Self-Priming Utility Pump
Model 81 1/4B3-E.33 1P
- Cast Iron Construction
- Copper Alloy No. C83600 Impeller Handles 5/16" Solids
- 1-1/4" NPT Suction and Discharge Ports
- 1/3 HP ODP Motor with 8 ft. 115vac Power Cord
- Includes Float Switch and Strainer
- Built-in Flapper Valve, Brass, Buna N, and Nylon
- Maximum Suction Lift is 20 ft.
- Maximum Operating Pressure is 26 PSI
- Maximum Temperature is 160º F
- Viton ®* Mechanical Seal
Model 81 1/4B3-E.33 1P is designed for applications requiring high volume, low pressure, sump or liquid transfer. The copper alloy semi-open impeller handles solids to 5/16" diameter. Built-in flapper/check valve enables consistent self-priming to 20 ft. Included with the pump are a suction strainer, float switch, and an eight foot power cord. Motor is 1/3 horsepower.
*Viton® is a registered trademark of DuPont
DIMENSIONS: INCHES
[MILLIMETERS]
| MODEL | A | B | C | D | E** | F | G | H | J | K | SUCT* | DISCH* | L |
| 81 1/4B3-E.33 1P | 2.44 [62.0] | 6.50 [165.1] | 4.62 [117.3] | 7.19 [182.6] | 14.32 [363.7] | 3.00 [76.2] | 6.69 [169.9] | 4.00 [101.6] | 3.25 [82.6] | 3.50 [88.9] | 1.25 | 1.25 | 1.22/[31.0] X .34/[8.6] SLOT 4 PLACES |
(*) STANDARD NPT PIPE THREADS. (**) DIMENSION MAY VARY WITH MOTOR MANUFACTURER.
| ➤ Cast iron construction with copper alloy impeller | ➤ Maximum suction lift 20 Ft. |
| ➤ 1-1/4" NPT suction and discharge ports | ➤ Maximum operating pressure 26 PSI |
| ➤ 1/3 HP ODP Motor with 8 ft. 115 VAC power cord | ➤ Maximum temperature 160˚ F |
| ➤ Includes float switch and strainer | ➤ Viton®* mechanical seal |
| ➤ Built-in flapper valve | ➤ “Off-the-Shelf” availability |
| Model No. | Description/ Type of Pump | Ship Wt (Lbs.) | Driver Type & HP | Port size Suc x dis (NPT) | Basic Construction | Seal Type & Elastomer/ Faces | VAC | FL Amps | Motor Enclosure |
| 81 1/4B3-E.33 1P | Self-Priming Utility Pumps | 42 | Elect. Motor 0.33 HP | 1 1/4" x 1 1/4" | Gray Iron | Viton®* Carbon Ni-resist | 115/230 | 60hz | ODP |
*Viton® is a registered trademark of DuPont
WARNING: Do not use in explosive atmosphere or for pumping volatile flammable liquids.
See price book page 17 The Gorman-Rupp Company reserves the right to discontinue any model or change specifications at any time without incurring any obligation. CP49-500/0904
