Model: CHD
The API 610 OH2 Model CHD Pump is a horizontal, single-stage, overhung centrifugal pump designed in full compliance with API 610 standards for oil & gas, refinery, and petrochemical services. It features a centerline-mounted casing, optimized hydraulics, and heavy-duty construction for high thermal stability, reliable performance, and continuous operation.
The CENTFOS-CHD API 610 OH2 pump is a horizontal, overhung, centerline-mounted, single-stage centrifugal pump designed fully in compliance with the latest edition of API 610 for refinery, petrochemical, and oil & gas applications.
The OH2 configuration is the most widely used API process pump type, engineered for high reliability, thermal stability, and heavy-duty service, particularly in high-temperature hydrocarbon and chemical applications.
The CENTFOS OH2 series combines optimized hydraulic performance, rugged mechanical design, and API-compliant construction to deliver continuous, safe, and efficient operation in critical process environments.
| Parameter | Range |
|---|---|
| Flow Rate | Up to 2,000 m³/hr |
| Head | Up to 300 m |
| Design Pressure | Up to 50 bar (higher on request) |
| Temperature Range | -46°C to +400°C |
| Speed | 1,450 / 2,950 rpm (50 Hz) |
| Nozzle Orientation | End suction, top discharge |
| Flange Rating | ASME B16.5 Class 150–600 |
| Seal Type | Single / Dual Mechanical Seal |
| Seal Plans | API Plan 11 / 52 / 53 / 54 |
| Mounting | API baseplate, centerline supported |
| Component | Standard Material |
|---|---|
| Casing | ASTM A216 WCB |
| Impeller | CF8M / SS316 |
| Shaft | AISI 4140 / 410 SS |
| Wear Rings | SS / Hardened Alloy |
| Shaft Sleeve | SS 410 / 316 |
| Bearings | SKF / FAG / Equivalent |
| Baseplate | Fabricated Steel, API Type |