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Help CenterWater Hammer Prevention S300x Slow Closing Check Valve, Industrial Water Applications
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Shanghai Sote Valve Co., Ltd., a professional valve manufacturer based in Shanghai, China, presents the S300x Slow Closing Check Valve – engineered to eliminate water hammer in industrial pipelines. This critical safety component protects your water systems from destructive pressure surges while ensuring unidirectional flow control with exceptional reliability.
Core Technical Advantages:
- Gradual Closure Mechanism: Patented spring-assisted design ensures 8-12 second closure time to dissipate shock waves
- Zero-Slam Performance: Prevents valve disc impact even under sudden pump stoppage conditions
- Maintenance-Free Operation: Stainless steel internal components with NBR seals withstand 500,000+ cycles
Technical Specifications Table:
| Parameter | Specification |
|---|---|
| Valve Type | Swing Check with Hydraulic Damper |
| Size Range | DN50-DN600 (2"-24") |
| Pressure Class | PN10/PN16 (150psi/232psi) |
| Temperature Range | -10°C to 80°C (14°F to 176°F) |
| Flow Coefficient (Cv) | 950 for DN300 model |
| Installation Angle | Horizontal pipelines only |
Industrial Application Benefits:
- Pump Protection: Reduces pump start/stop stress by 70% in water treatment plants
- Pipe Integrity: Prevents pipe joint fatigue in HVAC systems operating at 15+ bar
- System Longevity: Extends pipeline service life by eliminating hydraulic shock damage
- Noise Reduction: Lowers operational noise to <65 dB in high-rise building risers
Shanghai Sote Valve's 15+ years of industrial fluid control expertise ensures this valve meets rigorous operational demands. Our DN300 model has been deployed in over 200 municipal water projects across Asia with zero field failure reports since 2018. The corrosion-resistant epoxy coating provides 10-year exterior protection even in coastal environments.
FAQ Section:
Q1: What distinguishes this from standard check valves?
Unlike conventional check valves that slam shut, our hydraulic damper controls closure speed over 8-12 seconds to gradually stop reverse flow.
Q2: Is vertical installation possible?
This specific model requires horizontal pipeline installation due to its gravity-assisted closing mechanism.
Q3: What maintenance is required?
Designed for 5-year maintenance intervals. The stainless steel hinge pin and NBR seals require only visual inspection during routine checks.
Q4: Can it handle slurry fluids?
Not recommended for abrasive media. Optimal for clean water applications with <5% suspended solids.
Q5: What's the lead time for DN300 valves?
Standard DN300 units ship within 15 working days from our Shanghai facility. Expedited production available.
Q6: Are certifications available?
Manufactured per GB/T 13932 standard. Additional certifications available upon request.
Trusted by water utilities and industrial plants across 12 countries, Shanghai Sote Valve provides engineered solutions for critical flow control challenges. Contact our technical team today for system-specific sizing recommendations and pressure surge analysis.
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