QD Type Water and Steam Rotary Joint
♦The QD-type rotary joint features a unidirectional flow design.
♦It is constructed from cast iron, providing a sturdy and durable structure.
♦With a threaded connection and a spherical sealing mechanism, it offers automatic alignment and compensation to ensure the stable transmission of media such as steam and water.
♦This joint is suitable for equipment in industries such as printing and dyeing, papermaking, and rubber.
♦It is maintenance-free (requiring no lubrication), easy to install, and ensures the efficient unidirectional circulation of industrial fluids.
Product Drawing
Product Parameters
|
Technical Parameters |
|
|
Medium |
Saturated steam, Superheated Steam, Superheated Water |
|
Max. Temperature |
220℃ |
|
Max. Pressure |
1.8mpa |
|
Max. Speed |
100rpm |
Product Features
Unidirectional Flow Design
Precisely controls the single flow direction of the medium (such as steam input), prevents backflow, and adapts to unidirectional demand scenarios such as rollers and dryers.
Convenient Threaded Connection
Features a standard threaded interface, making it easy to install and quickly connect rotating equipment and fixed pipelines.
Stable Spherical Sealing
Boasts a simple structure that is self-aligning and self-compensating, enhancing sealing reliability, reducing the risk of leakage, and adapting to complex working conditions.
High-Temperature Resistance and Maintenance-Free
The cylindrical graphite support can withstand high temperatures, requires no lubrication, and is maintenance-free, reducing maintenance frequency and making it suitable for long-term continuous operation.
FAQ
Q: Are there other material options besides cast iron?
A: Yes, cast steel and stainless steel are also available. We can provide customization according to your requirements.
Q: Does the QD Type support bidirectional media flow?
A: No, it is designed for single flow only. For bidirectional needs, please select other models.
Q: Are specialized tools required for threaded connection installation?
A: Installation can be completed with standard tools by following the recommended torque specifications, making it simple and quick.
Application Scenarios
In various industries, equipment like metallurgical rolling mills, continuous casters; machine tools (lathes, mills, grinders); plastic/rubber extruders, calenders; papermaking/printing machines; textile dyeing/setting equipment; high-pressure cleaners, and drum dryers all require QD rotary joints for stable single- or double-medium transfer (cooling, heating, lubrication) under medium-low pressure and speed.
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