Eccentric Half Ball Valve for Water Treatment Plants, Anti-Corrosion Coating, PN10/16 Rating
Shanghai Sote Valve Co., Ltd., a trusted manufacturer with ISO9001-certified quality systems, presents its Eccentric Half Ball Valve engineered for demanding water treatment applications. This valve features a specialized anti-corrosion coating that ensures longevity in aggressive environments while maintaining PN10/16 pressure ratings for reliable pipeline control. Our decades of expertise in serving global markets including North America, Europe, and Southeast Asia guarantee a product designed to reduce maintenance costs and operational downtime.
Core Technical Advantages:
Eccentric disc design minimizes torque requirements by 40% compared to conventional valves, enabling smoother operation even under high-pressure conditions.
Triple-layer epoxy powder coating (350μm) provides corrosion resistance in chloride-rich water treatment processes, validated by 2,000-hour salt spray testing.
Bidirectional sealing capability with resilient EPDM seats ensures zero leakage (Class A) across 10,000+ operational cycles.
Low-friction polymer bearings eliminate metallic contact points, reducing wear and extending service intervals by 3x.
Engineering Specifications:
| Parameter | Standard Value | Optional |
|---|---|---|
| Body Material | Ductile Iron EN-GJS-500-7 | SS304/SS316 |
| Operating Temp | -10°C to 120°C | -30°C to 150°C |
| Flow Coefficient | Kv 450 (DN100) | Custom profiles |
The valve's hydrodynamic profile reduces head loss by 25% compared to standard butterfly valves, significantly lowering pumping energy costs in large-scale water distribution systems. All critical components undergo 100% pressure testing at 1.5x PN rating according to EN 12266-1 standards. Optional gearbox actuators with IP68 protection are available for submerged installations or automated control systems.
Operational Benefits:
Maintenance Reduction: Stainless steel stem with triple O-ring seals prevents gland packing degradation, eliminating routine adjustments.
Installation Flexibility: Direct replacement for gate valves with 50% shorter face-to-face dimensions (EN 558 Series 20).
Water Quality Protection: WRAS-approved materials prevent chemical leaching in potable water applications.
Backed by our presence across 6 continents and OHSAS18001-certified manufacturing facilities in Shanghai, this valve delivers proven reliability in over 120 water treatment projects globally. Our technical support team provides lifetime access to installation manuals and 3D CAD models for seamless integration. Contact us today to discuss how this valve can reduce your total cost of ownership while meeting AWWA C515 standards.
Frequently Asked Questions:
Q1: Is this valve suitable for seawater intake systems?
A: Yes, when ordered with optional 316L stainless steel components and reinforced NBR seats, it withstands chloride concentrations up to 35,000 ppm.
Q2: What is the lead time for DN400 valves?
A: Standard sizes ship within 15 days; non-stock sizes require 30-45 days production time.
Q3: Can it handle slurry media in wastewater plants?
A: The full-bore design with abrasion-resistant coating is recommended for solids content below 15% by volume.
Q4: Are test reports provided with shipment?
A: Each valve includes material certificates and hydrostatic test records compliant with EN 10204 3.1.
Q5: What maintenance is required?
A: Only annual visual inspection and lubrication of external moving parts under normal conditions.
Q6: Is pneumatic actuation available?
A: Yes, double-acting or spring-return actuators can be factory-mounted upon request.
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