Marine Center-Pivoted Pneumatic Butterfly Valve

About product

Marine Center-Pivoted Pneumatic Butterfly Valve is a reliable and efficient solution for controlling liquid flow in marine environments. Whether you need to regulate fluid streams in challenging marine conditions or require remote operation capabilities, this pneumatic butterfly valve is designed to meet your demanding requirements.

Pneumatic Butterfly Valve Drawing

j3vo5b50f2359 (1) 拷贝

Additional information




Q Type


Cast iron or carbon steel

Product Detail

Air Actuated Valve For Sale – Center-Pivoted Pneumatic Butterfly Valve

The Marine Center-Pivoted Pneumatic Butterfly Valve, also known as air actuated butterfly valve,  is a remarkable air actuated valve designed for various applications. Equipped with a pneumatic actuator, this pneumatic butterfly valve allows for automated control, providing convenience and precision in adjusting the valve position and flow rate. Its proficient design and high-quality construction ensure dependable performance, even in harsh marine conditions.

The flange connection dimensions of the pneumatic butterfly valve adhere to industry standards such as GB/T 2501, CB/T 4196, JIS B 2220, JIS B 2239, and JIS B 2240. This ensures compatibility and ease of installation in marine pipelines. Additionally, the valve’s structural length complies with GB/T 12221 and JIS B 2002 specifications for marine center type wafer and flange butterfly valves, further emphasizing its suitability for marine applications.

Engineered specifically for ship pipelines, this air actuated butterfly valve meets the necessary criteria for design, manufacturing, and acceptance of center type butterfly valves in marine environments. With its reliable performance and adherence to industry standards, the Marine Center-Pivoted Pneumatic Butterfly Valve is a trusted choice for marine applications, offering efficient and precise control over air flow in ship pipelines.

Key features of Q Type Air Actuated Butterfly Valve:

  • Compact and lightweight, easy to assemble, disassemble, and maintain. Can be installed in any position.
  • Simple and compact structure, low operating torque, quick 90° rotation for opening.
  • Linear flow characteristic, excellent regulating performance.
  • The connection between the butterfly plate and the air actuated valve stem adopts a pinless structure, eliminating potential internal leakage points.
  • The outer circumference of the butterfly plate is designed with a spherical shape, enhancing sealing performance and extending marine valve lifespan. It maintains zero leakage even after more than 50,000 pressure-cycling operations.
  • The sealing element is replaceable, providing reliable bidirectional sealing.
  • The butterfly plate can be coated with a layer of nylon or polytetrafluoroethylene (PTFE) based on user requirements, further enhancing its performance.

Parameter Of Air Actuated Valve – Q Type Pneumatic Butterfly Valve

TypeNominal Pressure/mpaNominal Pressure/mm
Marine Center-Pivoted Pneumatic Butterfly Valve Q Type1.050
Know Who We Are

About our company

Zava Marine Corporation is a leading supplier of marine parts and components. With a strong focus on quality and customer satisfaction, we specialize in providing a comprehensive range of high-quality marine equipment and accessories. Our products include deck equipment, ship accessories, and various other essential components needed for smooth maritime operations.

With a global presence, we serve a diverse customer base, including shipbuilders, shipowners, offshore operators, and marine equipment distributors. We are committed to providing exceptional service and tailored solutions to meet our customers’ unique needs.


Zava Marine offers a comprehensive range of certifications for marine parts in accordance with international standards and regulations. These certifications include those provided by renowned marine classification societies such as Lloyd’s Register (LR), Bureau Veritas (BV), China Classification Society (CCS), Registro Italiano Navale (RINA), American Bureau of Shipping (ABS), Nippon Kaiji Kyokai (NK), and Det Norske Veritas – Germanischer Lloyd (DNV-GL). By collaborating with these esteemed societies, Zava Marine ensures that our certified marine parts meet the highest standards of safety, quality, and performance, instilling confidence in our reliability and compliance within the maritime industry.

The warranty provided by Zava Marine covers defects in materials and workmanship for a period of two years from the date of purchase. During this warranty period, if any marine parts purchased from Zava Marine exhibit issues or failures resulting from manufacturing defects or faulty materials, Zava Marine will take responsibility for repair or replacement of the affected parts. 

Zava Marine has recently opened new molds for European and North American clients, utilizing materials such as metal, ABS, PVC, and more. These successful mold opening projects allow us to provide customized marine parts and components that meet the specific requirements of our clients in these regions.

Typically, Zava Marine can ship samples within 7 days once the product drawing has been mutually confirmed by both parties. This efficient process ensures that customers can receive samples promptly, allowing them to assess the quality and suitability of the products.

Zava Marine frequently utilizes a wide range of materials in our projects. These materials include aluminum, stainless steel, carbon steel, copper, plastics, titanium, and PEEK (Polyether Ether Ketone). Each material offers unique properties and characteristics suitable for various marine applications. 

Yes, we provide customization services for marine parts. We understand that every project and application may have unique requirements, and we are committed to delivering tailored solutions. By collaborating closely with our clients, we can adapt our products to specific specifications, ensuring optimal fit, performance, and compatibility. Whether it’s modifying existing designs or creating entirely new parts, our customization services cater to the diverse needs of the maritime industry.

Absolutely! We offer product design and development services to support our clients’ needs. Our experienced team of engineers and designers can collaborate with clients from concept development to final product realization. By leveraging our expertise in marine engineering and design, we can provide valuable insights and innovative solutions. Whether it’s optimizing existing designs or creating entirely new products, we are equipped to assist clients in bringing their ideas to life efficiently and effectively.

Let's have a chat

Ask for a quote

Zava Marine