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Help CenterCB/T3191 Marine Ball Valve Compatible With Ship Hydraulic System PN16
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Shanghai Zhibang Valve Manufacture Co., Ltd., established in 2016, is a dedicated manufacturer specializing in high-performance valves for demanding industrial and marine applications. With an annual export value ranging between US$1 million and US$1.5 million, we have built a solid reputation for quality and reliability, serving markets across North America, South America, Europe, Asia, Africa, and Oceania. Our CB/T3191 Marine Ball Valve Compatible with Ship Hydraulic System PN16 embodies our commitment to engineering excellence, designed specifically to meet the rigorous requirements of marine hydraulic systems. This valve ensures precise fluid control, robust pressure handling, and long-term durability in challenging maritime environments, offering shipbuilders and operators a reliable and efficient solution for their critical hydraulic circuits.
This marine-grade ball valve is engineered according to the CB/T3191 standard, a recognized specification for shipbuilding equipment, ensuring compatibility and performance within marine applications. Its PN16 pressure rating signifies a robust design capable of handling significant hydraulic pressures, making it suitable for various shipboard systems including steering gear, winch controls, hatch operations, and other hydraulic-powered machinery. The valve's core design focuses on providing a secure, leak-proof shut-off with minimal operational torque, contributing to system efficiency and safety.
Key Features & Technical Specifications:
- Standard Compliance: Manufactured in strict accordance with the CB/T3191 standard for marine valves, ensuring design integrity and acceptance in shipbuilding projects.
- Pressure Performance: Rated at PN16, suitable for hydraulic systems operating at pressures up to 16 bar, providing reliable service under typical marine hydraulic conditions.
- Material Durability: Constructed from high-grade materials such as stainless steel (316/304) or carbon steel, selected for corrosion resistance and strength against seawater and marine atmospheres. Internal seals utilize PTFE or specialized polymers for longevity and tight sealing.
- Operation Versatility: Available with manual handwheel operation or can be equipped with pneumatic actuators for remote or automated control, enhancing operational flexibility.
- Connection Options: Offered with threaded (NPT, BSP) or flanged connections (DN standard) to seamlessly integrate with existing ship hydraulic piping.
- Flow Characteristics: Full-port or standard port design options to minimize flow resistance and pressure drop, optimizing hydraulic system performance.
- Temperature Tolerance: Designed to operate effectively within a temperature range from -20°C to 150°C, accommodating various hydraulic fluid temperatures and ambient conditions.
- Size Range: Available in a comprehensive range of sizes from DN15 (approx. 1/2") to DN100 (approx. 4") to suit different pipeline dimensions and flow requirements.
Detailed Technical Parameters Table:
| Parameter | Specification / Value |
| Product Standard | CB/T3191 |
| Pressure Rating (PN) | 16 |
| Nominal Size Range | DN15, DN20, DN25, DN32, DN40, DN50, DN65, DN80, DN100 |
| Primary Body Material | Stainless Steel 316/304, Carbon Steel WCB |
| Ball & Stem Material | Stainless Steel |
| Seal Material | PTFE, Reinforced PTFE, or other engineered polymers |
| Connection Types | Threaded (NPT, BSPT, BSPP), Flanged (RF, FF) |
| Operating Temperature | -20°C to 150°C |
| Operation Mode | Manual (Handwheel), Pneumatic Actuation (optional) |
| Flow Design | Full Port or Standard Port |
Advantages & Customer Benefits:
- Enhanced System Reliability: The robust construction and marine-specific design reduce failure risks, ensuring continuous operation of vital ship hydraulic systems.
- Corrosion Resistance: Material selection prioritizes resistance to saltwater corrosion, extending valve service life and reducing maintenance needs in harsh marine environments.
- Efficient Fluid Control: The ball valve design offers quick opening/closing and low flow resistance, contributing to responsive and efficient hydraulic system performance.
- Easy Integration & Maintenance: Standard connection types and accessible design facilitate straightforward installation and potential maintenance, saving time and labor costs.
- Compliance Assurance: Adherence to CB/T3191 provides confidence that the valve meets recognized marine industry standards, simplifying approval processes for shipyards and operators.
- Customization Potential: Specific material grades, actuator types, and connection details can often be customized upon request to match unique project requirements.
As an ISO9001-certified manufacturer, Shanghai Zhibang Valve ensures that every CB/T3191 Marine Ball Valve is produced under a stringent quality management system, guaranteeing consistent product quality and performance. Our annual export volume of US$1-1.5 million reflects our global clients' trust and the widespread applicability of our products. We ship from major ports including Shanghai, Guangzhou, Hong Kong, and Beijing, ensuring efficient logistics to our diverse markets worldwide. This valve is not just a component; it's a reliable investment in the safety and efficiency of your marine hydraulic systems. Its proven design, material durability, and standard compliance make it a dependable choice for shipbuilders, repair yards, and vessel operators. For detailed quotations, specific customization options, or technical support, please contact us to discuss how this valve can meet your precise needs.
Frequently Asked Questions (FAQ):
-
Q: What does "CB/T3191" mean for this valve?
A: CB/T3191 is a Chinese national standard specifically developed for shipbuilding equipment. A valve compliant with this standard is designed and tested to meet the performance, safety, and material requirements typical for marine applications, ensuring its suitability for use on ships. -
Q: Is this valve suitable only for hydraulic oil, or can it handle other fluids?
A: While designed for compatibility with ship hydraulic systems (typically using mineral-based or synthetic hydraulic oils), its material construction (e.g., stainless steel, PTFE seals) also makes it suitable for handling seawater, lubricating oils, or other non-corrosive fluids within its pressure and temperature ratings. Always confirm fluid compatibility for specific applications. -
Q: What is the difference between PN16 and Class 150 pressure ratings?
A: PN (Pressure Nominal) is a metric system rating common in European and ISO standards, where PN16 corresponds to a pressure rating of 16 bar. Class (e.g., Class 150) is an ANSI rating common in North America. They represent similar pressure capabilities but use different measurement systems. Our PN16 valve is suitable for systems operating around 16 bar. -
Q: Can this valve be supplied with an actuator for automated control?
A: Yes. While standard versions come with a manual handwheel, we can provide the valve equipped with a pneumatic actuator (air-operated) as an optional feature. This allows for remote or automated on/off control, which is useful in integrated control systems. -
Q: What materials are available for the valve body to combat marine corrosion?
A: The primary body materials offered are Stainless Steel 316 (offering excellent corrosion resistance) and Carbon Steel (typically with protective coatings for marine use). Stainless Steel 316 is often recommended for superior long-term resistance to saltwater environments. -
Q: Are flanged connections available, and what flange standards are followed?
A: Yes, flanged connections are available. We typically provide flanges according to common standards such as DIN, ANSI/ASME, or JIS, with Raised Face (RF) or Flat Face (FF) types. The exact standard and face type can be specified based on your piping system requirements. -
Q: What is the typical lead time for ordering these valves?
A: Lead times vary based on order quantity, specific customization (material, actuator, connection type), and current production schedule. Standard configurations in common sizes often have shorter lead times. Please inquire for a precise delivery estimate based on your needs. -
Q: Do you provide testing reports or certificates for the valves?
A: As an ISO9001-certified manufacturer, our production process includes quality checks. Standard testing such as pressure tests and material verification is conducted. Detailed test reports or specific certificates can be provided upon request.
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