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Help CenterMarine Hydraulic Gate Valve, Carbon Steel, 4-20mA Positioner, DN200, PN10, Double Block and Bleed
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As a leading manufacturer with ISO9001 certified quality management, Shanghai Zhibang Valve Manufacture Co., Ltd. specializes in delivering robust and reliable fluid control solutions for demanding marine environments. Our Marine Hydraulic Gate Valve, crafted from durable carbon steel and equipped with a precise 4-20mA positioner, is engineered to provide superior sealing performance and operational control in critical pipeline applications. With features like Double Block and Bleed functionality, this DN200 PN10 valve offers enhanced safety and maintenance capabilities, making it an ideal choice for shipbuilders, offshore operators, and marine system integrators seeking dependable and high-performance valves.
This valve stands out due to its combination of rugged construction and intelligent control. The hydraulic actuation ensures powerful and reliable operation under high-pressure conditions, while the integrated 4-20mA positioner allows for seamless integration into modern automated control systems, providing real-time valve position feedback and precise adjustment.
- Durable Construction: Manufactured from high-grade carbon steel, the valve body and internal components offer excellent resistance to corrosion and mechanical stress, ensuring long service life in harsh marine atmospheres.
- Precision Control: The standard 4-20mA analog signal interface enables remote monitoring and control, facilitating integration with PLCs and SCADA systems for centralized pipeline management.
- Enhanced Safety Feature: The Double Block and Bleed (DBB) design provides two independent sealing barriers and a bleed port. This allows for safe isolation of downstream sections and pressure verification, crucial for maintenance and emergency procedures.
- High Flow Capacity: The DN200 (200mm) nominal diameter supports substantial flow rates, suitable for main pipeline applications on vessels and offshore platforms.
- Reliable Pressure Handling: With a PN10 pressure rating, the valve is designed to withstand significant operational pressures, maintaining integrity and sealing performance.
- Hydraulic Power: Hydraulic actuation delivers high torque for smooth opening and closing of the gate, even against high differential pressures or debris, ensuring reliable shut-off.
- Versatile Application: Specifically designed for marine use, it is suitable for seawater cooling systems, ballast control, fuel oil lines, and other critical onboard and offshore fluid handling systems.
The technical specifications of this valve are detailed below:
| Parameter | Specification |
|---|---|
| Valve Type | Gate Valve |
| Actuation Method | Hydraulic |
| Nominal Diameter (DN) | 200 mm |
| Pressure Rating (PN) | 10 bar |
| Body Material | Carbon Steel |
| Sealing Function | Double Block and Bleed |
| Positioner Signal | 4-20mA |
| Typical Applications | Marine pipelines, offshore systems |
For clients, the benefits are clear: operational reliability reduces downtime, the DBB feature enhances crew safety during maintenance, and the 4-20mA interface lowers integration costs with existing automation. This valve helps streamline system design, improve safety protocols, and ensure consistent performance in challenging marine operations.
Shanghai Zhibang Valve Manufacture Co., Ltd., established in 2016, has built a strong reputation by exporting over US$1 million worth of valves annually to global markets including North America, Europe, Asia, and Africa. Our ISO9001 certification underpins our commitment to consistent quality and reliable performance. With major shipment ports like Shanghai, Guangzhou, and Hong Kong, we ensure efficient logistics to meet your project timelines. Our Marine Hydraulic Gate Valve embodies this expertise, offering a solution that combines durable materials, advanced control, and critical safety features. For your next marine project requiring dependable, high-capacity fluid control with integrated automation, consider this valve as a cornerstone of your system. Contact us for detailed quotations, customization options, or technical support.
FAQ
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What does "Double Block and Bleed" mean for this valve?
Double Block and Bleed (DBB) refers to a valve design that provides two independent sealing surfaces (blocks) and a small bleed port between them. This allows the operator to isolate a section of pipe completely and then vent or monitor the pressure in the isolated space via the bleed port, enhancing safety during maintenance or system isolation. -
Can the 4-20mA positioner be integrated with my existing control system?
Yes. The 4-20mA analog signal is a standard industrial communication protocol. It can typically be directly connected to most PLCs, DCS systems, or analog input modules, allowing for remote valve position monitoring and control. -
Is this valve suitable for other fluids besides water?
While designed for marine applications (often involving seawater), its carbon steel construction and DBB design make it suitable for various fluids, including oils and certain chemicals. The specific fluid compatibility depends on factors like temperature and chemical composition; please consult us for your specific application. -
What is the operational temperature range for this valve?
The standard carbon steel valve is designed for typical marine environment temperatures. The exact range can vary based on the specific seal materials used. For applications with extreme temperatures, customized options may be available upon request. -
How does hydraulic actuation compare to electric or pneumatic actuation?
Hydraulic actuation provides very high torque and force, making it ideal for large valves (like DN200) and high-pressure applications where smooth, powerful operation is required. It is often preferred in marine and offshore settings for its reliability and power. -
Are spare parts and maintenance kits available?
Yes, as a manufacturer, we provide spare parts such as seal kits, gate components, and positioner modules. Maintenance kits and documentation are available to support long-term valve upkeep. -
What is the typical delivery time for this product?
Delivery time depends on order quantity and current production schedule. We have efficient logistics from ports like Shanghai and Guangzhou, which facilitates timely shipment to global destinations. -
Can the valve be customized for different pressure ratings or sizes?
Yes. While this model is specified as DN200 PN10, we offer customization services. Different sizes, pressure ratings (PN16, PN25, etc.), and material grades can be discussed based on your project requirements.
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