Products Description
The 316 Stainless Steel Universal Joint Coupling is a professional transmission connector designed for harsh and special working conditions. Forged from premium 316 stainless steel, it consists of a universal yoke, cross pin shaft and locking components, which can compensate for angular and axial offsets between two shafts to transmit torque stably. Compared with ordinary carbon steel universal joints, its molybdenum-containing material and integral precision casting structure minimize gaps for easier cleaning. It operates smoothly without jamming and adapts to food processing, seawater equipment, chemical anti-corrosion treatment, outdoor water treatment and other scenarios, supporting long-term stable operation in humid, acid-base and salt-containing environments.
Application Scope
Fluid Handling: Suitable for rotary connection parts of various fluid conveying and handling equipment, enabling flexible angle adjustment and stable medium transmission.
Food and Pharmaceutical Industry: Compliant with hygienic standards for clean working environments, it perfectly matches production equipment for food and pharmaceutical processing.

Marine Engineering: Applied to transmission connections for coastal and offshore equipment, it resists high salt-fog corrosion and ensures long-term stable operation.
Chemical and Light Industry: Adaptable to printing, dyeing, electroplating and other mild chemical working scenarios, it resists mild corrosive media to guarantee stable equipment transmission.
Product Advantages
Excellent Corrosion Resistance: Made of high-performance stainless steel, it resists erosion from most mild acid, alkali and salt fog environments and prevents rust formation after long-term operation.
Smooth Operation: The internal transmission structure is finely polished with low operating resistance, enabling flexible angle adjustment and jamming-free operation.
Wide Adaptability: It is compatible with equipment installation requirements for various working conditions and maintains stable transmission performance in complex environments.
Long Service Life: Key components are structurally reinforced with low wear rates under normal operating conditions, ensuring long-term and reliable performance.
Easy Cleaning and Maintenance: Its finely processed surface avoids stain adhesion, enabling convenient daily wiping and cleaning without residual dirt accumulation.
Relevant Data
| Parameter | Range / Options |
| Operating angle | Up to 35° (max 45° with reduced rpm) |
| Bore diameter | 6 mm – 80 mm (custom non-standard holes accepted) |
| Overall length | 30 mm – 500 mm (as per drawing) |
| Fastening | Set screw, clamp, or custom keyway |
| Torque capacity | 20 Nm – 2500 Nm (depending on size & material) |
| Finish | Raw machined, polished, or passivated |
Precautions
Do not operate the product under working conditions exceeding its load capacity, so as to avoid component plastic deformation and transmission failure.
Avoid striking the component surface forcibly during installation to prevent latent structural damage that may compromise long-term operational safety.
Do not use the product directly in strongly corrosive or high-impact special working conditions. Confirm its adaptive protection performance in advance.
Non-professional maintenance personnel are prohibited from arbitrarily disassembling the core sealing and transmission structures to avoid damaging the original protection performance and fitting precision.
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FAQ
Q: Will the 316 Stainless Steel Universal Joint Coupling rust quickly when exposed to daily moisture?
A: Fully manufactured from 316 stainless steel, the product delivers excellent inherent rust resistance. It hardly develops rust spots during long-term service in humid environments and maintains stable operating performance.
Q: Will it release harmful substances and contaminate materials when used on food processing equipment?
A: 316 stainless steel is safe and hygienic with no harmful substance precipitation. It will not contaminate food materials, fully meets the usage standards of clean processing equipment, and allows easy daily cleaning.
Q: Does the 316 Stainless Steel Universal Joint Coupling operate smoothly without jamming?
A: The internal structure is finely polished for flexible operation. It provides stable power transmission without obvious jamming during angle adjustment and long-term continuous operation.
Q: Is the 316 material vulnerable to corrosion damage?
A: With molybdenum elements incorporated, 316 stainless steel features superior resistance to weak acid and salt medium erosion. It can operate stably for a long time in mildly corrosive environments and performs better than ordinary stainless steel universal joints.
Factory Environment


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