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Marine Ballast Water Butterfly Valve for Shipbuilding, GB/T3036, DN50-DN600

Marine Ballast Water Butterfly Valve for Shipbuilding, GB/T3036, DN50-DN600 photo-1
Marine Ballast Water Butterfly Valve for Shipbuilding, GB/T3036, DN50-DN600 photo-2
Marine Ballast Water Butterfly Valve for Shipbuilding, GB/T3036, DN50-DN600 photo-3
Marine Ballast Water Butterfly Valve for Shipbuilding, GB/T3036, DN50-DN600 photo-4
Marine Ballast Water Butterfly Valve for Shipbuilding, GB/T3036, DN50-DN600 photo-5

Product Spotlights

GB/T3036 standard marine butterfly valve for ballast water systems. Sizes DN50-DN600. Features corrosion-resistant materials (cast iron/ductile iron/stainless steel), multiple seal options (EPDM/NBR/PTFE), and various actuation methods (manual/gear/electric/pneumatic). Designed for reliable, leak-proof operation in harsh marine environments, supporting vessel stability and compliance. ISO9001 certified manufacturer with global export experience.
Negotiable MOQ: 1 Unit (Price negotiable depending on order volume and customization)
Key Specifications
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Application:
Other, Marine Ballast Water Systems
Product Standard:
GB/T3036
Valve Size Range:
DN50 to DN600
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
Delivery time depends on order quantity.
Application Other, Marine Ballast Water Systems
Product Standard GB/T3036
Valve Size Range DN50 to DN600
Valve Type Butterfly Valve
Connection Type Flanged
Operation Method Manual, Gear, Electric, Pneumatic
Seat Material EPDM, NBR, PTFE
Disc Material Cast Iron, Ductile Iron, Stainless Steel
Body Material Cast Iron, Ductile Iron, Stainless Steel

As a dedicated manufacturer with a focus on marine and industrial valves, Shanghai Zhibang Valve Manufacture Co., Ltd. proudly presents our high-performance Marine Ballast Water Butterfly Valve. Engineered specifically for the demanding environments of shipbuilding and marine operations, this valve is designed to provide reliable, long-lasting control in ballast water management systems. With our commitment to quality underscored by ISO9001 certification and years of experience serving global markets, we deliver a product that meets stringent industry standards and shipbuilders' exacting requirements. Our valve offers a robust solution for efficient flow regulation, critical for maintaining vessel stability and environmental compliance.

Our Marine Ballast Water Butterfly Valve is built to withstand the corrosive marine atmosphere and the variable pressures of ballast operations. Its design prioritizes ease of operation, minimal maintenance, and a tight seal to prevent leakage, which is paramount for both operational safety and environmental protection. The valve's construction ensures it can handle the frequent cycling and abrasive nature of ballast water, which often contains sediments and microorganisms.

Key Features and Technical Advantages:

  • Compliant Design: Manufactured in accordance with the GB/T3036 standard, ensuring dimensional accuracy, pressure ratings, and material specifications suitable for marine applications.
  • Wide Size Range: Available from DN50 to DN600, providing a comprehensive solution for various piping diameters onboard different classes of vessels, from small boats to large cargo ships and tankers.
  • Superior Sealing Performance: Utilizes high-grade elastomer seats (like EPDM or NBR) or PTFE, offering excellent resistance to seawater, providing a bubble-tight shut-off essential for ballast control.
  • Robust Construction: The disc and body are crafted from materials such as corrosion-resistant cast iron, ductile iron, or stainless steel (316/316L), ensuring durability against saltwater corrosion and mechanical stress.
  • Multiple Actuation Options: Designed to accommodate manual levers, gear operators, electric actuators, or pneumatic actuators, allowing for integration into automated ballast water treatment systems or manual control stations as per the ship's design.
  • Low Torque Operation: The streamlined disc design and precision bearings minimize operational torque, reducing the effort required for manual operation and the size/power requirements for actuators.
  • Bi-directional Flow Capability: Engineered to seal effectively in both flow directions, a crucial feature for ballast systems where flow direction can change during loading and discharging cycles.

Technical Specifications Overview:

Parameter Specification
Product Standard GB/T3036
Nominal Diameter (DN) 50, 65, 80, 100, 125, 150, 200, 250, 300, 350, 400, 450, 500, 600
Pressure Rating (PN) PN10, PN16, PN25 (Common ratings, specific depends on material)
Body Material Cast Iron (WCB), Ductile Iron, Stainless Steel (CF8/CF8M)
Disc Material As per body material or with coated options (Ni-plated, Epoxy coated)
Seat Material EPDM (for fresh/brackish water), NBR, PTFE (for wider chemical compatibility)
Shaft Material Stainless Steel (420/304/316)
Connection Flanged as per JIS, DIN, ANSI, GB standards
Operating Temperature -10°C to +120°C (depending on seat material)
Actuation Lever, Gearbox, Electric Actuator, Pneumatic Actuator (Optional)

Benefits for Shipbuilders and Operators:

  • Enhanced System Reliability: Reduces the risk of ballast system failure, which is critical for vessel trim, stability, and structural integrity.
  • Compliance Support: A reliable valve is a key component in ballast water management systems (BWMS) aiming to meet IMO Ballast Water Management Convention standards by preventing unintended discharge.
  • Reduced Lifecycle Cost: Durable materials and design lower the frequency of replacement and maintenance, minimizing downtime and operational expenses.
  • Operational Efficiency: Smooth, low-torque operation allows for quicker ballast cycles, saving time during port operations.
  • Flexibility in Design: The wide size and actuation options allow naval architects and engineers to specify the perfect valve for their specific system layout and automation level.

Shanghai Zhibang Valve Manufacture Co., Ltd., established in 2016, has rapidly grown into a trusted supplier with an annual export value ranging between US$1 Million and US$1.5 Million. Our products, including this Marine Ballast Water Butterfly Valve, reach critical markets across North and South America, Europe, Asia, Africa, and Oceania, shipped efficiently from major ports like Shanghai, Guangzhou, Hong Kong, and Beijing. This global footprint is a testament to the reliability and acceptance of our valves in diverse marine environments. Our ISO9001 certified quality management system ensures consistent product excellence from raw material inspection to final testing. Choosing our valve means partnering with a manufacturer dedicated to precision, durability, and customer satisfaction. We encourage shipyards, marine equipment distributors, and shipping companies to contact us for detailed quotations, technical data sheets, and to discuss how our valves can be integrated into your next project.

Frequently Asked Questions (FAQ):

  1. Q: Is this butterfly valve suitable for seawater applications?
    A: Absolutely. The valve is specifically designed for marine ballast water, which is primarily seawater. Material options like stainless steel (316/316L) and corrosion-resistant coatings on ductile iron make it highly suitable for resisting saltwater corrosion.
  2. Q: Can you provide valves with different flange standards (e.g., ANSI, JIS, DIN)?
    A: Yes. While compliant with GB/T3036, we can manufacture valves with flanges matching ANSI, JIS, DIN, or other international standards upon request to ensure compatibility with your existing ship piping.
  3. Q: What is the lead time for an order of DN400 valves?
    A: Lead times vary based on order quantity, material selection, and actuation type. Generally, for standard configurations, we maintain a stock for common sizes or can produce within a competitive timeframe. Please inquire with your specific requirements for an accurate schedule.
  4. Q: Do you offer actuated versions for automated ballast systems?
    A: Yes. We can supply the valve fitted with electric or pneumatic actuators from reputable brands or as a complete package. Our technical team can help select the appropriate actuator based on your system's torque, speed, and control signal requirements.
  5. Q: How does the valve ensure a tight seal to prevent ballast water leakage?
    A: The valve employs a precision-machined disc and a resilient seat (like EPDM). When closed, the disc compresses the seat uniformly around its entire circumference, creating a bubble-tight seal capable of withstanding system pressures.
  6. Q: What maintenance does this butterfly valve require?
    A: It is designed for low maintenance. Periodic visual inspection, checking for smooth operation, and ensuring external components are free from corrosion are recommended. The seat may require replacement after extended service cycles, which is a relatively straightforward process.
  7. Q: Are your valves tested before shipment?
    A: Yes. Every valve undergoes rigorous factory testing, which typically includes a shell test (body strength) and a seat leakage test to verify its pressure rating and sealing performance, ensuring it meets specified standards.
  8. Q: Can you provide custom coatings or special material grades?
    A: We offer customization. Special epoxy coatings for enhanced corrosion protection, or specific stainless steel grades for extreme conditions, can be arranged. Please discuss your project's specific needs with our sales engineers.
Product Tags: Marine Butterfly Valve , Ballast Water Control Valve , Shipbuilding Butterfly Valve

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Gold Verified Supplier
1Yr
Verified Business License
Business Type
Manufacturer
Year Established
2016
Annual Export Value
US$1 Million - US$1.5 Million
Product Certifications
ISO9001