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Help CenterMarine Butterfly Valve for Ballast Water, GB/T3036 Compliant, PN16 Pressure Class
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As a dedicated manufacturer of industrial valves, Shanghai Zhibang Valve Manufacture Co., Ltd. is proud to present our specialized Marine Butterfly Valve for ballast water management. Engineered to meet the rigorous demands of maritime operations, this valve is a critical component for ensuring safe, efficient, and compliant ballast water transfer and treatment. Our commitment to quality, backed by ISO9001 certification and years of manufacturing expertise since 2016, is embedded in every valve we produce. We understand the challenges faced by shipbuilders and shipowners in selecting reliable fluid control solutions, and our PN16 pressure class, GB/T3036 compliant butterfly valve is designed to provide robust performance and long-term durability in corrosive marine environments.
This valve is specifically engineered for ballast water systems, where reliable isolation and control are paramount. Its design focuses on minimizing pressure drop, ensuring smooth operation, and providing a secure, bubble-tight seal to prevent cross-contamination between ballast tanks and the surrounding seawater. The valve's construction prioritizes resistance to saltwater corrosion, biofouling, and the variable pressures encountered during ballasting and deballasting operations. By choosing our marine-grade butterfly valve, you are investing in a component that enhances the safety, operational efficiency, and environmental compliance of your vessel's ballast water management system.
Core Technical Specifications & Design Advantages:
- Robust Pressure Handling: Rated for PN16 pressure class, ensuring reliable performance under the typical operating pressures of marine ballast systems.
- Standard Compliance: Manufactured in full compliance with the GB/T3036 standard for butterfly valves, guaranteeing dimensional accuracy, material integrity, and performance benchmarks.
- Corrosion-Resistant Materials: Available with a variety of body and trim materials suitable for seawater service, including coated cast iron, ductile iron, cast steel, and stainless steel components.
- High-Performance Sealing: Features resilient seats made from EPDM, NBR, or PTFE, providing excellent sealing properties and resistance to seawater, microorganisms, and potential treatment chemicals.
- Versatile Operation: Can be supplied with manual lever handles, gear operators for larger sizes, or automated with electric or pneumatic actuators for integration into centralized control systems.
- Compact & Lightweight Design: The wafer or lug-style design offers a space-saving and weight-efficient solution compared to traditional gate valves, crucial for marine applications.
- Low Maintenance: Simple design with fewer moving parts reduces the need for frequent maintenance and allows for easy in-line servicing if required.
Key Parameters Table:
| Parameter | Specification / Option |
| Design Standard | GB/T3036 |
| Pressure Rating | PN16 (16 bar) |
| Size Range (Nominal Diameter) | DN50 - DN1200 (2" - 48") |
| Connection Type | Wafer, Lug, Double Flange (RF or FF) |
| Body Material | Cast Iron (GG25), Ductile Iron (GGG40), Cast Steel (WCB) |
| Disc Material | Stainless Steel (CF8/304, CF8M/316), Aluminum Bronze |
| Seat Material | EPDM, NBR (Nitrile), PTFE (Teflon) |
| Operating Temperature | -10°C to +120°C (dependent on seat material) |
Benefits for Your Marine Operations:
- Enhanced System Reliability: Reduces the risk of ballast system failure, contributing to vessel stability and safety.
- Operational Efficiency: Quick 90-degree operation allows for faster ballast transfer cycles, saving valuable time in port.
- Compliance Support: The durable, seal-tight design aids in meeting ballast water management convention requirements by preventing unintended discharge.
- Cost-Effective Solution: Offers a favorable balance of initial investment, longevity, and low lifecycle maintenance costs.
- Global Supply Chain Support: With annual export values between US$1-1.5 million and shipments from major ports like Shanghai, Guangzhou, and Hong Kong, we ensure timely delivery to global markets including North America, Europe, Southeast Asia, and beyond.
Shanghai Zhibang's reputation is built on a foundation of consistent quality and reliable supply. Our ISO9001 certified manufacturing processes ensure that every marine butterfly valve meets stringent quality controls. With a proven track record of serving diverse international markets from Oceania to Eastern Europe, our products are trusted in demanding applications worldwide. We invite you to experience the reliability and performance of our GB/T3036 compliant PN16 marine butterfly valves. Contact us today to discuss your specific ballast water system requirements, request detailed technical data sheets, or to obtain a competitive quotation tailored to your project needs.
Frequently Asked Questions (FAQ):
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Q: Is this valve suitable for use with ballast water treatment systems that use chemicals?
A: Yes, the valve can be configured with compatible seat materials like EPDM or PTFE that offer resistance to a range of treatment chemicals. Please specify your chemical exposure details for a precise material recommendation. -
Q: What is the lead time for an order of DN300 valves?
A: Standard sizes typically have shorter lead times. For an accurate delivery schedule, please contact us with your required quantity, material specification, and actuation preference. We ship from multiple ports for efficiency. -
Q: Can you provide valves with electric actuators for remote control?
A: Absolutely. We can supply the valves as manual units or fully assembled with electric, pneumatic, or hydraulic actuators from reputable brands. The actuator specification can be customized based on your control system voltage and torque requirements. -
Q: Does GB/T3036 compliance mean the valve is interchangeable with valves made to other standards like ISO or ANSI?
A: GB/T3036 is a Chinese national standard with dimensions and pressure ratings that are generally compatible with many international standards for wafer and lug butterfly valves. However, for critical flange compatibility, it is advisable to provide your flange standard (e.g., ANSI B16.5, DIN, JIS) for verification. -
Q: What surface protection is applied to cast iron bodies for marine service?
A: Standard protection includes a corrosion-resistant epoxy coating. For extended service life in highly corrosive environments, additional coating systems like high-build epoxy or even rubber lining are available upon request. -
Q: Are spare parts like seals and discs available for long-term maintenance?
A: Yes, as the manufacturer, we maintain an inventory of critical spare parts. We recommend purchasing a maintenance kit with your valve order to ensure future availability and reduce downtime. -
Q: What documentation is provided with the valves?
A: Standard documentation includes a material test certificate, product manual, and packing list. A certificate of compliance with GB/T3036 can be provided. Additional certification requirements can be discussed. -
Q: Do you offer custom modifications, such as special paint colors or extended stems?
A: We have the capability to accommodate certain customizations, including specific paint colors for system identification or extended stem lengths for insulated lines. Please inquire with your specific needs during the quotation process.
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