal
Max Flow (GPM.) 90
Max Flow GPH 5400
TDH Maximum (Ft) 72
TDH Maximum (PSI) 31
Horse Power (HP) 1 1/2
Horsepower (IE .5, 1, 1.5, 20) 1.5000
Inlet Connection Type FNPT
inlet size 1 ½"
Inlet (In.) 1.5
Outlet Connection Type FNPT
Outlet (In.) 1.5
Wetted Materials Cast Iron
Elastomers / O-ring FKM
Voltage (V) 115/230
Voltage (Range) 110-120/220-240
Phase (Ø) Single (1)
Motor Frequency 60
Motor EXP (C 1, Gp C/D & C11, Gp F/G)
Speed (RPM.) 3450
Self Priming Yes
Suction Lift (FT.) 20
Max Operating Temperature (F) 160
Max Particle Size (In) .37
Viscosity Milk 3.20 cp 40.00 ssu
Mechanical Seal Face NR-Ceramic
Mechanical Seal Type Single
Motor Bearings Ball
Approvals UL
Cord Length (Ft.) 0
Duty Continuous
Drain Yes
Port Rotation No
Country of Manufacture United States
Weight (Lbs) 76.000000
Warranty (YRS.) 1
GPM Of Water At 30 Feet Of Head 80
GPM Of Water At 40 Feet Of Head 70
GPM Of Water At 50 Feet Of Head 60
GPM Of Water At 60 Feet Of Head 40