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Dominion Parts
Dominion Parts
Our premium pistons are engineered specifically for use in oilfield equipment, ensuring optimal performance and reliability in demanding environments. Designed to withstand extreme conditions, these pistons deliver superior sealing and durability, which are critical for maintaining efficiency in various oil extraction processes.
With their precision engineering and high-quality materials, our pistons are the ideal choice for operators seeking to maximize equipment lifespan and reduce maintenance costs.
| Product Name | Oilfield Hydraulic Piston |
| Bore Diameter Range | 80 mm – 300 mm |
| Compression Height | 35 mm – 120 mm (approx. 40%–60% of bore diameter) |
| Weight Tolerance | ± 2 g (per matched set) |
| Top Ring Groove Hardness | ≥ 90 HBS (with Ni-resist insert) |
| Skirt Clearance | 0.03 mm – 0.08 mm (cold assembly) |
| Operating Temperature | –40 °C to +320 °C (continuous) |
| Peak Pressure Rating | 200 bar – 450 bar (for high-pressure drilling pumps) |
| Surface Roughness (Skirt) | Ra ≤ 0.4 µm |
| Coating Thickness | Anodized layer: 20 µm – 50 µm; Polymer coating: 10 µm – 30 µm |
| Applicable Standards | API 11E, API 674, ISO 13535 |
Made from high-quality materials, our pistons are built to endure high pressures and harsh operating conditions, ensuring longevity and reliability.
Each piston is meticulously designed for optimal fitting and sealing, minimizing wear and tear while enhancing operational efficiency.
Features advanced sealing technology to prevent leaks and ensure consistent performance, reducing the risk of costly downtime.
These pistons are designed to fit a wide range of oilfield equipment, making them versatile components for various applications.
Our pistons are engineered for easy installation and minimal maintenance, saving operators time and resources in the field.
