What is butterfly valve

What is butterfly valve

Butterfly valves represent a fundamental component in fluid control systems, renowned for their versatility, efficiency, and reliability.  Structurally, they comprise a circular disc or vane mounted on a central axis within the pipeline.  The pivotal characteristic of butterfly valves lies in their quarter-turn operation mechanism, facilitating quick and precise regulation of fluid flow. When the disc aligns parallel to the direction of flow, the valve opens fully, enabling unimpeded passage of fluids.  Conversely, rotating the disc to a perpendicular position halts the flow entirely, offering complete shut-off capability.  This swift transition from fully open to fully closed positions is a hallmark feature, distinguishing butterfly valves as rapid-response solutions in fluid control applications.

Beyond their operational agility, butterfly valves boast a simplistic yet robust design, characterized by a compact body and minimal internal components.  Such simplicity not only streamlines manufacturing and installation processes but also enhances reliability by minimizing potential points of failure. Butterfly valves find extensive utility across diverse industries, including water treatment, HVAC systems, chemical processing, and more.  Their ability to accommodate a wide range of flow rates and pressures renders them suitable for various applications, from low-pressure water distribution to high-pressure industrial processes.

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Why Choose Nanyi?

Chinese cpvc industrial pipe manufacturing factory

With over 17 years of experience in the industry, Nanyi stands as a seasoned factory, specializing in industrial piping solutions. Nanyi is committed to delivering high-quality products at the best price,such as butterfly valve、ball valve、electric valve、pneumatic valve、blind flange.

Chinese upvc industrial pipe quality exporter

As a trusted exporter from China, Nanyi prioritizes quality in every aspect of our operations.From production to delivery, we adhere to strict standards and certifications, ensuring that our products meet international quality requirements and standards, making us a preferred choice for global customers.

Customized pipe fittings at Affordable Prices

At Nanyi, we understand the importance of flexibility and affordability. That's why we offer customized pricing options to meet the specific needs and budgets of our customers. Whether it's a large-scale project or a bespoke requirement, we work closely with our clients to provide cost-effective solutions without compromising on quality.

Guaranteed Quality and After-Sales Support

Our commitment to quality extends beyond the production process.We offer a one-year warranty on our pipe materials and implement three guarantees in case of any quality issues. Additionally, our dedicated service team ensures timely responses and quick resolutions to any concerns or inquiries, providing peace of mind to our customers throughout their experience with Nanyi.

about Nanyi

We Have The Best Solutions for Your Business

Founded in 2007, Shaanxi Nanyi Pipe Industry Co., Ltd. stands as a prominent factory and manufacturer in China, specializing in the research, development, production, sales, and service of CPVC, UPVC, FRP/UPVC, and FRP/CPVC industrial pipelines.  As a leading exporter and manufacturer in China, Nanyi is committed to delivering high-quality products at the best price, ensuring that customers receive exceptional value and reliable performance for all their industrial piping needs.  Nanyi has obtained certifications such as ISO 9001, ISO 14001, and ISO 45001.   Nanyi boasts more than 50 independent intellectual property rights and holds the authority for self-supported import and export of both invention and utility models.
The product range of Nanyi includes UPVC industrial pipes, CPVC industrial pipes, butterfly valves, ball valves, electric valves, pneumatic valves, blind flanges, and pipe fittings.  These products come in various specifications to cater to different industries, including chemical, metallurgy, water treatment, semiconductor, food, nuclear electric power, and medicine.  Through its dedication to customer satisfaction and continuous improvement, Nanyi has established a strong presence both domestically and internationally.     Its products are exported to Europe, America, Southeast Asia, and other regions, garnering praise and loyalty from customers worldwide.

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Exploring the Versatility of Butterfly Valves from Nanyi


As a reputable butterfly valve manufacturer based in China, Nanyi is proud to offer a wide range of high-quality butterfly valves to meet the diverse needs of our customers worldwide.  With a focus on innovation, reliability, and affordability, we strive to provide cutting-edge solutions for fluid control applications across various industries.

Our extensive product lineup includes motorised butterfly valves and pneumatic actuated butterfly valves, designed to deliver precise flow control and enhanced operational efficiency.  Whether you require a standard off-the-shelf solution or a custom-made butterfly valve tailored to your specific requirements, Nanyi has you covered.

As an OEM and ODM butterfly valve supplier, we have the capabilities to manufacture products according to your unique specifications and branding preferences.  Our state-of-the-art butterfly valve factory is equipped with advanced production facilities and a skilled workforce, ensuring exceptional quality and timely delivery of every order.

At Nanyi, we understand the importance of offering competitive pricing without compromising on quality.  Our butterfly valves are available at affordable prices, making them accessible to customers of all budgets.  With a commitment to customer satisfaction, we strive to provide the best price and value for your investment.

With a reputation for excellence and reliability, Nanyi has emerged as a trusted butterfly valve seller and exporter in the global market.  Our products are renowned for their high quality, durability, and performance, making them the preferred choice for discerning customers worldwide.

Whether you are looking for a modern butterfly valve for your industrial facility or a fashion-forward design for architectural applications, Nanyi has the perfect solution for you.  Our diverse product range caters to a wide range of applications, ensuring that you find the ideal butterfly valve for your needs.

In addition to our standard product offerings, Nanyi also provides butterfly valve supply and agency services to support our global network of distributors and partners.  With our comprehensive support and expertise, you can trust Nanyi to be your preferred butterfly valve supplier for all your fluid control needs.

Experience the difference with Nanyi butterfly valves – where quality meets affordability.  Contact us today to learn more about our products and services, and discover why we are the preferred choice for butterfly valve production worldwide.

Featured Products

Collection about Nanyi

CPVC Pressure pipes

CPVC Pressure pipes are high-performance pipes made from chlorinated polyvinyl chloride, designed for transporting fluids under high pressure and temperature conditions in industrial and residential applications.

UPVC Pressure pipes

UPVC Pressure pipes are durable piping solutions made from unplasticized polyvinyl chloride, commonly utilized for conveying fluids under pressure in various industrial and residential settings.

Pneumatic butterfly valve

The Pneumatic Butterfly Valve is a valve operated by pneumatic actuation, commonly used to control the flow of fluids in industrial processes, offering efficient and reliable performance.

Blind flange

The Blind Flange is a solid disc-shaped fitting with no bore, used to close off the end of a piping system or vessel, ensuring a secure seal to prevent leakage in industrial applications.

User Reviews

What users say about Nanyi

This manufacturer stands out for their comprehensive range of UPVC and CPVC industrial pipes, which we have found to be of superior quality compared to other suppliers. Their dedication to quality control and innovation sets them apart as a trusted partner in the industry.

Giovanni Rossi

We have been highly satisfied with the prompt and efficient service provided by this manufacturer. Their team is responsive, knowledgeable, and dedicated to meeting our needs, ensuring a smooth procurement process from order placement to delivery.

Carlos Santos

As a supplier of electric and pneumatic valves, this manufacturer has exceeded our expectations with their high-quality products and competitive pricing. Their valves have proven to be durable and efficient, contributing to the smooth operation of our systems.

Ahmed Khan

The pipe fittings offered by this manufacturer are of exceptional quality and precision. From couplings to elbows and tees, each fitting is meticulously crafted to ensure a perfect fit and reliable performance, contributing to the overall integrity of our piping systems.

Maria Gonzalez
Frequently Asked Question

Do you have any question?

Butterfly valves offer rapid quarter-turn operation, minimal pressure drop, and compact design, distinguishing them as efficient, versatile, and cost-effective solutions in fluid control applications.

Factors such as flow rate, pressure rating, fluid compatibility, operating environment, and installation requirements should be carefully evaluated to ensure the proper selection of butterfly valves tailored to the application's needs.

Butterfly valves offer secure shut-off capabilities, minimal leakage potential, and robust construction, enhancing system safety and reliability by preventing fluid loss and ensuring uninterrupted operation in critical applications.

Routine inspection for wear, corrosion, and proper sealing integrity is essential. Lubrication of moving parts and periodic cleaning are recommended to ensure optimal performance and longevity of butterfly valves.

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Nanyi: Your Trusted Provider of Industrial Piping Solutions

I am the manufacturer Nanyi, specializing in a diverse range of industrial products including UPVC industrial pipes, CPVC industrial pipes, butterfly valves, ball valves, electric valves, pneumatic valves, blind flanges, and pipe fittings.

Nanyi: Your Customized Industrial Piping Solutions Provider

At Nanyi, we understand that every project has unique requirements. That's why we offer customized solutions to meet the specific needs of our customers. Whether you need a particular size, material, or specification, we can tailor our products to suit your needs.

Nanyi: Your Trusted Factory for Industrial Pipeline Solutions

At Nanyi, we understand that every project has unique requirements. That's why we offer customized solutions to meet the specific needs of our customers. Whether you need a particular size, material, or specification, we can tailor our products to suit your needs.

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