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GB/T3036 Stainless Steel Disc Butterfly Valve for Shipbuilding and Marine Applications
Product Spotlights
Marine-grade stainless steel butterfly valve compliant with GB/T3036, offering exceptional corrosion resistance for seawater and harsh marine environments. Features a compact, durable design with reliable sealing (EPDM/PTFE seats), versatile operation (manual/actuated), and easy maintenance. Ideal for shipbuilding ballast, cooling, and fuel systems, ensuring long service life, safety, and cost-effective performance. Backed by ISO9001 manufacturing and global export expertise.
Negotiable
MOQ: 1 Unit (Price negotiable depending on order volume and customization)
Key Specifications
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Standard:
GB/T 3036
Application:
Other, Shipbuilding
Material:
Stainless Steel (e.g., 304, 316)
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
Delivery time depends on order quantity.
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Standard
GB/T 3036
Application
Other, Shipbuilding
Material
Stainless Steel (e.g., 304, 316)
Connection Type
Wafer, Lug, Flanged
Seat Material
EPDM, PTFE, NBR
Disc Design
Eccentric, Double Eccentric
Operating Temperature
-20°C to 150°C (depending on seat)
Pressure Rating
PN10, PN16, PN25
Operation
Manual Lever, Gear, Electric Actuator
Size Range
DN50 to DN600 (2“ to 24“)
As a leading manufacturer with ISO9001 certification, Shanghai Zhibang Valve Manufacture Co., Ltd. is proud to present our specialized GB/T3036 Stainless Steel Disc Butterfly Valve, engineered specifically for the demanding environments of shipbuilding and marine applications. Since our establishment in 2016, we have dedicated ourselves to producing high-performance fluid control solutions that meet rigorous international standards. This valve is a testament to our commitment to quality, durability, and reliability, offering shipbuilders and marine engineers a robust and corrosion-resistant solution for critical piping systems. Our annual export value of US$1-1.5 million underscores our global reach and the trust placed in our products across continents.
Designed to withstand the harsh conditions of seawater, high humidity, and variable pressures, this butterfly valve ensures long-term, leak-free operation. Its compact design and efficient flow control make it an ideal choice for ballast systems, cooling water lines, fuel oil services, and fire-fighting systems on various vessels and offshore structures.
Key Features & Technical Advantages:
- Superior Corrosion Resistance: Constructed from high-grade stainless steel (typically 304 or 316), the valve body and disc offer exceptional resistance to saltwater corrosion, pitting, and crevice corrosion, ensuring a prolonged service life in marine environments.
- Robust & Compact Design: The wafer or lug-type design provides a lightweight yet strong construction, saving space and weight on board—a critical factor in shipbuilding.
- Reliable Sealing Performance: Equipped with high-quality elastomer seats (EPDM, NBR) or PTFE seats, the valve ensures a bubble-tight shut-off even after numerous cycles, minimizing fluid loss and environmental risk.
- Efficient Flow Control: The disc design minimizes turbulence and pressure drop when fully open, allowing for efficient fluid transfer and reduced pumping energy costs.
- Versatile Operation: Available with manual lever, gearbox, or electric/pneumatic actuator options for remote or automated control, integrating seamlessly into modern ship automation systems.
- Easy Installation & Maintenance: The simple design allows for quick installation between pipe flanges, and the resilient seat enables easy in-line maintenance without removing the valve body.
Technical Specifications Table:
| Parameter | Specification |
| Product Standard | GB/T 3036 |
| Body & Disc Material | Stainless Steel 304 / 316 / Other grades available |
| Seat Material | EPDM, NBR, PTFE (Select based on media & temperature) |
| Pressure Rating | PN10, PN16, PN25 (Standard) |
| Temperature Range | -20°C to +150°C (EPDM/NBR); Up to 200°C (PTFE) |
| Connection Type | Wafer, Lug, Double Flange |
| Size Range (DN) | 50, 65, 80, 100, 125, 150, 200, 250, 300, 350, 400, 450, 500, 600 |
| Operation | Manual Lever, Worm Gear, Electric/Pneumatic Actuator |
Benefits for Your Marine Projects:
- Enhanced System Reliability: Reduces the risk of unexpected failures in critical ship systems, contributing to overall vessel safety and operational uptime.
- Lower Lifetime Cost: The durability and low maintenance requirements lead to significant savings on repairs and replacements over the valve's lifespan.
- Compliance & Safety: Manufactured in compliance with GB/T 3036, it meets common specifications for marine valves, aiding in regulatory compliance for ship classification societies.
- Global Supply Support: With major shipment ports in Shanghai, Guangzhou, Hong Kong, and Beijing, we ensure timely delivery to shipyards and marine service providers worldwide.
Trust in a product backed by a manufacturer with a proven track record. Shanghai Zhibang Valve's ISO9001 quality management system ensures every GB/T3036 Stainless Steel Butterfly Valve undergoes stringent testing before shipment. Our valves are trusted by clients across North and South America, Europe, Asia, Africa, and Oceania, demonstrating their global suitability and performance. For your next shipbuilding, offshore platform, or port facility project, choose a valve that combines marine-grade materials, precise engineering, and reliable supply. Contact us today for a quotation, detailed technical data sheets, or to discuss custom requirements for your specific application.
Frequently Asked Questions (FAQ):
-
Q: What is the main advantage of using a stainless steel butterfly valve for marine applications?
A: The primary advantage is superior corrosion resistance against saltwater and marine atmospheres. Stainless steel, especially grades like 316, contains molybdenum, which significantly enhances its resistance to pitting and crevice corrosion, common in chloride-rich environments, ensuring longer service life and reliability. -
Q: Can this valve be used for both seawater and freshwater systems on a ship?
A: Absolutely. While its corrosion-resistant properties are crucial for seawater systems (ballast, cooling), it is equally effective and durable for freshwater, fuel, lubricating oil, and other onboard fluid services, offering versatile application across the vessel. -
Q: How does the GB/T 3036 standard relate to other international standards like ISO or ANSI?
A: GB/T 3036 is a Chinese national standard for metal-seated butterfly valves. Its dimensions, pressure ratings, and testing requirements are generally compatible with common international practices. For specific project requirements referencing ISO or ANSI, confirmations can be provided, and valves can often be manufactured to meet those specifications upon request. -
Q: What seat material is recommended for high-temperature applications on ships, like engine exhaust gas scrubber systems?
A: For elevated temperatures, PTFE (Teflon) or metal-seated designs are recommended. PTFE can handle temperatures up to 200°C with excellent chemical resistance. For temperatures beyond that, specialized high-performance polymers or metal-seated valves should be considered. -
Q: Is the valve suitable for frequent operation or throttling control?
A: Yes. The design, particularly with eccentric discs, reduces seat wear. When paired with a gear operator or actuator, it allows for precise flow modulation, making it suitable for applications requiring frequent adjustment or throttling control. -
Q: Do you provide valves with actuators for automated control systems?
A: Yes. We offer a range of actuation solutions, including electric and pneumatic actuators, which can be pre-assembled and tested at our factory. This provides a complete, ready-to-install package for integration into your ship's automation or remote control system. -
Q: What is the typical delivery lead time for an order?
A: Lead time depends on the order quantity, size, and configuration. Standard sizes and materials often have shorter lead times. We leverage our efficient manufacturing processes and multiple export ports to ensure competitive delivery schedules. Specific timelines can be provided upon inquiry. -
Q: Can you provide documentation for classification society approval?
A: We can provide standard material certificates, test reports (like pressure tests), and our ISO9001 certificate. For specific approval from classification societies (like ABS, DNV, LR, etc.), requirements should be specified in advance so we can prepare the necessary documentation and potentially arrange for witnessed testing.
Send Inquiry to This Supplier
1Yr
Business Type
Manufacturer
Year Established
2016
Annual Export Value
US$1 Million - US$1.5 Million
Product Certifications
ISO9001
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