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Custom Single Turn Wave Spring 5N - 250N Hydraulic Seals Custom Wave Springs

Custom Single Turn Wave Spring 5N - 250N Hydraulic Seals Custom Wave Springs
Basic Properties
Place of Origin: Sihong, China
Brand Name: Sunzo
Certification: CE/IATF16949/45001/14001/9001
Trading Properties
Minimum Order Quantity: Negotiable
Price: Negotiable
Payment Terms: Negotiable
Product Summary
SUNZO custom waved springs for hydraulic seals provide precise axial preload (5-250N) & micro-deformation control. Engineered with materials like 50CrVA & SUS316, plus corrosion-resistant coatings. ISO-certified with FEA-optimized designs for stable performance in demanding hydraulic applications.
Product Custom Attributes
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Custom Single Turn Wave Spring

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Single Turn Wave Spring 5N

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250N custom wave springs

Axial Preload Range:
5N-250N
Micro-deformation Control:
≤0.02mm
System Pressure Integrity:
Up To 350 Bar
Stiffness Profiles:
0.5-20 N/mm
Temperature Range:
-40°C To 200°C
Diameter Range:
10mm-300mm
Tensile Strength:
1373-1667 MPa
Fatigue Life:
≥200,000 Cycles At 70% Load
Salt Spray Resistance:
1,000+ Hours
Operating Temperature:
-270°C To 650°C
Phosphate Layer Thickness:
5-10μm
Friction Reduction:
25%
Dacromet Coating Resistance:
1,000+ Hours Salt Spray
Zinc Plating Thickness:
8-12μm
Pressure Cycling:
10⁴ Cycles At 350 Bar
Load Retention:
≤1.5% Loss After 10⁶ Cycles
Dimensional Tolerance:
±0.01mm
Wave Height Tolerance:
±0.01mm
Thickness Tolerance:
±0.01mm
Material Traceability:
EN 10204 3.1
Product Description
Detailed Specifications & Features
Custom Waved Spring Engineering for Hydraulic Seals: SUNZO's Precision Solutions for Sealing Integrity
Hydraulic seals have unique requirements for waved springs, and SUNZO has the expertise to provide customized solutions. Our customized waved springs (wave springs) are elastic elements with peaks and valleys on a metal ring, designed to meet the specific load, deformation and stiffness requirements of hydraulic seal systems. We use high-quality materials like 50CrVA, SUS316, Inconel718 and 65Mn, with surface treatments like phosphating and dacromet to enhance corrosion resistance. Our professional design team can create tailored waved springs for your hydraulic seal applications, ensuring stable performance and long service life.
Hydraulic Seal-Specific Design Engineering
SUNZO's custom waved springs are engineered to address the unique challenges of hydraulic seal systems, where stable axial preload (5N-250N) and micro-deformation control (≤0.02mm) are critical to preventing fluid leakage and maintaining system pressure integrity (up to 350 bar). Our design process integrates:
  • Load-Deflection Optimization: FEA simulation (ANSYS) to tailor stiffness profiles (0.5-20 N/mm) for specific seal compression requirements, ensuring consistent force output across temperature fluctuations (-40°C to 200°C).
  • Space Efficiency: Single-layer closed designs (diameters 10mm-300mm) with CNC-formed wave geometry, reducing axial space by 40% compared to conventional coil springs for compact hydraulic cylinders and valve assemblies.
Material Science for Hydraulic Environments
We select materials based on hydraulic system operating conditions, ensuring compatibility with aggressive fluids, pressure cycles, and temperature extremes:
Material Key Properties Ideal Applications
50CrVA Alloy Steel Tensile strength 1373-1667 MPa; fatigue life ≥200,000 cycles at 70% load High-pressure hydraulic cylinders, gear pumps
SUS316 Stainless 2-3% molybdenum for pitting corrosion resistance; 1,000+ hours salt spray (ASTM B117) Marine/offshore hydraulic systems, chemical processing
Inconel718 Operates at -270°C to 650°C; creep resistance for thermal hydraulic systems Turbine control valves, high-temperature seals
65Mn Spring Steel Cost-effective; 10⁶+ cycle fatigue life for general industrial hydraulics Pneumatic actuators, low-pressure seal assemblies
Surface Treatments for Enhanced Sealing Performance
To maximize durability in hydraulic environments, we offer specialized coatings:
  • Phosphating: Forms a crystalline iron phosphate layer (5-10μm) that improves lubricity, reducing friction by 25% and enhancing seal adhesion.
  • Dacromet Coating: Chromate-free zinc-aluminum flake treatment providing 1,000+ hours of salt spray resistance (ASTM B117), ideal for coastal or high-humidity hydraulic systems.
  • Mechanical Zinc Plating: 8-12μm thick coating with 800+ hours salt spray resistance, extending service life by 200% in abrasive conditions.
Quality Validation & Compliance
Every custom hydraulic waved spring undergoes rigorous testing to ensure sealing reliability:
  • Pressure Cycling: 10⁴ cycles at 350 bar to validate load retention (≤1.5% loss after 10⁶ cycles).
  • Dimensional Accuracy: CNC-formed with ±0.01mm tolerance for wave height and thickness, verified via 3D optical scanning.
  • Material Traceability: Full mill test reports (EN 10204 3.1) and compliance with ISO 9001/AS9100D standards.
Application-Specific Solutions
Our engineering team collaborates to solve unique hydraulic challenges, including:
  • Valve Actuators: Custom wave profiles to maintain seal preload during dynamic pressure fluctuations.
  • Piston Assemblies: Tapered wave designs for uniform force distribution, reducing seal wear in reciprocating motion.
  • Offshore Oil & Gas Systems: SUS316/Dacromet combinations for H₂S/CO₂-rich environments.