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1108-019-212 Pneumatic Rotary Joints

1108-019-212 is a “closed seal” rotary joint of the 1108 series. This series of products is designed specifically for continuous coolant applications, especially suitable for automated production lines and similar industrial scenarios that require high speed, high precision, and water-based coolant or micro lubrication (MQL/oil mist) as the medium

  • mediumCoolant, air, heat transfer oil
  • Operating Temperature-30~+120℃
  • work pressure12MPa
  • maximum speed12000r/min

1108-019-212 is a “closed seal” rotary joint of the 1108 series. This series of products is designed specifically for continuous coolant applications, especially suitable for automated production lines and similar industrial scenarios that require high speed, high precision, and water-based coolant or micro lubrication (MQL/oil mist) as the medium. The core design concept is to achieve a full flow path, avoid blockage by debris and burrs, and ensure long-lasting operation under harsh working conditions through advanced sealing technology.

Customized processing: Yes
Whether to import: No
Scope of use: Rotating joints for mechanical engineering
Connection method: flange thread
Pressure: 12MPA
Speed: 1200r/min
Temperature: -30~+120 ℃
Media: coolant, air, heat transfer oil


1108-019-212 Pneumatic Rotary Joint is a high-performance and high-precision mechanical seal product that can be used in the machine tool industry, such as CNC machine tool spindles, deep hole drills, milling and grinding machines. The media used are coolant, air, and heat transfer oil. Jiang Sheng’s application of new sealing technology can solve the problem of medium leakage in multi medium applications, providing perfect medium transportation during high-speed operation and parking of the main shaft, ensuring that the main shaft is not contaminated by the leaked medium and causing damage to the main bearings.
Full flow design, no debris or burr blockage;
Bearing support and threaded rotor, easy to install;
Deep groove radial ball bearings operate smoothly;
Adopting labyrinth seal and large leakage port to protect ball bearings;
Balanced machine seal, made of silicon carbide material, can extend the service life even under harsh working conditions;
Anti corrosion anodized aluminum components, replaced with high-pressure resistant rotating seals, with a pressure resistance of up to 12MPA;
Suitable for closed sealing of high-speed machine tool spindles and gun drilling (deep hole machining) machines, automatic lines, or similar applications.

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