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Marine External Thread Bronze Right-Angle Steam Safety Valve CBT3192 for Boiler Systems
Product Spotlights
Marine-grade bronze safety valve for steam boilers. Features a space-saving right-angle body design with external NPT/BSP threads for flexible installation. Provides reliable overpressure protection with adjustable or factory-set spring mechanisms. Manufactured under ISO9001 standards, ensuring durability and performance for demanding maritime applications. Ideal for global shipping and industrial boiler systems.
Negotiable
MOQ: 20 Units (Price negotiable depending on order volume and customization)
Key Specifications
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Material:
Other, Bronze (CAC401, UNS C83600)
Connection Type:
External Thread (NPT, BSPP, BSPT)
Valve Type:
Right-Angle (Angle Pattern) Safety Valve
Payment & Shipping
Payment Methods:
Port of Shipment:
shanghai
Delivery Detail:
7 days
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Material
Other, Bronze (CAC401, UNS C83600)
Connection Type
External Thread (NPT, BSPP, BSPT)
Valve Type
Right-Angle (Angle Pattern) Safety Valve
Application
Marine Boiler Systems, Steam Service
Model
CBT3192
Pressure Rating
Customizable (e.g., 150 PSI, 200 PSI)
Temperature Rating
Suitable for Saturated Steam
Set Pressure
Adjustable or Factory Preset
Discharge Capacity
Available upon request
Standards
ISO9001 Quality Management System
As a dedicated manufacturer with a focus on industrial fluid control, Shanghai Zhibang Valve Manufacture Co., Ltd. is pleased to present the CBT3192 Marine External Thread Bronze Right-Angle Steam Safety Valve. Engineered specifically for the demanding environments of marine boiler systems, this valve is a critical component for protecting equipment and ensuring operational safety. Our commitment, backed by an ISO9001 certified quality management system established in 2016, is to deliver reliable, high-performance safety solutions that our global clientele in North America, Europe, Asia, and beyond can depend on. This valve represents a synthesis of robust design, precise engineering, and stringent manufacturing controls, offering peace of mind for steam system operators.
The CBT3192 is designed to automatically release excess pressure from steam boilers and associated piping, preventing potential overpressure incidents. Its right-angle (angle pattern) body design is particularly advantageous in space-constrained marine engine rooms, allowing for more flexible piping layouts and easier installation compared to inline valves. The external threaded connections provide a secure and leak-resistant interface with the steam lines.
Key Features and Technical Advantages:
- Durable Bronze Construction: The valve body and critical internal components are crafted from high-grade bronze alloy (typically CAC401 or equivalent UNS C83600). This material offers excellent corrosion resistance against steam and condensate, good machinability for precise sealing surfaces, and reliable performance over extended service life.
- Right-Angle (Angle Pattern) Design: This configuration features an inlet and outlet oriented at 90 degrees. It simplifies piping by eliminating the need for an elbow fitting, reduces pressure drop at the discharge point, and often allows for a more compact installation footprint, which is highly valued in marine applications.
- External Thread Connections: Available in standard thread types such as NPT (National Pipe Tapered), BSPP (British Standard Pipe Parallel), or BSPT (British Standard Pipe Tapered) to suit various international standards. The external threads facilitate a strong mechanical joint when paired with corresponding internal threaded fittings or unions.
- Precise Pressure Relief Mechanism: Utilizes a spring-loaded disc mechanism. The spring force is carefully calibrated against the set pressure. When system pressure exceeds the pre-determined set point, it overcomes the spring force, lifting the disc off its seat to allow steam to discharge through the outlet, thereby relieving the overpressure condition.
- Adjustable or Factory-Set Options: Depending on customer requirements, the valve can be supplied with an adjustable spring mechanism for field setting within a specified range or can be factory-preset and sealed to a specific pressure for applications requiring tamper-proof settings.
- Blowdown Adjustment: Many models include a means to adjust the blowdown (the difference between the set pressure and the reseat pressure). Proper blowdown adjustment ensures the valve closes promptly and tightly after relieving excess pressure, minimizing steam loss.
- Robust Sealing: Features precision-machined disc and seat surfaces to ensure a tight seal at operating pressures below the set point, preventing steam leakage and maintaining system efficiency.
Technical Specifications Table:
| Parameter | Specification / Description |
|---|---|
| Primary Material | Bronze Body & Trim (Standard) |
| Connection Type | External Thread (NPT, BSPP, BSPT options) |
| Body Pattern | Right-Angle (Angle Pattern) |
| Service Fluid | Saturated Steam |
| Pressure Class | Customizable (e.g., 150 PSI, 200 PSI common) |
| Temperature Range | Suitable for standard boiler steam temperatures |
| Set Pressure Accuracy | Within +/- 3% of set point (typical) |
| Discharge Capacity | Calculated per applicable standards; data available upon request |
Benefits for Your Operation:
- Enhanced Safety: Provides a reliable, automatic fail-safe to protect expensive boiler assets and personnel from the dangers of overpressure.
- Marine-Grade Reliability: Designed with the vibrations, space constraints, and corrosive atmosphere of marine environments in mind.
- Installation Flexibility: The right-angle design and threaded connections simplify integration into new or existing steam piping systems.
- Reduced Maintenance: Bronze construction resists corrosion and scaling, while the robust design minimizes the frequency of maintenance interventions.
- Regulatory Compliance: A properly sized and functioning safety valve is a fundamental requirement for boiler systems under various maritime and industrial safety codes.
Frequently Asked Questions (FAQ):
-
Q: What is the primary application of the CBT3192 valve?
A: This valve is specifically engineered as a safety relief device for saturated steam service in marine boiler systems. It automatically opens to discharge excess pressure, protecting the boiler and connected piping. -
Q: Why choose a right-angle design over a straight-through (inline) design?
A: The right-angle (angle pattern) design offers significant installation benefits. It often requires less space, can simplify piping layouts by incorporating a directional change at the valve itself, and may help manage the discharge flow direction more effectively in tight engine room spaces. -
Q: What thread standards are available for the connections?
A: We commonly provide external threads in NPT (American standard), BSPP (British parallel), or BSPT (British tapered). Please specify your required thread standard when inquiring or ordering to ensure compatibility with your existing fittings. -
Q: Can the set pressure be adjusted on-site, or is it fixed?
A> Both options are available. The valve can be supplied with an adjustable spring assembly for field setting within a defined range, or it can be factory-set to a specific pressure and sealed for tamper-proof applications. Clarify your need during the specification process. -
Q: How do I determine the correct size (orifice size) and set pressure for my boiler?
A: Valve sizing is critical and is governed by boiler capacity, maximum working pressure, and relevant safety codes (like ASME, etc.). We recommend providing your boiler's specifications (maximum allowable working pressure, heating surface, steam output) so our technical team can assist in recommending a suitably sized valve. -
Q: Is this valve suitable for other fluids besides steam?
A: The CBT3192 is designed and optimized for saturated steam service. Using it for other media (compressed air, hot water, chemicals) may not be appropriate due to material compatibility and performance characteristics. Consult with us for applications involving other fluids. -
Q: What kind of maintenance does this safety valve require?
A: Regular testing (lifting the valve manually via the test lever, if equipped) is recommended to ensure free movement. Periodic inspection and recalibration by qualified personnel are necessary to maintain its reliability and accuracy, as per standard boiler maintenance schedules. -
Q: What is your lead time and shipping capability?
A: As an established manufacturer with an annual export value in the range of US$1-1.5 million, we maintain efficient production and logistics. Lead times vary based on order specifics. We ship globally from major ports including Shanghai, Guangzhou, Hong Kong, and Beijing, serving our wide main markets across multiple continents.
Shanghai Zhibang Valve's dedication to manufacturing is reflected in our ISO9001 certification and our growing presence in international markets from North America and Europe to Southeast Asia and Africa. Our annual export volume is a testament to the trust placed in our products by global partners. The CBT3192 Marine Bronze Steam Safety Valve embodies this commitment, offering a dependable, marine-optimized safety solution. For safeguarding your boiler systems with a valve that combines proven design, durable materials, and manufacturer-direct reliability, we invite you to contact us for detailed specifications, pricing, and to discuss your specific application requirements.
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1Yr
Business Type
Manufacturer
Year Established
2016
Annual Export Value
US$1 Million - US$1.5 Million
Product Certifications
ISO9001
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