Tube Coupling
Tube Coupling is a kind of drilling tool in oil field, which i$ mainly used for tubing connection. The tubing coupling mainly solves the problem of fatigue fracture of existing coupling due to stress concentration.
Steel Tube Couplings Solutions by Wuxi Hengtong Petroleum Machinery
Precision-Engineered Connectivity for Demanding Industrial Applications
About Our Tube Coupling Systems
Wuxi Hengtong Petroleum Machinery leverages over 20 years of advanced manufacturing expertise to deliver superior tube coupling solutions designed for reliability, safety, and performance in the most challenging environments. Our couplings ensure leak-proof connections for high-pressure, cryogenic, and corrosive fluid conveyance systems across global industries.
Engineered from premium materials and manufactured to exacting tolerances, our products provide the critical link that maintains system integrity under extreme pressure, temperature, and operational stress.
Key Features & Technical Advantages
Uncompromising Precision
- Manufactured with tolerances as tight as ±0.05mm for perfect alignment and secure fit
- CNC-machined threads and surfaces ensure consistent, leak-free connections
- Seamless integration with our full range of precision tubes (Φ50-500mm)
Superior Material Construction
- Fabricated from ASME-certified alloy steels, duplex stainless steels, and specialized alloys
- Exceptional resistance to corrosion, erosion, and extreme temperatures (-200°C to +500°C)
- High-pressure ratings suitable for hydraulic, pneumatic, and process fluid systems
Robust Design & Engineering
- High-integrity thread forms designed to withstand vibration and thermal cycling
- Multiple sealing mechanisms (metal-to-metal, O-ring, ferrule-based) for application-specific performance
- Standard and custom configurations available for OEM and MRO requirements
Global Compliance & Certification
- Manufactured to meet ASME, API, ISO, and DIN standards
- Full traceability and material certification
- Third-party testing and validation available
Product Range & Applications
Our comprehensive coupling portfolio serves a diverse spectrum of industrial applications:
High-Pressure Fluid Conveyance
Applications: Hydraulic systems, waterjet cutting, intensifier systems
Products: High-pressure threaded couplings, flanged connectors, split-ring designs
Oil & Gas OCTG Connections
Applications: Downhole tools, surface piping, wellhead equipment
Products: API threaded couplings, premium connections with metal seals
Cryogenic & LNG Systems
Applications: LNG transfer, cryogenic storage, industrial gas systems
Products: Vacuum-jacketed couplings, specialty stainless steel connectors
Industrial Process Systems
Applications: Chemical processing, power generation, shipbuilding
Products: Sanitary fittings, forged steel couplings, high-purity connectors
Vertical Manufacturing Integration
As a specialist in precision tube production, we control the entire manufacturing process—from raw material to finished coupling—ensuring superior quality, consistency, and performance.
Technical Collaboration
Our engineering team provides expert support for:
- System design and integration
- Material selection guidance
- Custom coupling development
Global Supply Capability
With extensive experience in international material trading, we supply both standard and specialized couplings to customers across Asia, Europe, the Middle East, and the Americas.


Quality Assurance
Every coupling undergoes rigorous testing, including:
- Dimensional verification
- Pressure cycling
- Helium leak testing
- Metallurgical analysis
Industries Served
- Oil & Gas Exploration & Production
- Hydraulic Equipment Manufacturing
- Industrial Machinery & Automation
- Chemical & Process Industries
- Energy & Power Generation
- Shipbuilding & Marine Systems
- Cryogenic & Industrial Gas Systems
Technical Support & Custom Solutions
Our engineering team specializes in developing custom coupling solutions for unique applications. We provide:
Prototype development and testing
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Application-specific material selection
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Complete technical documentation
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After-sales support and maintenance guidance
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As one of the most professional tube coupling manufacturers and suppliers in China, our factory provides all kinds of tube coupling with competitive price. Hope you enjoy your shopping.
Steel Tube Couplings
































