Definition and purpose:
• Sanitary valves are valves designed specifically for industries such as food, beverage, pharmaceutical and bioprocessing.
• Mainly used to control the flow of fluids, regulate pressure and temperature, and prevent backflow and mixing.
• The key role is to maintain hygienic conditions, prevent product contamination and ensure product quality and safety.
Material and design features:
• Usually made of stainless steel, such as 316L grade, to ensure corrosion resistance and hygiene.
• Designed with smooth internal surfaces and no dead spots to prevent bacterial growth and product contamination.
• Special seals and operating systems ensure valve reliability and operability.
Hygiene standards and certification:
• Comply with 3A, FDA, EHEDG and other industry standards and regulations.
• Ensure design, materials and manufacturing processes comply with strict hygiene requirements to ensure product quality and safety.
Installation, maintenance and cleaning:
• Manufacturer’s instructions should be followed during installation to ensure proper connections and sealing.
• Regular maintenance and cleaning ensures proper operation of the valve, prevents contamination and failure, and extends its service life.
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As Professional Manufacturer Of Sanitarty Valves And Pipe Fittings.
A sanitary butterfly valve is a quarter-turn valve used to start, stop, or regulate the flow of hygienic fluids in sanitary processing systems. It consists of a circular disc mounted on a rotating shaft, allowing quick operation with minimal pressure loss. These valves are widely used in food, beverage, dairy, pharmaceutical, and biotechnology industries.
A sanitary butterfly valve operates by rotating the valve disc 90 degrees. When the disc is parallel to the pipeline, the valve is fully open, allowing unrestricted flow. When rotated perpendicular to the pipeline, the valve closes tightly to stop the flow. Intermediate positions enable flow regulation.
Sanitary butterfly valves offer several benefits, including:
1. Compact and lightweight design
2. Fast quarter-turn operation
3. Low pressure drop
4. Cost-effective installation
5. Easy cleaning for hygienic applications
6. Suitable for manual and automated control systems
These advantages make them one of the most popular valve types for sanitary processing lines.
The main difference lies in their valve mechanism. A butterfly valve uses a rotating disc to control flow, while a ball valve uses a rotating ball with a bore. Butterfly valves are generally lighter, more economical, and ideal for larger pipe sizes, whereas ball valves provide tighter shutoff and are often preferred for high-pressure applications.
Sanitary butterfly valves can be operated using different actuator types, including:
1. Manual pull handle
2. Multi-position handle
3. Gear operator
4. Pneumatic actuator
5. Electric actuator
The appropriate actuator depends on the level of automation, operating environment, and process control requirements.
Sanitary butterfly valves are available with several hygienic connection options, including:
1. Tri-Clamp (Tri-Clover)
2. Butt Weld
3. Threaded
4. Flanged (for specific industrial applications)
Tri-Clamp connections are the most widely used because they allow quick installation, easy removal, and efficient cleaning.
Yes. Sanitary butterfly valves are widely integrated into automated production systems using pneumatic or electric actuators. They can be connected with PLC or process control systems to achieve remote operation, automated flow control, and improved production efficiency.
Sanitary butterfly valves are popular because they combine simple construction, reliable sealing, quick operation, and easy cleaning. Their hygienic design minimizes product residue and supports CIP and SIP processes, making them an ideal solution for industries with strict sanitation requirements.
