Your one-stop manufacturer for plastic butterfly valve.

China high quality plastic butterfly valve manufacturer

As a leading plastic butterfly valve manufacturer in China, we produce over one million valves annually, along with countless fittings, in compliance with ISO 9001, DIN, ASTM, CE, and other standards, for the global market.

Our valves offer excellent sealing, chemical resistance, and a service life exceeding 50,000 cycles, making them ideal for water, chemical, and industrial applications.

With advanced CNC machining, 100% pressure testing, and competitive pricing, we are able to provide reliable, high-quality solutions with fast global shipping.

plastic butterfly valves diagram

Advantages of plastic butterfly valves

  • Corrosion resistance – Ideal for handling aggressive chemicals.

  • Lightweight – Easier to transport and install than metal valves.

  • Cost-effective – Lower material and maintenance costs.

  • Quick operation – Simple quarter-turn open/close design.

  • Durability – Long service life in corrosive environments.

  • Low maintenance – Minimal servicing required.

  • Versatile use – Suitable for water, chemicals, and irrigation systems.

  • Non-conductive – Safe for applications where electrical insulation is needed.

Different Types of The Plastic Butterfly Valve

SWDplastic is a manufacturer of plastic valves and fittings. We produce a wide range of plastic butterfly valves to meet the diverse needs of industries such as water treatment, irrigation, chemical processing, and marine applications. Our plastic butterfly valves are designed to operate reliably under varying temperatures, pressures, and media conditions, offering excellent corrosion resistance, lightweight construction, and easy installation.

From PVC and CPVC to PVDF and PPH, each butterfly valve type is engineered to meet specific industry requirements, ensuring durability, corrosion resistance, leak-free operation, and compliance with a range of international standards.

CPVC Butterfly valve

Made from CPVC material, this butterfly valve is lightweight, durable, and resistant to chemicals, ideal for water treatment and industrial applications.

Electrical Butterfly valve

Electrical butterfly valve provides efficient flow regulation with electric actuator, ideal for pipelines requiring automation and low-maintenance operation.

Pneumatic Butterfly valve

Our CPVC pneumatic butterfly valve with air actuator ensures smooth automation, high durability, and cost-effective flow regulation in chemical and water treatment.

Gear Butterfly Valve

Gear butterfly valve features a worm gear operator for easy, reliable flow regulation, ideal for pipelines requiring secure shutoff and long service life.

Handle butterfly valve

Manual PVC handle butterfly valve provides easy operation, tight sealing, and long service life, ideal for water supply, wastewater, and industrial piping.

Flange Butterfly Valve

PVC flange butterfly valve combines strong flange connection, chemical resistance, and lightweight design for efficient flow control in industrial pipelines.

Plastic butterfly valve types suitable for your business

As your trusted supplier of plastic butterfly valves in China, SWDPlastic provides customized solutions to meet diverse industrial needs. We offer a wide range of plastic butterfly valves, engineered for durability, chemical resistance, and smooth flow control. As a leading butterfly valve manufacturer, SWDPlastic ensures each valve meets international standards while delivering reliable performance. Customers can choose plastic butterfly valves based on body design, connection type, and material to suit specific applications.

Classification of plastic butterfly Valves Based on Handle Structure

Select the type you need according to this category

Handle butterfly valve

Handle Butterfly Valve is designed with a durable manual lever handle that allows precise and effortless flow control. The ergonomic handle ensures easy operation without the need for additional tools, making it ideal for quick shutoff or throttling in water supply, irrigation, and industrial piping systems.

With its simple quarter-turn mechanism, the handle provides reliable sealing performance and long service life, offering a cost-effective solution for manual flow regulation.

Gear Butterfly Valve is equipped with a gear-operated mechanism that ensures precise flow control with minimal effort. The handwheel and gear system allow smooth operation, especially for large-diameter pipelines where higher torque is required.

This design provides excellent sealing performance, durability, and easy handling, making gear butterfly valves ideal for water treatment, chemical processing, and industrial fluid systems.

Lug style PVC Handle Butterfly Valve
PVC Industry Gear Butterfly Valve

Custom Plastic Butterfly Valves — Tailored to Your Needs

1.Why Choose Our Customized Plastic Butterfly Valves?

Our customized plastic butterfly valves are designed to meet your specific needs, offering durable, corrosion-resistant materials, reliable leak-free performance, and versatile applications across industries, backed by comprehensive pre- and after-sales support.

2.Customization Options

We offer a wide range of customization options for our plastic butterfly valves to perfectly suit your system:

  • Materials: PVC, CPVC, PPR, PVDF, and more for corrosion resistance and durability.

  • Sizes: DN15–DN200 (1/2″–8″) or customized to your requirements.

  • Connections: Socket, flanged, or other custom connections.

  • Pressure Ratings: PN10, PN16, or higher upon request.

  • Handles: Standard lever, T-handle, or lockable designs for secure operation.

  • Color & Branding: Custom colors and logo printing available.

3.Our Advantages

  • Expert Engineering Support – Professional engineers to guide your valve selection and design.

  • Fast Prototyping – Quickly turn your concept into a functional prototype.

  • Strict Quality Control – 100% pressure testing before delivery.

  • Global Delivery – Export experience in over 50 countries.

4.How to Get Your Custom Valve?

  • Send Your Requirements – Size, material, application, and special features.

  • Design & Quotation – We’ll provide detailed drawings and pricing.

  • Prototype & Testing – Ensure performance meets your needs.

  • Mass Production & Delivery – On-time shipment with global logistics support.

Why SWDPlastic Leads in Quality and Service for Plastic Butterfly Valve

100-new-raw-materials-prepared

Raw material inspection

The quality of raw materials is crucial to the durability and safety of our plastic buttterfly valves. We use only the finest materials, and employ UV aging and pressure testing to ensure that each batch meets industry standards. This rigorous quality control ensures the exceptional durability and reliability of our plastic butterfly valves, solidifying our position as a leading plastic ball valve manufacturer.

Precision machining inspection

Our plastic butterfly valves undergo meticulous precision machining and quality inspection to ensure perfect alignment of the disc, seat, and stem. Each valve is carefully checked for smooth operation, accurate sealing, and consistent pressure resistance, guaranteeing reliable performance and leak-free service in every application.

PVC Butterfly Valve Packaging
performance testing

Performance Testing

The safety, reliability, and durability of our plastic butterfly valves depend on precise sealing and pressure-resistant design tailored to each application. We perform 100% testing according to standards such as ISO 9393 and API 609, including pressure testing at 1.5 times the design pressure and leak testing at 1.1 times the design pressure to ensure zero leakage.

Final Inspection

Final inspection is crucial to ensuring the quality and compliance of each plastic butterfly valve, fostering customer satisfaction and trust. Prior to shipment, we rigorously inspect the valve’s appearance, dimensions, sealing performance, packaging, and labeling. This meticulous attention to detail ensures that each plastic butterfly valve meets the highest quality standards of China’s leading plastic butterfly valve manufacturer.

PVC ball valve leakage test
PVC Butterfly Valve Packaging

Excellent service guarantee

As a leading manufacturer of plastic butterfly valves, we provide comprehensive support services, including pre-sales consultation, production tracking, and after-sales maintenance. Upholding the principles of prioritizing quality and customer satisfaction, our plastic butterfly valves come with a 24-month warranty—double the industry standard. To meet our customers’ urgent requirements, we maintain an inventory of over 20,000 semi-finished components, guaranteeing shipment within 10 days to ensure your projects stay on schedule.

Technological Innovation in Plastic Butterfly Valve

At SWDPlastic, our advantage in the plastic butterfly valve market stems from continuous technological innovation. Leveraging a dedicated R&D team, advanced testing facilities, and more, we continuously push the boundaries of valve performance and functionality.

Elite R&D Team
A team of over 20 experienced engineers, with expertise in polymer science and mechanical design, works together to create breakthrough solutions in butterfly valve technology.

Innovative Features
Over 15 patented design upgrades, including low-torque operation, enhanced sealing technology, and smart integration options for automation systems.

Expanded Applications
Our innovations have expanded the application of plastic butterfly valves to over 10 new industries, from desalination plants to high-precision chemical processing lines.

plastic butterfly valve r&d photos

15+ years of experience as a plastic butterfly valve manufacturer

As a supplier of plastic butterfly valves, SWDPlastic is committed to providing customers with high-quality valve products. Whether you purchase a single butterfly valve or a large order, we can ensure stable product quality and complete delivery in the shortest possible time.

Safety Guarantee

All valves are tested to meet strict safety standards, ensuring reliable performance and leak-free operation.

Customization Service

We offer customized plastic valve sizes, colors, and connection types to meet your unique project requirements.

Fast Delivery

With efficient production and inventory management, we guarantee prompt shipping to meet tight deadlines.

After-Sales Service

Our dedicated support team provides technical assistance, product replacement, and warranty service for your peace of mind.

Customer Satisfaction About Our Plastic Butterfly Valves

Our manufacturing facilities work around the clock to provide customers with plastic valves, pipes, fittings, irrigation accessories and more. And can be customized according to customer preferences. We focus on adhering to scheduled delivery schedules, provide our customers with an efficient production process, and take pride in delivering products on time. Customer satisfaction is our core focus and our mission is to deliver quality products as per the specifications provided by our customers.

Understanding Plastic Butterfly Valves

Valve Body

  • Function: Provides the main housing, supporting the disc and stem while connecting to the pipeline.

  • Design: Usually wafer or lug type, compact and easy to install.

  • Materials: PVC, CPVC, PPR, PP, HDPE, PPH, PVDF for corrosion resistance.

  • Customization: Material options tailored to different chemical and pressure conditions.

Seal

  • Position: Located inside the valve body to ensure tight sealing between the disc and body.

  • Material: Usually made from TPE or TPV for flexibility and durability.

  • Customization: Can be modularly replaced or customized according to the fluid’s corrosiveness.

O-Ring

  • Usage: Used for sealing the handle and the valve stem.
  • Material: Typically crafted from EPDM or NBR.

Branding Cover

  • Location: Sits between the valve stem and handle.
  • Function: Aesthetically pleasing and can be customized with the client’s branding.

Handle

  • Function: Used to manually operate the disc by rotating it for opening or closing the valve.

  • Material: Commonly made from durable ABS or other reinforced plastics.

  • Design: Available in short handle (1/2″–2″) and long handle (2-1/2″–4″), and styles can be adjusted to meet market or customer preferences.

pvc butterfly valve structure diagram

Materials for each part

Specification of Material
No.PartsMaterialNo.PartsMaterial
1BodyUPVC9Bolt CoverABS/PVC
2SeatEPDM10HandleABS/PVC
3DiscU-PVC/CPVC11SpringSS304
4O-RingEPDM12LeverABS/PVC
5StemSteel /304/31613PinSteel
6Locking BlockPVC14BoltSteel
7Indicator PleatABS/PVC15Mark CapABS/PVC
8BoltSteel

Specifications and dimensions

plastic butterfly valves size

About these parts

After a long period of use, there will definitely be some problems with the plastic butterfly valve.If some parts inside the butterfly valve are broken, how to repair it?

What is the use of plastic butterfly valve?

As a renowned valve manufacturer in China,SWDPlastic customizes plastic butterfly valves for various industries.They have excellent temperature resistance, pressure resistance and advanced anti-corrosion design, meeting your strict requirements for various harsh industrial environments.

The lowest cost strategy is to choose reliable SWDPlastic valves

We have an experienced team specializing in the research, development and manufacturing of plastic butterfly valves, providing professional technical support and efficient one-stop fluid control solutions to customers around the world.

What is the plastic butterfly valve?

A plastic butterfly valve is a quarter-turn valve used to regulate or isolate the flow of liquids in piping systems. It is widely applied in water treatment, chemical processing, and industrial applications due to its lightweight structure and corrosion resistance.

The valve operates with a disc mounted on a central stem. By turning the handle 90°, the disc rotates to either align with the flow for full passage or turn perpendicular to restrict or stop the flow. This design allows for quick operation and low-pressure drop.

Plastic butterfly valves are available in materials such as PVC, CPVC, PPR, PP, HDPE, PPH, and PVDF. They can be connected with wafer or lug styles, making them adaptable for different installation needs.

Our Factory

Located in a modern industrial zone, our factory specializes in the production of high-quality plastic valves and related fluid control products.

With advanced manufacturing equipment, automated production lines, and a strict quality control system, we ensure every product meets international standards and delivers exceptional durability.

Our experienced engineering team not only focuses on precision manufacturing, but also provides customized solutions tailored to specific application needs. From material selection to final assembly, every step is carried out under rigorous supervision to guarantee performance, reliability, and safety.

high inventory levels factory

High inventory levels

We maintain a strong stock of standard plastic ball valves to ensure fast order fulfillment and on-time delivery. This allows us to respond quickly to urgent demands and support customers with stable, continuous supply.

Our factory has complete production equipment

Equipped with advanced molding machines, precision CNC equipment, and automated assembly lines, our factory ensures high-efficiency production and consistent product quality. From raw material processing to final inspection, every step is carried out in-house to guarantee reliable plastic ball valves that meet international standards.

production equipment
ppr raw material

Adequate raw materials for products

Our factory has sufficient raw materials for products. Even if there is no inventory, we can rely on automated equipment to achieve rapid production in a short time to ensure on-time delivery.

SWDPlastic plastic butterfly valve manufacturer has excellent after-sales service

Our plastic butterfly valves are backed by a two-year warranty, ensuring reliable performance and peace of mind. We offer free samples to qualified customers, allowing you to try them before you buy and help you evaluate our product quality firsthand. In addition to our high-quality products, SWDPlastic offers comprehensive after-sales support, including technical assistance, installation guidance, and 24/7 customer service to promptly resolve any issues. Our goal is to provide durable valves and exceptional service to our customers worldwide.

In addition to plastic butterfly valves, other products you may also be interested in

Plastic Check valve

Plastic Ball Valve

Plastic Foot Valve

Plastic Pipe Fittings

FAQ

What's your price?
According to the different products, materials, sizes, and even MOQ, our prices are different. Anyway, our price is very competitive. Please contact me if you want to get the latest price list.
Of course, we accept OEM. We customize customer-specific logos through engraving trademarks and laser printing trademarks. We also provide product customization colors, color box packaging, color box design, packaging design, pallet services, and product material formulas according to customer needs. The product material formula can also be changed according to different usage requirements.
Every year, our company develops new molds based on market need, and we are also eager to collaborate with customers to produce new products. Customers who have specific needs can offer samples and market research data for us to assess. We shall determine whether or not to proceed. The general product development cycle lasts 4-6 months.

Usually, our MOQ for valves and fittings is 10 boxes. If a customized trademark is required, additional negotiation is required. For pipes, it depends on the material. Please contact us via email for specific minimum order quantities.

We can provide product certificates and various certificates of origin to help you quickly clear customs and apply for tariff preferences.

We provide custom solutions designed to meet your unique requirements. Valve and fittings can be customized with exclusive logo, color and packaging. Usually we have two ways to customize valves and pipe fittings: through laser or mold inserts. If the quantity is large, we use the mold form, if the quantity is small, we use the laser method.
For specific quantities please contact us via email for details.

The delivery time for orders is contingent on the quantity requested and current inventory levels. Standard delivery is typically completed within 30 working days, with some products potentially being delivered even more quickly.

We provide express, air, sea to port, door-to-door services. We cooperate with professional freight forwarding companies to provide expert services. For large quantity orders, sea shipping is the best choice. You just need to tell me the products, quantity and location you need, and we will provide you with a professional transportation solution.

We provide global shipping for our pipe system accessories, with Ningbo Port serving as our default shipping port. For details regarding shipping to your particular location, please consult with our shipping department.

We accept multiple payment methods such as bank transfer, credit card and letter of credit. Please contact our sales staff to learn more about the best options for your business.

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We'd like to work with you

Send us a message if you have any questions or request a quote. Our experts will give you a reply within 24 hours and help you select the right valve you want.

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The ULTIMATE Guide to plastic valves pipe fittings in China 2026

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