Paper Machine Dryer Cylinder Steam Rotary Joint

Product Description

Sun Hong Paper Machiney -- Rotary Joint

Rotary Joint is a key precision component used in paper machines, mainly installed on dryer cylinders to realize the reliable transmission of steam, hot water, or thermal oil between stationary pipes and rotating rolls.
Our rotary joints adopt a balanced mechanical seal structure with high-precision grinding and self-centering design, ensuring stable operation under high temperature, high pressure and high speed conditions. They feature low friction, no leakage, long service life, and easy maintenance. The products are widely used in the dryer section of paper machines, as well as textile, rubber, plastic and other machinery equipment requiring fluid heating and cooling.
With excellent sealing performance and high concentricity, our rotary joints effectively reduce energy loss, extend the service life of seals and bearings, and greatly improve the stability and efficiency of paper production.

Advantages of Rotary Joint

1. Zero Leakage & Stable Sealing
It uses high-precision balanced mechanical seals to ensure long-term tightness under high temperature and pressure. No medium leakage occurs even in continuous heavy-duty operation.
2. Self-Supporting & Self-Centering Design
The self-centering structure automatically adapts to roll rotation runout, keeping stable running and reducing vibration and noise.
3. Wide Medium Compatibility
Suitable for steam, hot water and thermal oil transmission. It meets diversified heating and cooling requirements in papermaking and other industries.
4. High Temperature & High Pressure Resistance
Made of high-strength alloy and stainless steel, it withstands high temperature, high pressure and high rotating speed without deformation or damage.
5. Compact Structure & Easy Maintenance
Compact and reasonable structure allows quick installation, disassembly and replacement. It greatly shortens downtime and lowers maintenance cost.
6. Long Service Life & Energy Saving
Low friction loss and high concentricity reduce wear on seals and bearings. It prolongs service life and saves energy consumption effectively.

Product Parameters of Rotary Joint

Model	SHA2	SHA4	SHA6	SHA8
Number of circuits	2 circuits	4 circuits	6 circuits	8 circuits
Orifice area    mm2	20.4
Fluid used	General mineral based hydraulic oil (ISO-VG32 equivalent) or air
Max. pressure    MPa	25
Allowable rotations	Varies depending on fluid pressure (refer to page →246 for details on allowable rotations.)
Operating temperature   °C	0-70
Piping port size	Rc1/4 (body upper surface is Rc1/8)
Mass    kg	3.0	5.0	8.9	12.9

Application of Rotary Joint

--Paper machine dryer cylinder
--Tissue paper, cultural paper, packaging paper production line
--Textile drying equipment
--Rubber and plastic calendar rolls
--Other heating/cooling rotating equipment

Globle Exhibition & Globle Customer

If you are interested in any of our products or would like to discuss a custom order, please feel free to contact us. We are looking forward to forming successful business relationships with new clients around the world in the future.