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Pumps | K(S)ZA(E) Series
ZA Petrochemical Process Pump

Product Overview
Developed in strict accordance with API 610 specifications, our K(S)ZA(E) range represents an advanced domestic generation of process pumps featuring horizontal, single-stage, single-suction centrifugal design with closed impellers.
Key Features
- API 610 compliant design with axial suction and radial discharge configuration
- Balance holes integrated for hydraulic axial thrust balancing
- Double volute casing for all models with discharge DN80 and above to counteract hydraulic radial loads
- Cartridge mechanical seals complete with auxiliary cooling, flushing or barrier fluid piping systems
- One-piece bearing housing adopts oil-sump lubrication paired with constant-level oil cups
- Spacer-type flexible diaphragm couplings with back pull-out construction for simplified maintenance
- Standardized modular design ensures high part commonality and full series compatibility
- Pump cartridge can be withdrawn rearward without disconnecting suction/discharge flanges or drive motor
- Multiple cooling options available including natural cooling, water cooling or forced air cooling
Technical Specifications
| Capacity | 4 ~ 2390 m³/h |
| Head | 3 ~ 205 m |
| Speed | 2950 rpm, 1475 rpm, 960 rpm |
| Max. Viscosity | ≤150 mm²/s |
| Max. Working Pressure | ≤5.0 MPa |
| Operating Temperature | -80 ℃ ~ +450 ℃ |
| Motor Power Range | 1.1 ~ 315 kW |
| Shaft Runout | ≤0.05 mm |
Applications
- Refineries and petrochemical plants
- Coal processing and cryogenic projects
- General chemical processing facilities
- Pulp and paper mills
- Sugar manufacturing plants
- Municipal waterworks and seawater desalination
- HVAC and heating systems
- Power plants, environmental protection and marine offshore engineering
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