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Help CenterCB/T3191 Electric Ball Valve for Shipboard Bilge and Ballast Water System Control
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As a professional manufacturer with ISO9001 certification, Shanghai Zhibang Valve Manufacture Co., Ltd. specializes in providing reliable and high-performance marine fluid control solutions. Our CB/T3191 Electric Ball Valve is engineered specifically for the demanding environments of shipboard bilge and ballast water systems. With years of experience and an annual export value exceeding US$1 million, we understand the critical need for valves that ensure operational safety, prevent environmental contamination, and minimize maintenance downtime. This valve represents our commitment to delivering durable, precise, and compliant components for the global maritime industry.
The CB/T3191 Electric Ball Valve is designed for remote and automated control of fluid flow in critical marine applications. Its robust construction and electric actuation make it an ideal choice for managing bilge water discharge and ballast water transfer, operations where reliability is non-negotiable.
Key Features and Technical Advantages:
- Corrosion-Resistant Construction: Available in materials like bronze, stainless steel (CF8/CF8M), and coated cast steel to withstand seawater, bilge water, and harsh marine atmospheres, ensuring long service life.
- High-Performance Electric Actuator: Features a compact, powerful, and waterproof electric actuator with multiple voltage options (24V DC, 110V/220V/380V AC) for global compatibility. The actuator provides fast, quarter-turn operation for immediate flow control.
- Superior Sealing and Leakage Control: Utilizes reinforced PTFE seats and seals, or metal-seated versions for high-temperature applications, ensuring bubble-tight shut-off (meeting or exceeding ANSI/FCI 70-2 Class VI standards) to prevent unwanted water transfer or discharge.
- Enhanced Safety and Protection: The actuator housing is rated IP67 or IP68, offering complete protection against dust ingress and temporary or prolonged immersion in water. Built-in thermal overload protection safeguards the motor.
- Versatile Control and Feedback: Supports simple on/off control via limit switches as well as modulating control (4-20mA or 0-10V input) for precise flow regulation. Provides position feedback signals (potentiometer, 4-20mA) for integration into shipboard automation systems.
- Easy Installation and Maintenance: Standard flanged (ISO, ANSI, JIS), threaded, or welded ends facilitate straightforward installation. The modular design allows for easy actuator replacement or manual override without removing the valve body from the pipeline.
Technical Specifications Table:
| Parameter | Specification / Options |
| Product Standard | CB/T 3191, GB/T 12237, ISO 17292 |
| Valve Body Material | Bronze (C95800), CF8 Stainless Steel, WCB Cast Steel |
| Pressure Rating | PN10/16/25, ANSI Class 150/300 |
| Temperature Range | -20°C to +120°C (Standard), up to +200°C (Special) |
| Actuator Protection | IP67 (Standard), IP68 (Optional) |
| Operation Time | Typically 15-60 seconds (depending on size) |
| Manual Override | Integrated handwheel or lever (standard) |
Benefits for Your Vessel and Operation:
- Operational Reliability: Ensures dependable bilge pumping and ballast water management, contributing to vessel stability and safety compliance with regulations like the Ballast Water Management Convention.
- Reduced Manning and Labor: Enables centralized, remote control from the ship's bridge or control room, reducing the need for manual valve operation in hard-to-reach or hazardous spaces.
- Minimized Risk of Pollution: Tight shut-off prevents accidental discharge of oily bilge water or uncontrolled ballast exchange, helping to avoid environmental fines and protect marine ecosystems.
- Lower Lifecycle Cost: Durable materials and robust design reduce failure rates and the frequency of replacements. Easy maintenance further cuts down operational expenses.
- System Integration Flexibility: Compatible with most PLCs and shipboard control systems, allowing for automated sequencing of bilge and ballast operations.
Trust in a manufacturer with a proven global track record. Shanghai Zhibang Valve has been serving shipyards, ship owners, and marine equipment suppliers across North America, Europe, Southeast Asia, and other key markets since 2016. Our products are shipped efficiently from major ports like Shanghai, Guangzhou, and Hong Kong. The ISO9001 certified quality management system underpins every stage of our production, from material sourcing to final testing. This electric ball valve is not just a component; it's a commitment to enhancing the safety, efficiency, and environmental performance of your maritime assets. Contact us today to discuss your specific requirements for bilge and ballast system control and receive a detailed quotation.
Frequently Asked Questions (FAQ):
Q1: Is this valve suitable for controlling both bilge water and ballast water?
A: Yes, absolutely. The CB/T3191 valve is specifically designed for marine service and is constructed from corrosion-resistant materials suitable for handling seawater, bilge water (which may contain oils and debris), and ballast water. Material selection can be optimized based on the specific fluid and duty.
Q2: What are the main differences between the standard IP67 and optional IP68 protection ratings?
A: IP67 means the actuator is protected against dust ingress and can withstand temporary immersion in water up to 1 meter for 30 minutes. IP68 offers a higher protection level, suitable for prolonged immersion under specified conditions (depth and time to be agreed upon), making it ideal for applications where valves might be in flooded bilges.
Q3: Can this valve be integrated with our existing shipboard automation system?
A: Yes, integration is straightforward. The electric actuator can receive standard control signals (simple on/off switch commands, 4-20mA, or 0-10V for modulating control) and provide position feedback (e.g., 4-20mA or potentiometer signal). Our technical team can assist with interface details.
Q4: Do you offer a manual override feature in case of power failure?
A: Yes, a manual override is a standard feature. It typically consists of a handwheel or lever attached to the actuator, allowing crew to operate the valve manually during power loss or maintenance, ensuring system control is never lost.
Q5: What is the typical lead time for an order of these valves?
A: Lead time varies based on order quantity, size, and material specifications. For standard configurations, we often have stock or can deliver within a few weeks. Customized orders may require additional time. We provide accurate lead time estimates with every quotation.
Q6: Are spare parts like seals and gaskets readily available?
A: Yes. We maintain an inventory of common spare parts and seal kits. We recommend keeping a set of critical seals on board as part of routine maintenance. Parts can be shipped promptly from our Shanghai facility.
Q7: How do I select the correct valve size and pressure rating for my application?
A: Selection depends on your pipeline size (DN or NPS), system operating pressure, and flow requirements. Please provide your pipe diameter, maximum working pressure, and fluid details. Our engineering team can help you select the optimal model (e.g., PN16 vs PN25).
Q8: What after-sales support do you provide?
A: We offer comprehensive support including installation guidance, operation manuals, technical consultation, and access to spare parts. Our goal is to ensure the valve performs reliably throughout its service life on your vessel.
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