Milton Roy MILROYAL Series Metering Pumps
Precision Chemical Injection | API 675 & ATEX Certified | Modular Design

Product Overview
The Milton Roy MILROYAL Series Metering Pumps are engineered for critical chemical injection applications across oil & gas, chemical processing, and industrial water treatment. Featuring a modular design, these pumps allow selection of a variety of liquid ends and configurations to meet precise process requirements.
Available in three frame sizes and optional multiplex configurations, MILROYAL pumps deliver accurate dosing across a wide range of pressures and flow rates. With compliance to API 675, EC, ATEX, and IECEX, they are built for harsh environments where reliability and precision are paramount.
Technical Specifications
| Liquid End Material | 316SS / Alloy 20 / Alloy C22 / PVC* |
| Maximum Pressure | 3,495 psi / 241 bar (metallic); 150 psi / 10 bar (plastic); 3,000 psi / 207 bar (packed plunger) |
| Maximum Flow Rate | 53 gph / 200 lph (metallic); 34.1 gph / 129 lph (plastic); 12.5 gph / 47.3 lph (packed plunger) |
| Flow Control | Manual / Remote |
| Certifications | API 675, EC, ATEX, IECEX |
*PVC liquid ends are not available with packed plunger type
Key Features
- Modular design allows selection of various liquid ends
- Three frame sizes for precision dosing over wide capacity ranges
- Optional multiplex configurations for added flexibility
- High-pressure capability for critical process applications
- Reliable chemical injection in harsh and remote environments
- Certified for global standards including API 675, ATEX, IECEX
- Low-maintenance operation for long-term cost savings
Applications
The Milton Roy MILROYAL Series pumps are ideal for:
- Oil & Gas: methanol, corrosion inhibitors, oxygen binders injection in offshore and onshore facilities
- Drag Reducer Agents (DRA): precise dosing along pipelines to optimize flow efficiency
- Chemical & Petrochemical Processing: accurate delivery of harsh or toxic chemicals
- Industrial Water & Wastewater Treatment: reliable chemical dosing for quality compliance
Technical Resources
- • ACC Actuator Capacity Controller – Datasheet
- • Milton Roy High-Pressure Diaphragm Pump IOM
- • PrimeRoyal / Milton Roy Critical Service Liquid End IOM
- • Electronic Capacity Control Instruction & Operation Manual
- • MILROYAL D Drive & Packed Plunger Pump – Instruction Manual




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