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| Brand Name: | VIGOROUS |
| Moq: | 1 Piece |
| Price: | Negotiable |
| Payment Terms: | T/T,L/C |
| Supply Ability: | 500–2000 pcs/month |
Our precision pistons are crafted from high-grade aerospace aluminum alloy (7075-T6), selected for its exceptional balance of strength, lightweight properties, and thermal conductivity. This material choice is critical for fluid control systems, where reliability under pressure and temperature fluctuations is non-negotiable.
| Material Property | Value/Characteristic | Benefit for Fluid Control |
|---|---|---|
| Tensile Strength | 570 MPa | Withstands high-pressure fluid dynamics without deformation |
| Thermal Conductivity | 130 W/m·K | Rapid heat dissipation prevents thermal expansion-induced leaks |
| Density | 2.81 g/cm³ | Reduces reciprocating mass, improving system response time |
| Corrosion Resistance | Anodized surface (50μm) | Resists chemical degradation from aggressive fluids (e.g., hydraulic oils, coolants) |
Key Note: The 7075-T6 alloy’s microstructure is optimized through precision forging before machining, ensuring grain flow aligns with stress paths—critical for fatigue resistance in cyclic fluid control applications.
Each piston undergoes a multi-stage CNC machining process, achieving tolerances that guarantee seamless integration into fluid control assemblies.
| Machining Feature | Specification | Functional Impact |
|---|---|---|
| Outer Diameter (OD) | Ø45.00 ±0.005 mm | Ensures zero-leak seal fit with cylinder bore, minimizing fluid bypass |
| Ring Groove Width | 2.00 ±0.01 mm | Maintains consistent ring tension for dynamic sealing under pressure swings |
| Pin Bore Diameter | Ø12.00 ±0.003 mm | Eliminates play in connecting rod interface, reducing vibration-induced wear |
| Surface Finish (Ra) | 0.2 μm (mirror-polished) | Reduces friction by 30% vs. standard finishes, extending seal life and efficiency |
Highlight: The asymmetric ring groove design (visible in the image) is engineered to optimize oil retention during high-speed operation—a critical feature for maintaining lubrication in dry-sump fluid systems.
While 7075-T6 is our flagship choice, we machine pistons from diverse materials to match your application’s demands:
| Material | Best For | Unique Advantage |
|---|---|---|
| Stainless Steel 316L | Corrosive chemical handling | Resists HCl, NaOH, and other aggressive media |
| Titanium Grade 5 | Extreme weight-sensitive aerospace | 45% lighter than steel with superior strength-to-weight ratio |
| PEEK Polymer | Low-friction, non-lubricated systems | Self-lubricating, ideal for food-grade fluid control |
| Brass C360 | Low-pressure water systems | Natural corrosion resistance in potable water applications |
Pro Tip: For high-wear applications, we offer tungsten carbide coating on sealing surfaces—increasing lifespan by 5x in abrasive fluid environments.
Q: Can you match our existing piston dimensions exactly?
A: Yes. Provide your CAD file or physical sample—we reverse-engineer to ±0.002mm accuracy, ensuring drop-in replacement compatibility.
Q: How do you ensure material consistency across batches?
A: Every billet is certified to ASTM B209 standards, with batch-specific mill test reports provided. We also perform in-house hardness testing (Rockwell B scale) on 10% of each production run.
Q: Do you offer post-machining treatments for enhanced performance?
A: Absolutely. Options include DLC coating (for friction reduction), shot peening (fatigue life extension), and cryogenic treatment (dimensional stability improvement).
Q: Can this piston handle cryogenic fluids like liquid nitrogen?
A: Yes—with material adjustment. We recommend 304L stainless steel for cryogenic service, as its austenitic structure remains ductile down to -196°C. Contact us for application-specific validation
