H.E.R.P.S — Primary Pump Core (Multi‑Stage Centrifugal Pump)
Volume 3 — Master Assembly Blueprint
Hybrid Energy Recovery Pump System (H.E.R.P.S)
System Overview
The Primary Pump Core is a high‑efficiency multi‑stage centrifugal pump engineered to deliver high pressure and flow with maximum hydraulic efficiency and reliability. Each component is precision‑machined for optimal flow dynamics, minimal losses and long service life. Driven by a high‑speed motor through a rigid coupling, the pump operates on heavy‑duty bearings for continuous industrial duty.
Key Features
- Multi‑stage high‑efficiency impellers
- Precision‑balanced rotor assembly
- Low NPSH design for stable suction performance
- Replaceable wear components for easy maintenance
- Cartridge mechanical seal system
- High‑strength stainless‑steel construction
- Designed for continuous operation in harsh environments
Longitudinal Section View — Labeled Parts
- Suction Inlet
- Inlet Casing
- First Stage Impeller
- Diffuser
- Interstage Casing
- Second Stage Impeller
- Diffuser
- Third Stage Impeller
- Diffuser
- Outlet Casing
- Shaft
- Wear Ring
- Balance Drum
- Bearing (HDB)
- Mechanical Seal
- Seal Housing
- Shaft Sleeve
- Coupling End
- Thrust Bearing
- Bearing Housing
Component Parts List
| Item | Description | Material | Qty |
|---|---|---|---|
| 1 | Suction Inlet | Duplex SS 2205 | 1 |
| 2 | Inlet Casing | Duplex SS 2205 | 1 |
| 3 | Impeller – Stage 1 | Duplex SS 2205 | 1 |
| 4 | Diffuser – Stage 1 | Duplex SS 2205 | 1 |
| 5 | Interstage Casing | Duplex SS 2205 | 1 |
| 6 | Impeller – Stage 2 | Duplex SS 2205 | 1 |
| 7 | Diffuser – Stage 2 | Duplex SS 2205 | 1 |
| 8 | Impeller – Stage 3 | Duplex SS 2205 | 1 |
| 9 | Diffuser – Stage 3 | Duplex SS 2205 | 1 |
| 10 | Outlet Casing | Duplex SS 2205 | 1 |
| 11 | Shaft | SS 316 | 1 |
| 12 | Wear Ring | SS 316 | 1 |
| 13 | Balance Drum | SS 316 | 1 |
| 14 | Bearing (HDB) | SS 316 | 2 |
| 15 | Mechanical Seal (Cartridge) | SS 316 / Viton | 1 |
| 16 | Seal Housing | SS 316 | 1 |
| 17 | Shaft Sleeve | SS 316 | 1 |
| 18 | Coupling End | Carbon Steel | 1 |
| 19 | Thrust Bearing | Angular Contact | 1 |
| 20 | Bearing Housing | Cast Steel | 1 |
Performance Specifications
- Design Flow Rate: 1000 m³/h
- Design Head: 250 m
- Operating Speed: 3600 RPM
- Shaft Power: 280 kW
- Impeller Diameter: 275 mm
- Shaft Diameter: 75 mm
- Bearing Type: HDB / Angular Contact
- Mechanical Seal Type: Cartridge Dual
- Hydraulic Efficiency: 86% (Typical)
Impeller Design (Typical)
- Type: Closed
- Material: Duplex SS 2205
- Blade Angle (Outlet): 30°
- Hub Ratio: 0.65
- Tip Speed: 86 m/s (Max)
- Diameter: Ø275 mm
Shaft Assembly
- Total Length: 1190 mm
- Total Length: 1190 mm
- Diameters: Ø75 mm (main), Ø60 mm (seal section)
- Material: 17‑4 PH Stainless Steel
- Seal Surface Finish: 0.4 µm Ra
- Straightness: 0.025 mm per 1000 mm
- Dynamic Balance: G 2.5 @ 3600 RPM
- Type: Cartridge Dual
- Size: 60 mm
- Rotating Face: Silicon Carbide (SiC)
- Stationary Face: Silicon Carbide (SiC)
- O‑Rings: Viton
- Springs: Hastelloy C
- Pressure Rating: Up to 25 Bar
- Temperature Range: −20°C to 120°C
- Radial Bearing: HDB Type
- Thrust Bearing: Angular Contact
- Floating End: Allows thermal expansion
- Fixed End: Maintains axial positioning
- Bearing Housing: Cast Steel
- High‑Pressure Zone
- Pressure Transition Zone
- Low‑Pressure Zone
- ISO 5199
- API 610 (OH3)
- ASME B73.1
- Design Software: SolidWorks / ANSYS CFX
- Manufacturing: CNC‑Machined Components
- Quality Control: ISO 9001:2015 Certified
Shaft Assembly
Mechanical Seal (Cartridge Type)
Bearing Arrangement
Hydraulic Flow Path
Internal hydraulic zones are engineered to maintain stable pressure transitions and minimize losses. The multi‑stage configuration ensures smooth flow progression from suction to discharge.
Design Standards & Manufacturing
Performance Summary
The Primary Pump Core is built for maximum efficiency, reliability and long operational life. Its multi‑stage centrifugal design ensures high pressure delivery with minimal hydraulic losses.
Blueprint Access & Licensing
Volume 3 of the H.E.R.P.S Primary Pump Core is part of the full 12‑volume engineering blueprint package available exclusively through BlueprintsMarket.com.
Contact Blueprints Market for licensing, integration support or enterprise‑level deployment.
