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China factory - Jiangsu  Sunzo  Spring  Elasticity  Technology Co., Ltd

Jiangsu Sunzo Spring Elasticity Technology Co., Ltd

  • China,Nanjing
  • Verified Supplier

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China Corrosion-Resistant High-Force Nested Wave Spring for Downhole Tools in Inconel
China Corrosion-Resistant High-Force Nested Wave Spring for Downhole Tools in Inconel

  1. China Corrosion-Resistant High-Force Nested Wave Spring for Downhole Tools in Inconel

Corrosion-Resistant High-Force Nested Wave Spring for Downhole Tools in Inconel

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Temperature Stability Predictable characteristics across range
Chemical Resistance Resistant to corrosive chemicals
Environmental Suitability Subsea and downhole
Material Treatment Sour gas service treated
Inner Diameter Range 20.0 mm to 320.0 mm
Operating Temperature Range -60°C to +550°C
Sulfide Stress Resistance NACE MR0175 / ISO 15156 compliant
Pressure Suitability Deep-sea hydrostatic pressure
Material Inconel X-750, Inconel 718, Super Duplex Stainless Steel
Max Working Pressure 105 MPa (15,000 psi)
Sealing Mechanism Metal-to-metal sealing
Footprint Small footprint
Corrosion Resistance High corrosion-resistant
Vibration Resistance High vibration-resistant
Profile Slim profile
Force Efficiency High force in compact space
Mechanical Stress Resistance High mechanical stress-resistant
Force Type High-force axial loading
Design Type Multi-layer nested
Application Pressure Extreme high-pressure

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  1. Product Details
  2. Company Details

Product Specification

Temperature Stability Predictable characteristics across range Chemical Resistance Resistant to corrosive chemicals
Environmental Suitability Subsea and downhole Material Treatment Sour gas service treated
Inner Diameter Range 20.0 mm to 320.0 mm Operating Temperature Range -60°C to +550°C
Sulfide Stress Resistance NACE MR0175 / ISO 15156 compliant Pressure Suitability Deep-sea hydrostatic pressure
Material Inconel X-750, Inconel 718, Super Duplex Stainless Steel Max Working Pressure 105 MPa (15,000 psi)
Sealing Mechanism Metal-to-metal sealing Footprint Small footprint
Corrosion Resistance High corrosion-resistant Vibration Resistance High vibration-resistant
Profile Slim profile Force Efficiency High force in compact space
Mechanical Stress Resistance High mechanical stress-resistant Force Type High-force axial loading
Design Type Multi-layer nested Application Pressure Extreme high-pressure
High Light Corrosion-Resistant Nested Wave SpringHigh-Force Nested Wave SpringX-750 Nested Wave Spring
Downhole Oil & Gas Well Tools
Corrosion-Resistant Nested Wave Spring for Subsea and Downhole Wellhead Tools
Subsea exploration and downhole oil production subject equipment to extreme pressures, corrosive chemicals, and high mechanical stress. For these demanding environments, Jiangsu Sanzhong Elastic Technology Co., Ltd. manufactures high-performance Nested Wave Spring components designed for reliability in critical conditions. Our parallel-turned wave springs provide the heavy force required to seal downhole packers, safety valves, and blowout preventers (BOP).
+------------------------------------------------------------------------+ | DOWNHOLE VALVE SEAL MECHANISM | | | | +--------------------------------------------+ | | | Tool Outer Body | | | +-------+----------------------------+-------+ | | | [High-Force Nested Spring] | | | | ====================== | | | +-------+-------+ +-------+-------+ | | | V-Packing | | V-Packing | | | | Seal Lip | | Seal Lip | | | +---------------+ +---------------+ | | | | Function: Provides strong, continuous axial loading to compress | | elastomeric packings against high-pressure sour gases. | +------------------------------------------------------------------------+
Standard single-turn springs often lack the force needed to overcome deep-sea hydrostatic pressure, while large coil springs require too much space. Our multi-layer nested design provides high force in a small footprint, allowing downhole tools to be built with slimmer profiles. This helps operators lower drilling torque and improve well intervention efficiency.
Target Client Applications
  • Downhole Drilling Tools: Integrated into steering tools and logging-while-drilling (LWD) systems to isolate delicate electronics from high vibration.
  • Subsea Wellhead Valves: Applied to main gate valve gates to ensure metal-to-metal sealing compliance in cold marine environments.
  • Subsea Packers & Plugs: Used to apply continuous compression to elastomeric elements, maintaining long-term isolation in sour wells.
Technical Specifications & Product Parameters
Parameter Specification
Material Integrity Specialization in Inconel X-750 (UNS N07750), Inconel 718, and Super Duplex Stainless Steel
Sulfide Stress Cracking Resistance Materials treated to comply with NACE MR0175 / ISO 15156 standards for sour gas service
Inner Diameter (ID) Range 20.0 mm up to 320.0 mm to match standard well tool mandrel dimensions
Maximum Working Pressure Qualified for use in systems operating at pressures up to 105 MPa (15,000 psi) and higher
Operating Temperature Limits Retains predictable spring characteristics at temperatures ranging from -60°C to +550°C

Company Details

Bronze Gleitlager

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 from Quality China Factory
  • Business Type:

    Manufacturer,Exporter,Seller

  • Year Established:

    2006

  • Total Annual:

    1.2M-1.4M

  • Employee Number:

    160~200

  • Ecer Certification:

    Verified Supplier

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  • Jiangsu Sunzo Spring Elasticity Technology Co., Ltd
  • No.20, Xinghuo Road, Nanjing High-tech Development Zone
  • https://www.spring-disc.com/

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