Rotary Shaft Seals Rotary Air Valve

BL-DL complies with Meiwei FDA certification. The static ring and movable ring of the shaft seal are made of high-performance modified PTFE material, PEEK1000 and special metal processes. The shaft seal installation base, 0-ring, static ring, movable ring, and end cover can be made into a partial structure, which is easy to maintain and replace. It can also be used for on-site demolishing-free upgrades and replacement of equipment filler seals, skeleton oil seals and mechanical seals.

Rotary shaft seals in rotary air valves are critical for ensuring airtight operation and maintaining process efficiency in pneumatic conveying and material handling systems. These valves are widely used in industries such as food processing, pharmaceuticals, chemicals, and cement to control the flow of bulk solids while isolating differential pressures between systems. The rotary shaft seals prevent air and material leakage at the shaft interface, which is vital for preserving system pressure, minimizing product loss, and preventing contamination.

Operating under continuous rotation and often exposed to abrasive, high-temperature, or chemically aggressive materials, these seals must be made from durable materials such as PTFE, elastomers, or engineered composites. Proper seal design must also accommodate shaft misalignment, thermal expansion, and frequent cleaning cycles in hygienic applications. Failure of the shaft seals can result in reduced efficiency, increased maintenance, and compromised product integrity. This paper discusses the design requirements, material selection, and performance characteristics of rotary shaft seals in rotary air valves, emphasizing the importance of sealing reliability in maintaining consistent and contamination-free operations across diverse industrial settings.

1.EXPLODED VIEW

2.BL-D SIZE

3.Appllcation Scenarios

4.FAQ

How long does it take to install the sealing product?

30-60 minutes

Can I only buy some spare parts from you?

Yes

Will you attend the fair to show your products?

Attend the exhibition

Can you send your equipment to my warehouse in guangzhou?

Yes

Do you have detailed and professional installation manual?

Provide SOP and installation video

Are you a trading company or a manufacturer?

Manufacturer

What can our company do for you?

1. Solve the pain powder problem: Through high-performance sealing design, powder leakage is significantly reduced and the cleanliness of the production environment is improved.

2. Extend equipment life: Wear resistant materials and optimized structural design reduce equipment wear, reduce downtime and maintenance time, and control the replacement time within 30 minutes.

3. Reduce operating costs: Efficient sealing solutions reduce resource waste, help customers reduce costs and increase efficiency, and save 55% maintenance costs

4. Improve production efficiency: Stable and reliable sealing performance ensures continuous and efficient operation of equipment.

The company's mission: Drive the transformation of the powder industry with technological innovation, provide customers with efficient, reliable and intelligent sealing solutions, help industrial equipment operate efficiently, reduce operating costs, and achieve sustainable development of the industry.

The company's vision: To become the global leader in providing sealing solutions for the powder industry, create lasting value for customers with excellent product technology and services, and promote the development of the powder industry in an intelligent and green direction.