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Help CenterMarine External Thread Bronze Angle Liquid Safety Valve CB907-1994, 0.6MPa
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As a leading manufacturer with ISO9001 certification, Shanghai Zhibang Valve Manufacture Co., Ltd. specializes in providing high-reliability fluid control solutions for demanding marine environments. Our Marine External Thread Bronze Angle Liquid Safety Valve, designed in strict accordance with the CB907-1994 standard, represents a critical component for ensuring the safety and integrity of liquid pipelines onboard vessels. Engineered for a 0.6MPa pressure rating, this valve offers dependable overpressure protection, combining robust bronze construction with precise engineering to meet the rigorous demands of global maritime operations. We understand that safety at sea is non-negotiable, which is why this valve is crafted to deliver consistent performance, durability, and ease of maintenance, directly contributing to operational uptime and risk mitigation for ship operators and builders worldwide.
This valve is distinguished by several key features and technical advantages that make it a preferred choice for marine engineers and procurement specialists. Its design and construction address the specific challenges of corrosive, high-vibration marine settings.
- Superior Corrosion Resistance: The valve body and critical components are manufactured from high-grade bronze alloy (typically CuZn39Pb3), offering excellent resistance to saltwater corrosion, dezincification, and erosion from various marine liquids.
- Precise Safety Function: As a safety valve, it is calibrated to open automatically at the set pressure of 0.6MPa, preventing dangerous overpressure situations in systems carrying water, fuel, lubricating oil, or other non-corrosive liquids.
- Robust Angle Pattern Design: The 90-degree angle body design allows for efficient space utilization in tight engine rooms and pipeline layouts, often reducing the need for extra elbows and fittings.
- Reliable Sealing: Equipped with high-quality PTFE (Teflon) or other compatible seal rings, ensuring a bubble-tight seal in both open and closed positions, minimizing leakage and fluid loss.
- Durable External Threads: Features precision-machined external NPT or BSP threads, ensuring a strong, leak-free connection to mating pipes or fittings, capable of withstanding vibration and thermal cycling.
- Easy Maintenance & Testing: The design often allows for in-line testing and maintenance. The lever can be manually lifted for periodic function checks without requiring system shutdown, a crucial feature for marine operational safety protocols.
The technical specifications of the valve are detailed below, providing clear parameters for system integration and compliance verification.
| Parameter | Specification |
| Product Standard | CB907-1994 (China Ship Standard) |
| Nominal Pressure (PN) | 0.6 MPa (PN6) |
| Body Material | Forged Bronze |
| Seat/Seal Material | PTFE / Optional Synthetic Rubber |
| Connection End | External Thread (NPT, BSPP, BSPT available) |
| Suitable Medium | Sea Water, Fresh Water, Lubricating Oil, Fuel Oil (Non-corrosive) |
| Operating Temperature | -20°C to +120°C (depending on seal material) |
Benefits for Your Operations: Integrating this valve into your marine systems translates to tangible operational benefits. You gain enhanced system safety, reducing the risk of costly downtime and damage from overpressure events. The bronze construction ensures a long service life even in harsh conditions, lowering total cost of ownership through reduced replacement frequency. Compliance with the recognized CB907-1994 standard simplifies regulatory approval processes for new builds or retrofits. Furthermore, its standardized external thread connections facilitate easy installation and compatibility with existing global marine piping systems.
Shanghai Zhibang Valve backs this product with the solid credibility of an established manufacturer. Founded in 2016 and holding ISO9001 certification, our quality management system ensures every valve meets stringent production standards. Our annual export value of US$1-1.5 Million is a testament to the trust placed in us by clients across North and South America, Europe, Asia, Africa, and Oceania. We ship efficiently from major ports like Shanghai, Guangzhou, and Hong Kong, ensuring timely delivery to your project sites. Choosing our Marine Bronze Angle Safety Valve means partnering with a reliable supplier committed to maritime safety and quality. Contact us today to discuss your specific requirements, request a sample, or place an order for this essential marine safety component.
Frequently Asked Questions (FAQ)
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Q: Is this valve suitable for saltwater (seawater) systems?
A: Yes, absolutely. The primary body material is bronze, which is specifically chosen for its excellent corrosion resistance against saltwater, making it ideal for seawater cooling lines, ballast systems, and other marine liquid services. -
Q: What is the meaning of the "CB907-1994" standard?
A: CB907-1994 is a Chinese national standard specifically for marine valves. It defines the design, material, manufacturing, testing, and marking requirements for valves used on ships, ensuring they meet the safety and performance criteria for maritime applications. -
Q: Can the set pressure of 0.6MPa be adjusted?
A: Typically, marine safety valves like this are factory-set to a specific pressure (0.6MPa in this case) and are not field-adjustable. This ensures the relief pressure remains accurate and tamper-proof for safety compliance. Valves with other set pressures are available upon request. -
Q: What thread standards do you offer for the external connections?
A: We can provide valves with various international thread standards to match your piping, including NPT (American), BSPP (British parallel), and BSPT (British taper). Please specify your requirement when inquiring or ordering. -
Q: How do I perform a functional test on this valve?
A: Most models feature a manual lift lever. By carefully lifting this lever, you can manually open the valve to verify its free movement and reseating capability. This test should be performed periodically as part of routine marine maintenance, following your vessel's safety management system. -
Q: Is this valve only for new shipbuilding, or can it be used for replacement?
A: It is suitable for both applications. Its compliance with a recognized marine standard and common thread connections make it an ideal direct replacement for worn or damaged safety valves in existing vessels, as well as a specified component for new construction projects. -
Q: What is the lead time for an order?
A: Lead time depends on order quantity and specific configuration (thread type). For standard configurations, we often have stock or short production cycles. We provide clear lead time estimates with every quotation to help you plan your project schedule. -
Q: Do you provide documentation like material certificates and test reports?
A: Yes, as an ISO9001 certified manufacturer, we can provide relevant documentation, including material certificates and factory test reports (e.g., shell test, seat test), upon request to support your quality assurance and regulatory compliance needs.
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