Manufacturer: Gorman-Rupp Pumps
Document Date: October 2023
Section: 70
Pump Specifications
- Type: Standard Centrifugal Pump
- Size: 4" x 3" (102 mm x 76 mm) Flanged
- Maximum Operating Pressure: 179 psi (1234 kPa) (Consult factory for applications exceeding this)
- Impeller: Enclosed Type, Five Vane
- Material: Alum Alloy SG70A-T6
- Solid Handling: 3/8" (9.5 mm) Diameter Spherical Solids
- Impeller Shaft: Carbon Steel 1045
- Bearing Housing: Ductile Iron 65-45-12
- Bearing Housing Lubrication: Grease
- Radial and Thrust Bearings: Sealed Single Row Ball
- Gaskets: Buna-N
- Hardware: Standard Plated Steel
Model 63E31-B
- Casing: Ductile Iron 65-45-12
- Body Cover: Ductile Iron 65-45-12
Model 63E32-B
- Casing: Cast Steel 70-36
- Body Cover: Cast Steel 70-36
Seal Detail
- Type: 21, Mechanical Self-Lubricated
- Rotating Face: Carbon
- Stationary Face: Ni-Resist
- Elastomers: Fluorocarbon (DuPont Viton or Equivalent)
- Cage and Spring: Stainless Steel 18-8
- Maximum Liquid Temperature: 160°F (71°C) (Consult factory for applications exceeding this)
Optional Equipment
- 150# Steel 4" NPT Suction and 3" NPT Discharge Flange Kit
- Copper Alloy C93400 Impeller
- PTFE Seal
Approximate Dimensions and Weights
Model 63E31-B
- Net Weight: 213 LBS (96.6 KG)
- Shipping Weight: 236 LBS (107 KG)
- Export Crate: 12.8 CU. FT. (0.36 CU. M.)
Model 63E32-B
- Net Weight: 255 LBS (115.7 KG)
- Shipping Weight: 270 LBS (122.5 KG)
- Export Crate: 12.8 CU. FT. (0.36 CU. M.)
Performance Basis (Curve Data)
- 60 HERTZ: Based on Water (Trimmed Impeller), Based on Petroleum (Trimmed Impeller)
- 50 HERTZ: Based on Water (Trimmed Impeller), Based on Petroleum (Trimmed Impeller)