Contact Platform Support
Help CenterCB/T3191 Manual Gear Marine Ball Valve Supplied With Installation Manual and Spare Gear Kit
Product Spotlights
Related Products
-
CB/T3191 Manual Gear Marine Ball Valve With 2-Year Warranty and Mill Test ReportNegotiableMOQ: 1 Unit -
Manual Gear Marine Ball Valve CB/T3191 DN100 PN4.0MPa Flanged ConnectionNegotiableMOQ: 1 Unit
-
CB/T3191 Manual Gear Marine Ball Valve With Lockable Handle for Offshore Platform UseNegotiableMOQ: 1 Unit
-
HF-1280 SERIES High Pressure Stainless Steel Globe Valve Flanged Threaded Globe Valve For Water Oil GasNegotiableMOQ: 10 Units
-
CB590-1995High Pressure Angle Globe Check Valve With Mounting PlateNegotiableMOQ: 50 Units
As a leading manufacturer with a strong commitment to maritime engineering, Shanghai Zhibang Valve Manufacture Co., Ltd. proudly presents our CB/T3191 compliant Manual Gear Marine Ball Valve. Engineered for demanding marine and offshore applications, this valve combines robust construction with reliable manual gear operation, ensuring precise flow control in critical shipboard systems. Our dedication to quality, backed by ISO9001 certification, is embedded in every valve we produce, making it a trusted component for shipbuilders, repair yards, and marine equipment suppliers worldwide. We understand the unique challenges of the marine environment, and this valve is specifically designed to meet them, offering durability, ease of maintenance, and long-term performance.
The core of this valve's reliability lies in its heavy-duty gear operator. This mechanism provides significant mechanical advantage, allowing for smooth and effortless opening and closing even under high differential pressures or in large bore sizes where direct handwheel operation would be impractical. The gearbox is fully sealed to protect against harsh saltwater spray, humidity, and other corrosive elements prevalent in marine settings. Each valve is supplied with a comprehensive spare gear kit, enabling quick on-site maintenance and minimizing vessel downtime—a critical factor for operational efficiency.
Key Product Features & Technical Advantages:
- Robust Gear Operation: The enclosed gear operator ensures reliable performance with reduced operating torque, enhancing safety and ease of use for crew members.
- Superior Sealing Integrity: Advanced seat materials, such as reinforced PTFE or metal seats, provide excellent sealing performance, low friction, and high resistance to wear and marine corrosion.
- Versatile Material Options: Valve bodies are available in various grades including cast steel (WCB, WCC), stainless steel (CF8, CF8M), and ductile iron, allowing selection based on specific fluid compatibility and service pressure requirements.
- Comprehensive Service Support: The inclusion of a detailed installation manual and a spare gear kit underscores our commitment to customer support, facilitating correct installation and future maintenance.
- Design Compliance: Manufactured in accordance with the Chinese CB/T3191 standard for marine valves, ensuring compatibility with international marine piping system specifications.
Technical Specifications Overview:
| Parameter | Specification / Option |
| Design & Manufacturing Standard | CB/T3191, ISO 17292, API 6D (Optional) |
| Pressure Rating | PN16, PN25, ANSI Class 150, Class 300 |
| Temperature Range | -29°C to 200°C (varies with seat/body material) |
| End Connection | Flanged (RF, RTJ), Threaded (NPT, BSP), Butt Weld |
| Fire Safe Design | Available upon request (API 607/API 6FA compliant) |
| Gearbox Protection | IP65/IP67 (Optional), Epoxy Coated |
For clients, the primary benefits are clear: operational reliability that reduces the risk of system failure at sea, reduced lifecycle costs through durable construction and included spare parts, and enhanced safety from a design that prioritizes secure and manageable operation. These valves are ideally suited for seawater cooling lines, ballast systems, fuel oil lines, bilge systems, and general service lines on various vessels including cargo ships, tankers, offshore platforms, and naval vessels.
Trust is the foundation of our business at Shanghai Zhibang. Since our establishment in 2016, we have grown into a reliable partner for the global marine industry, with an annual export value ranging between US$1 Million and US$1.5 Million. Our products reach key markets across North and South America, Europe, Asia, Africa, and Oceania from major ports like Shanghai, Guangzhou, and Hong Kong. Our ISO9001 certified quality management system governs every step of production, from material sourcing to final testing. When you choose our CB/T3191 Manual Gear Marine Ball Valve, you are not just purchasing a component; you are investing in a product backed by a manufacturer's dedication to excellence, comprehensive global logistics, and a proven track record of supplying durable solutions for challenging marine environments. Contact us today to discuss your specific requirements and experience the Zhibang difference in quality and service.
Frequently Asked Questions (FAQ):
-
Q: What is the main advantage of a gear-operated ball valve over a standard handwheel valve for marine use?
A: The gear operator provides a high mechanical advantage, significantly reducing the torque required to operate the valve. This is crucial for larger valve sizes or higher pressure applications common in marine systems, making operation safer and less strenuous for personnel. -
Q: Does the spare gear kit include all wearable parts?
A: The standard spare gear kit typically includes critical wearable components such as gears, seals, and gaskets for the gearbox. The exact contents can be specified or customized based on customer requirements to ensure comprehensive maintenance readiness. -
Q: Are these valves suitable for seawater service?
A: Yes. We offer specific material configurations, such as stainless steel bodies (CF8M/316) with appropriate seat materials, that are highly resistant to corrosion from seawater, chlorides, and other marine elements. -
Q: Can the valve be modified for remote indication of open/closed status?
A> Yes, modifications such as the addition of limit switches or proximity sensors for remote position indication are available as optional features. Please specify this requirement during inquiry. -
Q: What documentation is provided with the valve?
A> Each valve is supplied with a detailed installation and maintenance manual, material certificates, pressure test certificates, and a packing list. The spare gear kit is also included as part of the delivery. -
Q: How does your manufacturing standard CB/T3191 relate to other international standards?
A> CB/T3191 is a Chinese professional standard for marine valves. It specifies requirements for design, materials, pressure testing, and marking that are generally aligned with the functional and safety requirements of international standards like ISO 17292 and API specifications for valve performance. -
Q: What is your lead time for standard sizes of this valve?
A> Lead times vary based on size, material, and order quantity. Generally, for standard configurations from our inventory, lead times can range from 15 to 45 days. We provide accurate delivery schedules upon receipt of a formal inquiry. -
Q: Do you offer painting or coating per specific marine specifications?
A> Absolutely. We can apply coatings such as epoxy paints, zinc-rich primers, or other marine-grade protective coatings as per customer specifications or industry standards like NORSOK or specific shipyard requirements.
Send Inquiry to This Supplier
You May Also Like
-
JIS / DIN / ASME Forged Steel High Pressure Globe Valve for ShipNegotiableMOQ: 20 Units
-
JIS F7312 Marine J Type Cast Steel Flange Globe Valve | DN25-DN300 CCS BV ApprovedNegotiableMOQ: 20 Units
-
JIS F7305 J Type Flanged Cast Iron Straight Through Globe Stop Valve for MarineNegotiableMOQ: 20 Units
-
Marine JIS F7306 J Class Cast Iron Flange Angle Stop Valve 5K/10K ShipbuildingNegotiableMOQ: 20 Units
-
Low Temperature CB/T 3945 Marine Bellows Seal Globe Valve -40°C RatedNegotiableMOQ: 20 Units
-
CB/T 3945 Marine Bellows Seal Globe Valve With Manual Override OptionNegotiableMOQ: 20 Units
-
CB/T 3945 Marine Bellows Seal Globe Valve With Extended Stem DesignNegotiableMOQ: 20 Units
-
CB/T 3945 Marine Bellow Seal Globe Valve Flanged Stop Valve For ShipNegotiableMOQ: 20 Units
-
CB/T 3945 Marine Bellows Seal Globe Valve for Seawater Cooling SystemsNegotiableMOQ: 20 Units
-
CB/T 3945 Certified Marine Bellows Seal Globe Valve With PTFE SeatNegotiableMOQ: 20 Units
