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Help CenterGB/T Standard Marine Cast Iron Gate Valve With Flanged End, DN50-DN300 PN16
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As a professional manufacturer with ISO9001 certification, Shanghai Zhibang Valve Manufacture Co., Ltd. specializes in providing reliable and durable valve solutions for demanding marine and industrial applications. Our GB/T Standard Marine Cast Iron Gate Valve with Flanged End is engineered to deliver exceptional performance, ensuring secure flow control in critical pipeline systems. With years of expertise and an annual export value reflecting our global reach, we are committed to offering products that combine robust construction with precise functionality.
Our gate valve is designed for on/off service in pipelines, featuring a straightforward operation that provides a tight seal when fully closed. The robust cast iron body ensures longevity and resistance to corrosion, making it suitable for various media including water, oil, gas, and seawater. Key features include:
- Durable Construction: Manufactured from high-quality cast iron for enhanced strength and durability under high-pressure conditions.
- Reliable Sealing: Utilizes a metal wedge design that ensures a bubble-tight seal, minimizing leakage and ensuring system integrity.
- Easy Operation: Equipped with a handwheel for manual operation, allowing for straightforward opening and closing without the need for complex tools.
- Versatile Application: Suitable for a wide range of marine and industrial environments, from shipboard systems to onshore processing plants.
- Standard Compliance: Manufactured in accordance with GB/T standards, ensuring compatibility and reliability in regulated markets.
The valve's technical specifications are detailed in the table below:
| Parameter | Specification |
| Product Type | Gate Valve |
| Body Material | Cast Iron |
| Connection | Flanged End |
| Size Range (DN) | 50, 65, 80, 100, 125, 150, 200, 250, 300 |
| Pressure Rating | PN16 (16 bar) |
| Design Standard | GB/T 12232 |
| Operation | Manual (Handwheel) |
| Seal Type | Metal Wedge |
| Suitable Media | Water, Oil, Gas, Seawater |
| Temperature Range | Up to 200°C (depending on media) |
The advantages of choosing our marine gate valve extend beyond its specifications. Clients benefit from reduced maintenance due to its robust design, leading to lower lifecycle costs. The flanged connection facilitates easy installation and integration into existing piping systems. Furthermore, adherence to GB/T standards ensures product consistency and reliability, which is crucial for marine applications where safety and performance are paramount.
With our established presence in markets across North America, South America, Europe, Asia, Africa, and Oceania, and an annual export value of US$1-1.5 million, Shanghai Zhibang has built a reputation for quality and reliability. Our ISO9001 certification underpins our commitment to consistent manufacturing processes. Served from major ports including Shanghai, Guangzhou, Hong Kong, and Beijing, we ensure timely delivery worldwide. Choosing our GB/T Marine Cast Iron Gate Valve means selecting a product backed by professional manufacturing expertise and a proven track record in global supply. Contact us today to discuss your specific requirements and experience the Zhibang difference in valve performance and service.
Frequently Asked Questions (FAQ)
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What does "GB/T Standard" mean for this valve?
GB/T refers to Chinese National Standards. Valves manufactured to this standard are designed, tested, and produced according to specific technical requirements, ensuring a reliable level of performance, dimensions, and material quality suitable for various applications, including marine use. -
Is this cast iron valve suitable for seawater applications?
Yes, the cast iron used is treated to provide enhanced corrosion resistance, making it suitable for handling seawater and other corrosive media commonly found in marine environments. For highly aggressive conditions, specific material grades can be discussed. -
What is the significance of the PN16 pressure rating?
PN16 indicates a nominal pressure rating of 16 bar. This means the valve is designed to safely operate at pressures up to 16 bar at a reference temperature, making it suitable for a wide range of medium-pressure piping systems. -
Are the flanges standard dimensions?
Yes, the flanged ends are manufactured to standard dimensions (such as those corresponding to GB, ANSI, or JIS standards, depending on order specification) to ensure compatibility with common piping flanges, facilitating straightforward installation. -
Can this valve be operated automatically?
The standard configuration is manual operation via a handwheel. However, the valve can be fitted with an actuator (electric or pneumatic) for automated control systems. This is an optional customization available upon request. -
What is the typical delivery lead time?
Lead times vary based on order quantity and specific size requirements. Generally, for standard sizes within the DN50-DN300 range, we maintain stock for prompt shipment. Exact timelines can be provided upon inquiry. -
Do you provide documentation and certifications with the valves?
Yes, we provide necessary documentation, including material certificates and inspection reports. As an ISO9001 certified manufacturer, our quality control processes are documented and traceable. -
What after-sales support do you offer?
We provide technical support for installation and operation. While the valve is designed for durability, we can supply spare parts such as gland packings and wedges if required, ensuring long-term serviceability.
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