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Help CenterConcentric Electric Butterfly Valve for Marine Applications - GB/T3037-94 Compliant
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As an ISO9001-certified manufacturer established in 2016, Shanghai Zhibang Valve Manufacture Co., Ltd. brings over seven years of expertise in delivering high-performance valves to global markets, with annual exports valued at US$1-1.5 million. Our Concentric Electric Butterfly Valve is engineered specifically for marine applications, combining robust construction with intelligent automation to ensure reliable fluid control in harsh oceanic environments. Compliant with the stringent GB/T3037-94 standard, this valve offers shipbuilders and marine engineers a solution that minimizes downtime while maximizing operational efficiency. With shipments available from key ports like Shanghai and Hong Kong, we provide seamless logistics to customers across North America, Europe, Asia, and beyond.
Key Features and Technical Specifications:
- Electric actuation enables remote operation and integration with automated control systems, reducing manual intervention.
- Concentric disc design ensures bubble-tight sealing with low torque requirements, enhancing energy efficiency.
- Corrosion-resistant materials (optional stainless steel) withstand seawater exposure, extending service life in marine settings.
- Compact and lightweight construction simplifies installation in space-constrained shipboard piping systems.
- Fail-safe options available for critical applications, ensuring system integrity during power outages.
The valve's technical parameters include customizable dimensions to fit various pipeline configurations. Below is a reference table for common specifications:
| Parameter | Typical Range | Notes |
| Nominal Diameter (DN) | 50 - 600 mm | Custom sizes available |
| Pressure Rating | PN10 - PN16 | Suitable for most marine systems |
| Operating Voltage | 24V DC / 110-220V AC | Selectable during order |
| Temperature Range | -20°C to +120°C | Covers typical marine conditions |
Clients benefit from reduced maintenance costs due to the valve's self-lubricating seats and minimal wear components, while the electric drive allows precise flow modulation for fuel and cooling systems. The GB/T3037-94 compliance guarantees compatibility with Chinese and international marine regulations, facilitating smoother certification processes for vessel construction and retrofits.
Trust and Global Reach:
Shanghai Zhibang's valves are trusted in over 14 markets worldwide, from Oceania to Eastern Europe, supported by our ISO9001 quality management system. With annual exports exceeding US$1 million and flexible shipment options from Shanghai, Guangzhou, or Hong Kong, we ensure timely delivery and technical support. This valve embodies our commitment to durability and innovation—contact us today for a customized solution that elevates your marine project's reliability.
Frequently Asked Questions (FAQ):
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Q: What materials are recommended for saltwater applications?
A: Stainless steel (316L) is advised for superior corrosion resistance in seawater environments; this is available as an optional upgrade. -
Q: Can this valve be integrated with existing ship automation systems?
A: Yes, the electric actuator supports standard protocols like Modbus for seamless integration with marine PLCs and control panels. -
Q: How does the concentric design improve performance?
A: It centers the disc perfectly, ensuring even seal contact and reducing torque requirements by up to 30% compared to eccentric designs. -
Q: What is the lead time for custom-sized valves?
A: Typical production is 4-6 weeks, expedited for urgent marine projects upon request. -
Q: Does GB/T3037-94 compliance cover international standards?
A: While specific to Chinese norms, it aligns with equivalent marine valve standards like ISO 5208 for leakage rates. -
Q: Are spare parts readily available?
A: Yes, we maintain global inventory for seals and actuators, with express shipping options from our Shanghai hub. -
Q: What maintenance is required for long-term use?
A: Only periodic visual inspections; the sealed bearings and corrosion-resistant materials minimize upkeep needs. -
Q: Can it handle high-vibration marine environments?
A: Absolutely—the rigid disc construction and reinforced body resist vibration fatigue common in ship engine rooms.
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