Product Description

The KSB HPK-L is a dry-installed heat transfer fluid and hot water pump designed for demanding industrial heating, district heating and forced circulation boiler systems.

Built to ISO 2858 and ISO 5199 standards, this horizontal radially split volute casing pump uses a back pull-out design for easier maintenance and reliable long-term operation in high-temperature process systems.

Complete Package: Engineered Pump Supply

Pumps and Gearboxes supplies the KSB HPK-L as part of an engineered pump solution, supporting specification, drive configuration and lifecycle support.

Each pump is selected based on operating temperature, system pressure, fluid type and duty point to help ensure safe, efficient and reliable operation.

We support both new installations and replacement projects for hot water and heat transfer fluid systems.

Why Choose the HPK-L

• High Temperature Capability: Suitable for hot water and heat transfer fluids up to 400°C
• Reliable Seal Protection: Air-cooled seal chamber with heat barrier, with no external cooling water required
• Back Pull-Out Design: Supports easier maintenance without disturbing pipework
• ISO Standard Design: Built to ISO 2858 and ISO 5199 for reliability and interchangeability
• ATEX Availability: ATEX-compliant versions available for hazardous areas

Performance Benefits

• High Flow Capability: Maximum flow rate up to ≤ 1400 Hz
• High Head Performance: Maximum head up to 162 m
• Reduced Cooling Requirements: Integrated fan impeller and heat barrier remove the need for external cooling water
• Improved Efficiency: Hydraulic design supports efficient operation close to the duty point
• Long Service Life: Bearing arrangement designed for demanding continuous-duty applications

Applications

• Heat Transfer Systems: Organic and synthetic heat transfer fluid circulation
• Hot Water Systems: High-temperature hot water circulation
• Forced Circulation Boilers: Reliable pump operation in boiler circuits
• District Heating: Pumping duties within large-scale heating networks
• Industrial Process Heating: Temperature-controlled process systems

Construction & Design

• Pump Type: Horizontal radially split volute casing pump
• Design: Single-stage, single-entry pump with radial impeller
• Maintenance Access: Back pull-out construction
• Cooling: Air-cooled seal chamber with integrated fan impeller
• Seal Protection: Heat barrier reduces temperature at the mechanical seal chamber
• Connection: Flanged connections
• Compliance: ATEX-compliant versions available