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Help CenterPneumatic Actuator Ready Marine Butterfly Valve With Cast Steel Body and PN10 Rating
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As a specialized manufacturer with a strong focus on marine and industrial fluid control solutions, Shanghai Zhibang Valve Manufacture Co., Ltd. is proud to present our Pneumatic Actuator Ready Marine Butterfly Valve. Engineered for reliability in demanding offshore and marine environments, this valve combines a robust cast steel body with a PN10 pressure rating, offering a durable and high-performance solution for critical piping systems. Established in 2016 and backed by ISO9001-certified manufacturing processes, we understand the stringent requirements of the global maritime industry. Our valve is designed not just as a component, but as a cornerstone for efficient, safe, and automated flow control aboard vessels and offshore platforms.
Core Product Features & Technical Advantages:
- Rugged Cast Steel Construction: The valve body is manufactured from high-grade cast steel, providing exceptional strength, corrosion resistance, and longevity against harsh marine conditions, including saltwater exposure.
- Pre-Engineered for Pneumatic Automation: The valve is designed and machined with standardized mounting interfaces, ready for seamless integration with various pneumatic actuators. This allows for remote operation, quick response, and integration into automated control systems, enhancing operational efficiency and safety.
- PN10 Pressure Rating: Rated for a nominal pressure of PN10 (10 bar), this valve is suitable for a wide range of marine applications, including ballast systems, cooling water lines, fuel oil transfer, and general service duties.
- Versatile Disc and Seat Options: The disc is typically made from stainless steel (304 or 316), while the seat is available in various elastomers like EPDM for freshwater, NBR for oils, or Viton for higher temperatures and chemicals. This customization ensures optimal sealing and compatibility with the medium.
- Multiple Connection Configurations: Available in wafer, lug, or double-flanged designs to suit different piping standards and installation requirements, ensuring easy retrofitting and installation.
- Low Torque Operation: The streamlined disc design and precision machining contribute to low operating torque, which reduces the size and cost of the required actuator and ensures smoother operation.
- Bidirectional Sealing: Engineered to provide reliable sealing in both flow directions, a critical feature for many marine system applications where flow reversal can occur.
Detailed Technical Specifications:
| Parameter | Specification / Option |
| Body Material | Cast Steel (WCB, LCB, etc.) |
| Disc Material | Stainless Steel 304 / 316 |
| Seat Material | EPDM, NBR, Viton, PTFE (Optional) |
| Pressure Rating | PN10 (10 bar) |
| Temperature Range | -20°C to +120°C (Standard EPDM) |
| Connection Types | Wafer, Lug, Double Flange |
| Standards | ISO 5752, DIN, ANSI, JIS (Available) |
| Actuator Mounting | ISO 5211 Standard Pad |
Benefits for Your Marine Operations:
- Enhanced System Reliability: The robust construction and marine-grade materials minimize failure risks, reducing downtime and maintenance costs in critical shipboard systems.
- Simplified Automation Integration: The "actuator-ready" design eliminates custom machining or adaptation, speeding up the automation upgrade process for existing or new builds.
- Operational Flexibility: Suitable for a broad spectrum of fluids (water, seawater, oils, air) used in marine environments, offering a versatile solution for multiple applications.
- Global Compliance Ease: Manufactured with international standards in mind, facilitating approval processes for shipyards and vessel classifications worldwide.
With an annual export value ranging between US$1 Million and US$1.5 Million and a presence in key markets across North America, South America, Europe, Asia, Africa, and Oceania, Shanghai Zhibang has built a reputation for delivering quality valves that meet global standards. Our ISO9001 certification is a testament to our commitment to consistent quality control. Sourcing from major ports like Shanghai, Guangzhou, Hong Kong, and Beijing, we ensure efficient and flexible logistics to meet your project timelines. Choosing our Pneumatic Actuator Ready Marine Butterfly Valve means investing in a component backed by manufacturing expertise, proven global supply capability, and a design focused on the rigorous demands of the maritime industry. Contact us today to discuss your specific requirements and receive a tailored quotation.
Frequently Asked Questions (FAQ):
Q1: What does "Pneumatic Actuator Ready" specifically mean for this valve?
A: It indicates that the valve is equipped with a standardized mounting interface (typically ISO 5211 compliant pad) and a drive shaft designed to directly accept a pneumatic actuator without requiring additional modifications or adaptor kits, simplifying the automation process.
Q2: Is the cast steel body suitable for full seawater immersion service?
A: While cast steel (e.g., WCB) offers good general corrosion resistance, for prolonged full immersion in seawater, specific material grades with enhanced corrosion protection or alternative materials like duplex stainless steel may be recommended. Please consult with our engineers for severe service conditions.
Q3: Can this valve be supplied with the pneumatic actuator already installed?
A: Yes, absolutely. We can provide the valve as a complete package, pre-assembled with a pneumatic actuator (single-acting or double-acting), positioners, limit switches, and other accessories as per your specifications.
Q4: What is the difference between wafer, lug, and flanged connections, and which should I choose?
A: Wafer: Lightweight, fits between two flanges, held by flange bolts. Lug: Has threaded inserts (lugs), can be installed at the end of a pipeline or between flanges. Double Flange: Has flanges on both ends, bolted directly to pipeline flanges. The choice depends on your piping design, pressure, and need for end-of-line support.
Q5: Are these valves compliant with major marine classification society rules?
A: Our valves are manufactured to international standards commonly referenced by classification societies. Specific certification (ABS, DNV, LR, etc.) can be arranged upon request, subject to additional testing and documentation.
Q6: What is the typical lead time for an order of these valves?
A: Lead time varies based on order quantity, material specifications, and accessory requirements. Standard configurations typically have shorter lead times. Please contact our sales team with your detailed inquiry for an accurate delivery schedule.
Q7: What maintenance is required for this butterfly valve in marine service?
A: Routine maintenance typically involves periodic visual inspection for leaks, checking actuator operation, and ensuring the sealing surfaces are clean. The robust design aims for minimal maintenance. Detailed maintenance guidelines are provided with the product.
Q8: Do you offer different pressure ratings besides PN10?
A: Yes. While PN10 is a common rating for this product type, we can manufacture valves with other pressure ratings such as PN16, PN25, or ANSI Class 150, depending on your application needs.
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