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Help CenterThree-Piece Marine Ball Valve With Mounting Pad, CB/T3191 Standard, DN25-DN100 Available
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As a leading manufacturer with ISO9001 certified quality management, Shanghai Zhibang Valve Manufacture Co., Ltd. is proud to present our specialized Three-Piece Marine Ball Valve with an integrated mounting pad, designed and built to the stringent CB/T3191 standard. Engineered for the demanding environments of the global maritime and offshore industries, this valve offers superior reliability, ease of installation, and long-term performance. Our commitment to precision manufacturing, backed by years of experience since 2016, ensures that every valve meets the exacting requirements for shipbuilding, offshore platforms, and marine engineering projects worldwide. We understand the critical need for durable and trustworthy fluid control solutions in marine applications, and this product is a direct response to that demand.
This marine-grade ball valve is constructed with a robust three-piece body design, which provides significant advantages over one-piece or two-piece designs. The three-piece configuration allows for easy maintenance and inspection without requiring removal from the pipeline, drastically reducing downtime and maintenance costs. The standout feature is the integrated mounting pad, which provides a secure and stable attachment point for actuators, positioners, or other ancillary equipment, ensuring precise control and eliminating the need for separate, often unreliable, mounting brackets.
Key Technical Features & Specifications:
- Superior Sealing Performance: Utilizes advanced seat materials like PTFE or reinforced PTFE, offering excellent chemical resistance and a bubble-tight seal even after numerous cycles, ensuring zero leakage in critical systems.
- Robust Construction & Corrosion Resistance: Available in materials such as carbon steel with marine-grade coatings, stainless steel (304/316), or naval brass, all selected for their ability to withstand saltwater corrosion, high humidity, and harsh marine atmospheres.
- Enhanced Flow Characteristics: The full-port design minimizes pressure drop across the valve, allowing for efficient fluid transfer and reducing pumping energy costs.
- Versatile Actuation Options: Can be fitted with a standard lever for manual operation, a gearbox for high-torque applications, or automated with pneumatic or electric actuators for remote control and integration into ship automation systems.
- CB/T3191 Compliance: Manufactured in strict accordance with the Chinese CB/T3191 standard for ship valves, ensuring dimensional accuracy, material suitability, and performance metrics are met for marine service.
Primary Advantages for Your Operations:
- Reduced Installation Time & Cost: The pre-fitted mounting pad eliminates fabrication and welding of custom brackets on-site, speeding up installation and ensuring proper alignment of actuation equipment.
- Unmatched Serviceability: The three-piece design means the valve center section can be removed for seat replacement or cleaning while the end connections remain in the pipeline, a crucial feature for systems with limited downtime.
- Extended Service Life: High-quality materials and precision machining result in a valve that resists wear, corrosion, and seal degradation, leading to a longer operational lifespan and lower total cost of ownership.
- Global Supply Chain Compatibility: With major shipment ports in Shanghai, Guangzhou, Hong Kong, and Beijing, we ensure timely and reliable delivery to your projects across North America, South America, Europe, Asia, Africa, and Oceania.
Detailed Specifications Table (Typical):
| Parameter | Specification |
|---|---|
| Product Standard | CB/T3191 |
| Size Range (DN) | 25, 32, 40, 50, 65, 80, 100 |
| Pressure Rating (PN) | 16, 25, 40 |
| Body Material | WCB, CF8, CF8M, C95800 |
| Ball Material | Stainless Steel, Chrome Plated |
| Seat Material | PTFE, RPTFE, Metal |
| Stem Material | Stainless Steel (17-4PH) |
| End Connection | Flanged (RF/FF), Threaded (NPT/BSP), Butt Weld |
| Temperature Range | -20°C to +200°C (varies by seat material) |
| Mounting Pad | Standard ISO 5211 or custom pattern |
Frequently Asked Questions (FAQ):
Q1: What is the main benefit of the integrated mounting pad on this valve?
A1: The integrated pad provides a ready-made, robust, and accurately positioned mounting surface for actuators. This eliminates the need for field-welded brackets, ensures proper actuator alignment for smooth operation, and significantly reduces installation labor and potential errors.
Q2: Is this valve suitable for seawater service?
A2: Yes, when ordered with appropriate materials like 316 stainless steel or naval brass and compatible seals, it is specifically designed to handle seawater, bilge water, ballast systems, and other corrosive marine fluids. Material selection should be confirmed based on the specific fluid media.
Q3: Can the valve be repaired or maintained in-line?
A3: Absolutely. The three-piece design is ideal for in-line maintenance. By removing the body bolts, the center section containing the ball and seats can be taken out for inspection, cleaning, or seal replacement without disturbing the pipeline connections.
Q4: What actuation methods are available?
A4> We offer a range of actuation solutions. The valve comes standard with a manual lever. Options include gear operators for high-torque needs and pneumatic or electric actuators for automated control systems, which can be pre-mounted at our factory.
Q5: How does compliance with CB/T3191 benefit my project?
A5> The CB/T3191 standard is a recognized specification for valves used in Chinese shipbuilding and is widely accepted in international marine projects. Compliance guarantees the valve's design, materials, pressure ratings, and testing procedures are suitable for marine environments, aiding in regulatory approval and ensuring system integrity.
Q6: What is your lead time for these valves?
A6> Lead times vary based on size, material, and order quantity. Standard configurations in popular sizes often have shorter lead times. We recommend contacting our sales team with your specific requirements for an accurate production and delivery schedule, leveraging our efficient ports for export.
Q7: Do you offer custom modifications?
A7> Yes, as a manufacturer, we can accommodate various custom requests. This includes special coatings (epoxy, zinc-nickel), different mounting pad patterns, extended stems, locking devices, and specific material certifications. Please discuss your needs with our engineering team.
Q8: What quality assurance measures are in place?
A8> Our manufacturing process is governed by an ISO9001 quality management system. Each valve undergoes rigorous testing, including shell tests, seat leakage tests, and operational checks, to ensure it meets both our internal standards and the specified CB/T3191 requirements before shipment.
Shanghai Zhibang Valve Manufacture Co., Ltd. stands behind every valve we produce. Our established track record since 2016, supported by an annual export value reflecting consistent global demand, demonstrates our capability to be a reliable partner for your marine valve needs. Our ISO9001 certification is a testament to our unwavering commitment to quality control at every stage of production. By choosing our CB/T3191 compliant Three-Piece Marine Ball Valve, you are not just purchasing a component; you are investing in a solution designed for durability, ease of maintenance, and seamless integration, backed by a manufacturer with a proven global footprint across continents. Contact us today to discuss how this valve can enhance the reliability and efficiency of your marine or offshore piping system.
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