General Information
- Manufacturer: Gorman-Rupp Pumps
- Document Date: October 2023
- Section: 70
- Models: 63E31-B, 63E32-B
Pump Specifications
- Type: Standard Centrifugal Pump, Basic Pedestal Models
- Size: 4" x 3" (102 mm x 76 mm) Flanged
- Casing (63E31-B): Ductile Iron 65-45-12
- Casing (63E32-B): Cast Steel 70-36
- Maximum Operating Pressure: 179 psi (1234 kPa)
- Impeller Type: Enclosed, Five Vane
- Impeller Material: Aluminum Alloy SG70A-T6
- Solids Handling: 3/8" (9.5 mm) Diameter Spherical Solids
- Impeller Shaft Material: Carbon Steel 1045
- Bearing Housing Material: Ductile Iron 65-45-12
- Bearing Housing Lubrication: Grease
- Body Cover (63E31-B): Ductile Iron 65-45-12
- Body Cover (63E32-B): Cast Steel 70-36
- Radial and Thrust Bearings: Sealed Single Row Ball
- Gaskets: Buna-N
- Hardware: Standard Plated Steel
Seal Detail
- Type: 21, Mechanical Self-Lubricated
- Rotating Face Material: Carbon
- Stationary Face Material: Ni-Resist
- Elastomers: Fluorocarbon (DuPont Viton or Equivalent)
- Cage and Spring Material: Stainless Steel 18-8
- Maximum Liquid Temperature: 160 F (71 C)
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 Curve Notes
- 60 HERTZ PERFORMANCE BASED ON WATER TRIMMED IMPELLER
- 50 HERTZ PERFORMANCE BASED ON WATER TRIMMED IMPELLER
- 60 HERTZ PERFORMANCE BASED ON PETROLEUM TRIMMED IMPELLER
- 50 HERTZ PERFORMANCE BASED ON PETROLEUM TRIMMED IMPELLER