Marine Center Pivoted Manual Butterfly Valve

About product

The marine center pivoted manual butterfly valve serves as a crucial component within marine pipe systems, enabling the adjustment of flow rates and the opening and closing of pipes. This marine valve‘s simple yet efficient structure effectively fulfills its role.

Designed to cater to a range of mediums, including seawater, fresh water, air, and crude/refined oil (with temperatures up to 70℃), this manual butterfly valve exhibits versatility and adaptability to various marine environments.

Center Manual Butterfly Valve Drawing

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Additional information


GB/T3036-1994 Type B/BS

Applicable Medium

sea water, fresh water, air, crude/refined oil (t≤70℃)

Connection Type

Wafer, Lug, Flange

Model Type

B Type

Product Detail

Manual Butterfly Valve From Zava Marine – Best Butterfly Valve Manufacturer

Zava Marine takes pride in being recognized as a leading butterfly valve manufacturer of manual valves, renowned for our exceptional quality and performance. Our manual butterfly valve is meticulously designed and crafted to meet the highest industry standards, making them an excellent choice for various marine applications.

At Zava Marine, we offer manual valve that provides precise flow control, allowing for easy adjustment and reliable operation. With our robust construction and superior materials, our manual valve is built to withstand the demanding conditions of marine environments.

Our commitment to excellence is reflected in the selection of top-notch materials for our butterfly valves. Each component is carefully chosen to ensure durability and longevity. From the sturdy body made of materials such as Cast Iron, Ductile Iron, or Cast Steel to the corrosion-resistant Stainless Steel disc and stem, we prioritize quality in every aspect of our butterfly valves.

Butterfly Valve Components – Center Pivoted Manual Valve

The Center Pivoted Manual Butterfly Valve is a versatile marine valve suitable for marine and industrial applications. It is designed with various main materials for different components:

The valve body can be constructed with Cast Iron, Ductile Iron, Cast Steel, or Bronze, providing strength and durability. The disc options include Ductile Iron or Cast Steel with galvanization, Stainless Steel, or Bronze, offering corrosion resistance and reliable performance.

The pin is made of Stainless Steel, ensuring strength and longevity. The manual valve seat is available in different materials such as NBR, EPDM, CR, FKM, VITON, or PTFE, allowing for compatibility with various media and ensuring effective sealing.

The stem is constructed with Stainless Steel, providing reliability and corrosion resistance. The marine valve design follows the GB/T3036-1994 Type B/BS design standard, meeting industry specifications. It undergoes testing according to the GB600 test standard to ensure quality assurance and reliable performance.

Marine Center Pivoted Screw Drive Manual Butterfly Valve Parameter

Nomial Pressure/mpaNominal Diameter/mmStructure&Flange DimensionHole Of Nut


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.

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Zava Marine