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Help CenterCB/T3191 High Pressure Marine Ball Valve Stainless Steel Ball and Stem Threaded Connection
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As a professional manufacturer specializing in industrial valves, Shanghai Zhibang Valve Manufacture Co., Ltd. proudly presents our CB/T3191 High Pressure Marine Ball Valve. Engineered for demanding maritime applications, this valve combines robust stainless steel construction with a reliable threaded connection to ensure superior performance, durability, and safety in high-pressure fluid control systems on ships and offshore platforms. Since our establishment in 2016, we have dedicated ourselves to precision engineering and quality manufacturing, exporting our products to key global markets including North America, Southeast Asia, Europe, and Africa. Our commitment is validated by our ISO9001 certification, ensuring every valve meets stringent quality management standards.
This marine-grade ball valve is designed to excel in harsh environments. Its core features and benefits are detailed below:
- Superior Corrosion Resistance: The ball and stem are crafted from high-grade stainless steel, offering excellent resistance to saltwater corrosion, chemicals, and atmospheric elements, which is critical for long-term reliability in marine service.
- High-Pressure Integrity: Manufactured in compliance with the CB/T3191 standard, this valve is built to withstand high-pressure conditions commonly encountered in shipboard piping systems for fuel, water, ballast, and other essential fluids.
- Reliable Threaded Connection: The threaded (screwed) end connections provide a secure, leak-proof seal and facilitate easier installation and maintenance compared to welded connections, reducing onboard labor time and costs.
- Bubble-Tight Shut-off: Featuring a precision-machined ball and resilient seats (typically PTFE), the valve ensures a bubble-tight seal when closed, minimizing fluid loss and enhancing system safety and efficiency.
- Smooth Operation: The design ensures low operating torque, allowing for quick and easy quarter-turn operation via a lever handle, even under high differential pressure, which is vital during emergency procedures.
- Versatile Application: While designed for marine use, its robust construction makes it suitable for other demanding industries such as offshore oil & gas, chemical processing, and power generation where high pressure and corrosion are concerns.
Below is a summary of typical specifications for the CB/T3191 High Pressure Marine Ball Valve. Please note that specific parameters like size and pressure class can be customized based on your project requirements.
| Parameter | Specification / Description |
|---|---|
| Product Standard | CB/T3191 |
| Valve Type | Floating Ball Valve |
| Body Material | Carbon Steel or Stainless Steel (Optional) |
| Ball & Stem Material | Stainless Steel (e.g., SS304, SS316) |
| Seat Material | PTFE (Standard), other materials available |
| Connection | Threaded (NPT, BSPT, BSPP) |
| Pressure Rating | High Pressure (e.g., PN16, PN25, PN40, Class 150, Class 300) |
| Temperature Range | Standard: -20°C to +180°C (depends on seat material) |
| Operation | Lever Handle (Standard), Gear Operator optional |
| Size Range | Commonly from 1/2" to 4" (Custom sizes available) |
Choosing our valve brings tangible benefits to your operations. You gain a component known for long service life due to corrosion-resistant materials, reducing replacement frequency and total cost of ownership. The reliable performance under pressure enhances the safety and operational continuity of your marine systems. Furthermore, the standardized threaded connection simplifies your inventory management and maintenance procedures.
Shanghai Zhibang Valve stands behind every product we ship. Our ISO9001 certification is a testament to our systematic approach to quality control. With an annual export value ranging between US$1 Million and US$1.5 Million, we have proven our capability and reliability in serving a diverse international clientele across five continents. Our products are readily shipped from major ports like Shanghai, Guangzhou, Hong Kong, and Beijing, ensuring efficient logistics to your destination. Partner with us for a valve solution that delivers durability, performance, and peace of mind for your high-pressure marine applications. Contact us today to discuss your specific requirements or to request a detailed quotation.
Frequently Asked Questions (FAQ)
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Q: What does the "CB/T3191" standard signify for this valve?
A: CB/T3191 is a Chinese national professional standard specifically for marine valves. It defines the technical requirements, testing methods, inspection rules, and marking for marine ball valves, ensuring they are suitable for the rigorous conditions of shipboard use. -
Q: Is this valve suitable for seawater applications?
A: Yes, absolutely. The stainless steel construction of the ball and stem provides strong corrosion resistance against seawater. For extended service in highly aggressive environments, specifying SS316 or higher-grade stainless steel is recommended. -
Q: Can I get this valve with different end connections besides threaded?
A: While this specific product is designed with threaded connections, our company offers a wide range of valves. Other connection types like flanged or welded ends are available on different models. Please inquire about your specific needs. -
Q: What is the maximum pressure this valve can handle?
A: The pressure rating is "High Pressure," but the exact class (e.g., PN40, Class 300) depends on the valve size and material specification. We provide valves rated for various high-pressure levels common in marine systems. Please share your operating pressure requirements for an accurate recommendation. -
Q: Do you provide certifications with the valves?
A: As a manufacturer with ISO9001 certification, we can provide standard factory test reports (e.g., shell test, seat leak test). Specific product certifications can be discussed based on your project specifications. -
Q: What is the typical lead time for an order?
A: Lead time varies based on order quantity, specifications, and current production schedule. For standard specifications, it is generally shorter. We strive to provide accurate lead time estimates upon receipt of your detailed inquiry or order. -
Q: Are spare parts like seals and seats available?
A: Yes, we supply genuine spare parts kits for maintenance. Using original parts ensures optimal performance and longevity of the valve. -
Q: What industries besides marine can use this valve?
A: Its high-pressure and corrosion-resistant design makes it suitable for offshore oil & gas platforms, chemical plants, power stations, and industrial processing facilities where similar demanding conditions exist.
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