| Customization: | Available |
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| Media: | Water |
| Temperature: | Ordinary Temperature |
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Product Overview
Introducing our top-tier industrial-grade stainless steel threaded check valve, a highly efficient automatic non-return valve specifically engineered for both liquid and gas pipeline systems. Crafted from premium stainless steel, this valve is distinguished by its outstanding corrosion resistance, capacity to withstand high pressure, and excellent thermal stability. This makes it the perfect solution for rigorous applications across chemical processing, petroleum sectors, water treatment facilities, and HVAC systems. Designed to guarantee unidirectional flow, it safeguards your critical equipment from potential backflow damage.
Construction & Design
1. Materials
- Body/Bonnet: Constructed from 304/316 stainless steel, offering unmatched corrosion resistance.
- Disc: Crafted from stainless steel or reinforced engineering polymer (POM) for enhanced durability.
- Seals: Available in EPDM, NBR, or FKM options to ensure compatibility with diverse media.
- Connection: Threaded (G/NPT/BSP standards) for robust and secure installation.
2. Key Features
- Spring-assisted closure: Featured in select models to enable rapid response and mitigate water hammer.
- Low-pressure drop: Expertly optimized flow path design to minimize system resistance.
- Compact footprint: Ingenious, space-saving design perfect for installations with space constraints.
- Maintenance-free operation: Self-actuating mechanism requires no external control, enhancing convenience.
Operating Principle
This valve functions on the principle of differential pressure-fluid pressure elevates the disc to allow forward flow. Conversely, reverse flow automatically closes the disc through gravity, spring force, or backpressure, effectively preventing backflow.
Technical Specifications
- Media Compatibility: Suitable for water, oils, steam, gases, and mild corrosive fluids.
- Pressure Rating: Ranges from 0.6-4.0 MPa, with options for higher ratings available.
- Temperature Range: Operates efficiently between -20°C to 180°C, contingent on seal material.
- Connection Sizes: Available in DN15-DN100 (½"-4"), with custom sizes offered upon request.
- Cracking Pressure: Adjustable from 0.05-0.1 MPa in spring-assisted models.
Typical Applications
- Petrochemical: Ideal for pipeline transport and tank inlets/outlets.
- Water Treatment: Perfect for pump discharges, filtration systems, and desalination processes.
- HVAC: Suited for boiler feedwater and cooling circuits.
- Food/Pharma: Applicable in sanitary pipelines with GMP-compliant versions available.
- Industrial Machinery: Suitable for compressors, hydraulic systems, and fire protection.
Product Advantages
1. Superior Reliability: Corrosion-resistant build promises leak-free performance and longevity.
2. Reduced Maintenance: The self-operating design significantly lowers service and maintenance needs.
3. Broad Compatibility: Compatible with a wide range of media and piping standards.
4. System Protection: Spring-assisted models effectively mitigate hydraulic shock.
Installation & Maintenance
- Orientation: Ensure installation aligns with the flow arrow to match the media direction.
- Maintenance: Regular inspection of disc movement and seal integrity is advisable.
| 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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