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Help CenterCB/T3191 Marine High Pressure Ball Valve, Flanged End ANSI 150LB, Forged Steel 1.0619 Material
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As a professional manufacturer with ISO9001 certification, Shanghai Zhibang Valve Manufacture Co., Ltd. specializes in producing high-performance industrial valves for demanding global markets. Our CB/T3191 Marine High Pressure Ball Valve is engineered to meet the rigorous standards of marine and offshore applications, offering exceptional reliability and durability in high-pressure environments. Crafted from premium Forged Steel 1.0619 and featuring a robust flanged end design per ANSI 150LB, this valve delivers superior sealing performance and long service life, making it an ideal choice for shipbuilding, oil & gas platforms, and critical pipeline systems.
This valve stands out due to its robust construction and precise engineering. The forged steel body provides enhanced mechanical strength and resistance to pressure surges, corrosion, and thermal stress compared to cast alternatives. The full-port ball design ensures minimal flow restriction and pressure drop, optimizing system efficiency. A high-quality PTFE or reinforced PTFE seat offers excellent sealing and chemical resistance across a wide temperature range. The valve is designed for easy operation with a standard lever handle, with gear operator options available for larger sizes or high-torque applications. Its blowout-proof stem and anti-static device enhance safety in critical service.
Key Technical Specifications & Features:
- Superior Material: Forged Steel 1.0619 (equivalent to A105) offers high tensile strength and impact resistance.
- Robust Design: Flanged connection conforms to ANSI B16.5, ensuring secure and leak-free piping integration.
- High-Pressure Capability: Rated for ANSI Class 150 pressure, suitable for working pressures up to 285 PSI at 100°F (19 bar at 38°C).
- Marine Compliance: Manufactured according to CB/T3191 Chinese ship standard, suitable for marine classification society requirements.
- Versatile Service: Suitable for a wide range of media including water, oil, gas, steam, and other non-aggressive fluids.
- Temperature Range: Standard seat materials allow operation from -20°C to 200°C (-4°F to 392°F).
- Fire-Safe Design: Optional fire-safe design available to meet API 607/API 6FA standards.
- Compact & Lightweight: The forged construction allows for a more compact and lighter valve compared to cast steel, easing installation.
Detailed Technical Parameters Table:
| Parameter | Specification |
| Product Standard | CB/T3191 |
| Design Standard | API 6D, ASME B16.34 |
| Face-to-Face | ASME B16.10 |
| Flange Standard | ANSI B16.5 Class 150 RF |
| Pressure-Temperature Rating | ASME B16.34 |
| Test & Inspection | API 598 / ISO 5208 |
| Size Range | DN15 (1/2") to DN300 (12") (customizable) |
Benefits for Your Operations:
- Enhanced System Reliability: The forged steel construction and precision machining minimize failure risks in critical marine and industrial systems, reducing downtime.
- Long-Term Cost Efficiency: Exceptional durability and corrosion resistance translate to a longer service life and lower total cost of ownership.
- Global Compliance: Adherence to CB/T3191, ANSI, and API standards facilitates approval processes for international projects, especially in marine sectors.
- Easy Maintenance: The trunnion-mounted or floating ball design (depending on size/pressure) often allows for in-line maintenance and seat replacement, saving time and resources.
- Flexible Sourcing: Available in a wide size range with optional features (gear operator, lockable handle, different seat materials) to match specific project needs.
Shanghai Zhibang Valve, established in 2016, has rapidly grown into a trusted supplier with an annual export value ranging between US$1 Million and US$1.5 Million, serving diverse markets across North and South America, Europe, Asia, Africa, and Oceania. Our ISO9001-certified manufacturing processes guarantee consistent quality and performance in every valve we produce. This specific Marine High Pressure Ball Valve embodies our commitment to engineering excellence and customer satisfaction. By choosing our valve, you gain a reliable component backed by a manufacturer with proven global logistics from major ports like Shanghai, Guangzhou, Hong Kong, and Beijing. We encourage you to contact us for detailed quotations, technical datasheets, or to discuss custom requirements for your next marine or industrial project.
Frequently Asked Questions (FAQ):
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Q: What is the main advantage of using forged steel (1.0619) over cast steel for this ball valve?
A: Forged steel offers superior grain structure, resulting in higher mechanical strength, better impact resistance, and improved performance under high pressure and thermal cycling. It is generally more reliable for critical and high-pressure applications like marine systems. -
Q: Is this valve suitable for seawater service?
A: The forged steel 1.0619 material provides good general corrosion resistance. For prolonged seawater exposure, specifying appropriate seat materials (like reinforced PTFE) and considering external epoxy coating or cathodic protection is recommended. Please consult our engineers for specific media compatibility. -
Q: Can this valve be supplied with different flange standards, like DIN or JIS?
A: Yes, while standard supply is ANSI B16.5 flanges, we can customize the valve with DIN, JIS, or other flange standards upon request to meet your specific piping requirements. -
Q: What is the delivery lead time for standard sizes?
A: For standard sizes within our DN15-DN300 range, typical lead time is 4-6 weeks. Expedited production may be available; please inquire with your specific size and quantity requirements. -
Q: Do you provide fire-safe certification for this valve?
A: We offer an optional fire-safe design that meets API 607/API 6FA standards. This feature must be specified at the time of order. -
Q: What is the difference between CB/T3191 and other marine valve standards like API or MSS?
A: CB/T3191 is a Chinese national standard specifically for marine valves, covering design, material, manufacturing, and testing requirements for shipboard use. It is widely recognized and often aligns with international norms. Our valve also conforms to relevant API and ASME standards for broader acceptance. -
Q: Is a manual gear operator available, and for what sizes is it recommended?
A: Yes, a manual gear operator is available as an option. It is typically recommended for valves larger than DN200 (8") or in applications requiring higher operating torque to ensure smooth and manageable operation. -
Q: What documentation do you provide with the valves?
A: Standard documentation includes a material test certificate (MTC), pressure test certificate, product manual, and packing list. Additional certification, such as NDT reports or third-party inspection reports, can be arranged.
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