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Sanying Fluid Equipment Co., Ltd. : Your Professional Sanitary Butterfly Valve Manufacturer!

 

Sanying Fluid Equipment Co., Ltd. was established in 2010, strategically situated in Wenzhou, China. Our factory dedicated to delivering exceptional valve and pipe solutions with precision and excellence. We are a leading manufacturing and trading combo for sanitary valves, pipe and tank fittings more than 10 years.

 

 
 

Why choose us?

Advanced equipment

Our company specializes in manufacturing high-precision valves and pipeline components for pharmaceutical machinery equipment. The facility features a well-organized layout with dedicated sections for raw material storage, coil processing, CNC machining, precision polishing, professional assembly, and standardized shipping.

Quality control

Each workshop maintains a clean and orderly environment, supported by streamlined processes and close teamwork to ensure strict quality control from raw materials to finished products. We are committed to delivering reliable and efficient solutions that meet industry standards.

Sales market

Our high-standard valves and fittings have been widely adopted across global markets, including Russia, India, Indonesia, Europe, Thailand, South Korea, and Singapore, earning consistent positive feedback for product quality, reliability, and service.

 

Clamped Manual Sanitary Butterfly Valve

 

Benefits of Sanitary Butterfly Valve

Hygiene: A top priority
The primary advantage of using a sanitary butterfly valve is its ability to maintain high hygiene standards. Constructed from stainless steel 316L, these valves offer exceptional resistance to corrosion and contamination. This material choice ensures that the valve does not react with the products it controls, thus preventing any potential contamination.

 

Speed: Efficiency in operations
Another significant benefit of sanitary butterfly valves is the speed at which they can operate. These valves provide quick and easy control over the flow of liquids, allowing for faster processing times. This efficiency is particularly beneficial in high-demand industries where time is of the essence.

 

Cleanability: Simplifying maintenance
One of the standout features of sanitary butterfly valves is their ease of cleaning. The design of these valves allows for quick disassembly, making them easy to clean and maintain. This feature is crucial in maintaining the sanitization of equipment and ensuring that there is no residue buildup that could affect product quality.

 

Product Specifications

 

Parameter Item

English Description

Unique Advantage

Nominal Diameter

DN10-DN150 (custom special specifications available)

Supports non-standard diameter customization, minimum DN10

Nominal Pressure

1-10 Bar

Customizable PN15 high-pressure model for high-pressure sterilization scenarios

Body Material

304 stainless steel, 316L stainless steel

Medical-grade material with solution treatment for stronger corrosion resistance

Seal Material

Silicone rubber (Si), EPDM, Fluororubber (FKM)

Imported composite rubber, 50% longer anti-aging service life

Working Temperature

-20℃-120℃ (Silicone), -20℃-150℃ (EPDM), -20℃-200℃ (FKM)

Wide temperature adaptation, maximum temperature resistance 200℃

Connection Method

Quick-install type, flange type, welding type

Quick-install type adopts food-grade clamp for easier disassembly

Operation Method

Electric (servo control), manual (handle/turbine), pneumatic (double-acting/single-acting)

±0.5% regulation accuracy, 80,000h service life, supports MODBUS/PROFINET, IP67 protection

Executive Standard

3A, FDA, EHEDG, GB/T 13927-2008

Including GMP certifications, unique traceability code

 

Application of Sanitary Butterfly Valve
 

Water treatment
Sanitary butterfly valves are preferred over gate valves for water treatment due to sanitary butterfly valve’s lightweight, ease of manipulation, and low pressure drop. The most common form of sanitary butterfly valve used by water treatment are double eccentric butterfly valves due to their ability to provide a tight and secure shut off.

 

Food and beverage
The food and beverage industry relies on the accuracy, strength, endurance, and precision control offered by sanitary butterfly valves. As any chef will tell you, control of the distribution of ingredients is an essential part of producing a good product. The ease of manipulating makes sanitary butterfly valves the perfect tool for ensuring high quality products. The smooth even surface provided by stainless steel makes sanitary butterfly valves easy to clean and maintain. Regulating flow, preventing backflow, and isolation are essential and crucial features required for food and beverage processing. The long list of products that require a hygienic environment rely on sanitary butterfly valves and their clean sanitary surfaces.

 

Powder
Powder sanitary butterfly valves covers special aspects of the food industry, which includes products like organic infant formulas, organic follow on milk, organic milk, organic cereals, allergenic formulas, milk free infant formulas, dietetic baby food, probiotics, and polyunsaturated fatty acids. These particular food products require exceptional accuracy in production and packaging. Industries that produce these products place themselves between the dairy industry and pharmaceutical products. They pay special attention to the selection of components that meet the highest sanitary standards.

 

Pharmaceuticals
As with the food and beverage industry, sanitary butterfly valves for the pharmaceutical industry are used to regulate flow, prevent backflow, and isolation. For the pharmaceutical industry, sanitary butterfly valves are popular due to their low maintenance requirements and exceptionally tight shut off. The smooth stainless steel surface makes them easy to clean and ensure a sterile environment. The main use of sanitary butterfly valves is for the production of vaccines and other forms of medicines.

 

Our Certificate

 

productcate-1-1

 

Packaging and shipping

 

 

productcate-716-385

 

FAQ

Q: How does a sanitary butterfly valve work?

A: The valve operates via a handle or actuator that rotates a central disc ("butterfly") positioned within the pipe. Turning the disc 90 degrees changes its position from parallel to the flow (open) to perpendicular to the flow (closed), effectively starting, stopping, or regulating the media.

Q: Why are they considered "sanitary" if the disc is always in the flow path?

A: They are made from corrosion-resistant, high-grade stainless steel (like 304 or 316L) and use FDA-approved elastomers for seals. While the disc is always in the flow, their design uses smooth, crevice-free internal surfaces to facilitate cleaning-in-place (CIP) processes, though they may require disassembly for thorough cleaning in some ultra-strict applications.

Q: What materials are typically used for construction?

A: Bodies are generally made of 304 or 316L stainless steel for rust resistance and durability. The seals (seats) are usually made of EPDM, Viton, or Silicone, which must comply with FDA food-grade standards.

Q: Can these valves be used for flow control or throttling?

A: Yes, while often used for simple on/off control, the handle mechanisms frequently allow for intermediate positioning (e.g., in 15-degree increments) to provide basic flow regulation or throttling capabilities.

Q: Is it possible to automate a sanitary butterfly valve?

A: Yes, manual handles can be replaced with pneumatic or electric actuators for automated operation, allowing for integration with plant control systems (PLCs) in high-throughput production environments.

We're well-known as one of the most professional sanitary butterfly valve manufacturers and suppliers in China for over 15 years. If you're going to buy high quality sanitary butterfly valve made in China, welcome to get pricelist and quotation from our factory. We also accept customized orders.

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