| Customization: | Available |
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| Media: | Water |
| Temperature: | Ordinary Temperature |
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Product Overview
Our top-of-the-line industrial-grade stainless steel threaded check valve is an exceptional automatic non-return valve, crafted to perfection for liquid and gas pipeline systems. Constructed from premium stainless steel, this valve boasts outstanding corrosion resistance, high-pressure tolerance, and thermal stability. It stands as the ideal choice for rigorous applications in chemical processing, petroleum, water treatment, and HVAC systems. This valve guarantees unidirectional flow, providing crucial protection for essential equipment against backflow damage.
Construction & Design
1. Materials
- Body/Bonnet: Made from high-end 304/316 stainless steel, this component promises excellent corrosion resistance.
- Disc: Crafted from stainless steel or robust reinforced engineering polymer (POM) for ultimate durability.
- Seals: Available in EPDM, NBR, or FKM options to ensure compatibility with various media.
- Connection: Threaded, conforming to G/NPT/BSP standards for a secure and reliable installation.
2. Key Features
- Spring-assisted closure: Select models feature a spring-assisted closure to ensure rapid response and effective water hammer prevention.
- Low-pressure drop: The flow path is meticulously optimized to minimize system resistance, reducing pressure drop.
- Compact footprint: Its space-saving design is perfect for installations where space is a premium.
- Maintenance-free operation: The self-actuating mechanism operates without the need for external control, ensuring hassle-free performance.
Operating Principle
The valve ingeniously operates on differential pressure: When fluid pressure lifts the disc, forward flow is permitted, while reverse flow automatically initiates disc closure via gravity, spring force, or backpressure, effectively preventing any backflow.
Technical Specifications
- Media Compatibility: Capable of handling water, oils, steam, gases, and mildly corrosive fluids with ease.
- Pressure Rating: Rated between 0.6-4.0 MPa, with higher ratings available for more demanding applications.
- Temperature Range: Efficiently operates from -20°C to 180°C, depending on the selected seal material.
- Connection Sizes: Available in sizes DN15-DN100 (½"-4"), with custom sizes available upon request.
- Cracking Pressure: Adjustable in spring-assisted models, ranging from 0.05-0.1 MPa to meet specific needs.
Typical Applications
- Petrochemical: Ideal for pipeline transport and tank inlets/outlets, ensuring efficient operations.
- Water Treatment: Perfect for pump discharges, filtration systems, and desalination processes.
- HVAC: Suitable for boiler feedwater and cooling circuits, enhancing operational efficacy.
- Food/Pharma: Designed for sanitary pipelines, with GMP-compliant versions available.
- Industrial Machinery: Optimized for use in compressors, hydraulic systems, and fire protection setups.
Product Advantages
1. Superior Reliability: The corrosion-resistant construction guarantees leak-free performance, providing unmatched reliability.
2. Reduced Maintenance: The self-operating design significantly cuts down on service requirements, saving time and resources.
3. Broad Compatibility: Versatile enough to suit diverse media and piping standards, it adapts seamlessly to various environments.
4. System Protection: Spring-assisted models are engineered to effectively mitigate hydraulic shocks, protecting your system.
Installation & Maintenance
- Orientation: Ensure installation with the flow arrow matching the media direction for optimal performance.
- Maintenance: Regular inspection of disc movement and seal integrity is recommended for longevity and efficiency.
| Working pressure | PN16 |
| Suitable medium | Water, gas, air and some corrosive liquid |
| Investment | Casting body and cap |
| Delivery time | Usual 15 days |
| Shipping port | NingBo,YiWu |
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