LEWA triplex® compact process pumps are hydraulically driven diaphragm process pumps designed for high-pressure industrial applications where reliable fluid handling, compact installation, and process consistency are important.
The triplex series combines LEWA diaphragm pump technology with a compact monoblock design, making it suitable for systems where available installation space, operating reliability, and long-term pump performance must be carefully evaluated.

The LEWA triplex® family is built around a rugged process pump design that supports demanding process environments and a range of fluid-handling requirements. The series incorporates LEWA’s diaphragm protection technology, diaphragm monitoring capability, and integrated hydraulic-side pressure relief to help protect the pump during operation. Its three-piston configuration supports smooth running and low-pulsation flow behavior, which can help simplify system design depending on the application and piping arrangement.
For engineers and plant teams evaluating high-pressure process pump options, LEWA triplex® pumps may be considered for applications involving process fluid transfer, controlled pumping, and integration into larger industrial systems.
Available configurations include multiple pump sizes, pump head variants, connection geometries, control options, and material selections based on the application requirements.
Process Controls Corporation can support customers in reviewing process conditions, installation constraints, control needs, and pump configuration requirements for LEWA triplex® process pump applications.
Key Characteristics
- Product Type: Compact process diaphragm pump
- Pump Family: LEWA triplex®
- Primary Function: High-pressure industrial process pumping
- Pump Design: Hydraulically driven diaphragm process pump
- Design Format: Compact monoblock construction
- Flow Behavior: Designed for smooth running and low-pulsation operation
- Diaphragm Protection: Incorporates LEWA DPS diaphragm protection technology
- Monitoring Capability: Diaphragm monitoring supports operational awareness
- System Protection: Integrated hydraulic-side pressure relief valve
- Configuration Options: Supports multiple pump sizes, pump head variants, connection geometries, and control methods
- Standards Reference: LEWA states the triplex series fulfills API 675 requirements for displacement pumps in industrial settings.
Ideal Applications
- High-pressure process pumping
- Industrial process fluid transfer
- Process systems with limited installation space
- Applications requiring compact pump integration
- Low-pulsation process flow applications
- Pumping applications requiring diaphragm-based separation between hydraulic and process fluid areas
- Process control system integration
- Applications requiring configurable pump heads, connections, or material selections
Industries Served
- Oil and Gas
- Chemical Processing
- Food Production
- Energy Applications
- Pharmaceutical and High-purity Process Environments when Sanitary or Hygienic Configurations are Required



