High Pressure Reducing Valve DN15-DN300 for Water Systems With Low Noise & High Accuracy
As a leading valve manufacturer certified with ISO9001, ISO9004, and OHSAS18001, Shanghai Sote Valve Co., Ltd. proudly presents our High Pressure Reducing Valve engineered for precision water pressure control. Strategically located in Shanghai, we've supplied reliable fluid control solutions to over 100 countries including North America, Western Europe, and Southeast Asia. This DN15-DN300 series combines German hydraulic design with aerospace-grade sealing technology to deliver consistent pressure regulation within ±3% deviation – making it ideal for municipal water networks, high-rise buildings, and industrial cooling systems where flow stability is critical.
Core Advantages:
- Silent Operation: Helmholtz resonator chamber reduces noise to 62 dB(A) at 16 bar – 40% quieter than conventional valves
- Zero Maintenance: PTFE-coated stainless steel diaphragm withstands 500,000 cycles without degradation
- Adaptive Control Self-regulating pilot system compensates for upstream pressure fluctuations from 1.6 to 40 bar
Technical Specifications:
| Parameter | DN15-DN50 | DN65-DN150 | DN200-DN300 |
|---|---|---|---|
| Max Inlet Pressure | 25 bar | 25 bar | 16 bar |
| Outlet Pressure Range | 1-10 bar | 1-12 bar | 1-8 bar |
| Flow Coefficient (Kv) | 4-25 m³/h | 30-220 m³/h | 350-1250 m³/h |
Installation Benefits: Our integrated bypass valve allows continuous operation during maintenance, while the tamper-proof adjustment screw prevents unauthorized pressure changes. The epoxy-coated ductile iron body provides 20-year corrosion resistance in chloride-rich environments. For thermal power plants, we offer an optional heat-resistant version with metal bellows (200°C rated).
Trusted by water authorities across 15+ countries including Australia (AS 2638 certified) and Singapore (PUB approved), Sote valves undergo 7-stage quality verification: from 3D laser scanning of castings to 72-hour endurance testing. Our Eastern Asia service network ensures 48-hour technical response and 15-day emergency delivery for DN200+ valves. Contact our Shanghai HQ today for hydraulic calculation reports and BIM models – let our 12 engineers tailor solutions for your specific system pressure challenges.
FAQ:
-
Q: Can this valve handle hot water applications?
A: Standard models suit cold water ≤50°C. For steam/hot water systems, we provide bellows-sealed versions rated for 200°C. -
Q: Is pilot tubing included?
A: DN15-DN100 models include pre-assembled stainless steel tubing. Larger sizes require field installation. -
Q: What maintenance is needed?
A: Our self-cleaning strainer prevents clogging. Recommend annual diaphragm inspection in high-sediment environments. -
Q: Are flanges compliant with ANSI standards?
A: Yes, DN65+ valves feature PN16/PN25 flanges per EN 1092-2. ANSI B16.5 flanges available upon request. -
Q: How is accuracy guaranteed?
A: Each valve is factory-tested at 5 pressure points. Accuracy class A per EN 1567 maintains ±3% deviation. -
Q: Can it be installed vertically?
A: Horizontal installation recommended. Vertical mounting possible with upstream strainer (accessory code: SOTE-VMK).
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