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Help Center1-Year Warranty Cast Steel Self-Closing Level Gauge Valve CB/T3265
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As a professional manufacturer of industrial valves with over 8 years of experience, Shanghai Zhibang Valve Manufacture Co., Ltd is proud to introduce our 1-Year Warranty Cast Steel Self-Closing Level Gauge Valve (CB/T3265). Designed for reliable and safe operation, this valve is essential for liquid level measurement systems in demanding environments. Built from high-quality cast steel and featuring a self-closing mechanism, it ensures automatic shut-off in case of accidental damage, preventing leakage and enhancing safety. With ISO9001 certification and exports to over 10 regions worldwide, we guarantee consistent quality and performance.
Key Features & Benefits
- Self-Closing Mechanism: Automatically closes when the glass level gauge breaks, minimizing fluid loss and protecting personnel.
- Durable Cast Steel Construction: Withstands high pressure, thermal shock, and corrosive media, ensuring long service life.
- Compliance with CB/T3265 Standard: Meets Chinese marine industry specifications, suitable for both onshore and offshore applications.
- Versatile Connection Options: Available in flanged or threaded ends, customizable to your piping system.
- Wide Application Range: Ideal for boilers, tanks, pipelines, and vessels handling water, oil, gas, and steam.
- 1-Year Warranty: Backed by a comprehensive warranty, offering peace of mind and reduced maintenance costs.
Technical Specifications
| Parameter | Value |
|---|---|
| Material | Cast Steel (WCB, WCC, or equivalent) |
| Standard | CB/T3265 |
| Pressure Rating | PN16 – PN40 (optional higher) |
| Temperature Range | -20°C to +400°C |
| Connection | Flanged (RF/FF) or Threaded (NPT/BSP) |
| Applicable Medium | Water, oil, gas, steam, non-corrosive fluids |
| Warranty | 1 Year |
Detailed Product Advantages
Our Cast Steel Self-Closing Level Gauge Valve is engineered to provide exceptional safety and reliability. The self-closing function utilizes a spring-loaded ball or disc that automatically seals the valve when the glass tube is fractured, preventing hazardous leakage. This feature is critical in high-pressure or toxic fluid systems. The cast steel body offers superior strength compared to brass or iron, resisting mechanical stress and thermal expansion. Additionally, the valve design complies with CB/T3265, a standard widely adopted in marine and industrial applications, ensuring compatibility with existing level gauge assemblies.
Installation is straightforward with flanged or threaded options. The valve can be customized with different seal materials (PTFE, graphite, etc.) to suit specific media. Low maintenance is required due to the robust construction and simple internal mechanism. Every valve undergoes hydrostatic and sealing tests before shipment, guaranteeing zero leakage.
Trust & Reliability
Shanghai Zhibang Valve Manufacture Co., Ltd has been a trusted supplier since 2016, with an annual export value of US$1 million to US$1.5 million. We are proud to hold ISO9001 quality management system certification, ensuring that every product meets strict international standards. Our valves are shipped from major ports including Shanghai, Guangzhou, Hong Kong, and Beijing, and are exported to markets across North America, South America, Europe, Asia, Africa, and Oceania. With a dedicated team of engineers and a fast response time, we provide comprehensive after-sales support. Choose our Cast Steel Self-Closing Level Gauge Valve for a reliable, safe, and cost-effective solution. Contact us today for a quote or technical consultation.
Frequently Asked Questions (FAQ)
- What is the main function of this self-closing valve? It automatically shuts off the fluid flow when the level gauge glass breaks, preventing leaks and ensuring safety in high-pressure or hazardous systems.
- Can this valve be used for steam service? Yes, it is suitable for steam up to 400°C (depending on pressure rating). Please specify the steam parameters when ordering.
- What materials are available for the seal? Standard seals are PTFE or Graphite; other materials like NBR or Viton are available upon request for specific media compatibility.
- Is the valve supplied with a matching gauge? No, this is a valve only. It is designed to connect to standard level gauge glass assemblies (e.g., tubular or reflex gauges).
- What is the lead time for custom orders? For standard sizes, lead time is 15–30 days. Customized specifications (e.g., special flanges, higher pressure) may require 30–45 days.
- Does the valve comply with international standards besides CB/T3265? The design is based on CB/T3265, but we can also manufacture according to DIN, ANSI, or JIS standards as a customized option. Please inquire for details.
- How do I maintain the self-closing mechanism? Minimal maintenance is needed. Periodically check the spring and seal for wear. We recommend annual inspection, especially in high-temperature or corrosive environments.
- What is the warranty coverage? We offer a 1-year warranty against manufacturing defects. This covers repair or replacement, excluding normal wear and tear or misuse.
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