High Performance Butterfly Valves China Factory and Reliable Suppliers
STORAEN high-performance butterfly valves are engineered for precision flow control in demanding industrial environments. Utilizing a quarter-turn rotating disc mechanism, these valves provide an efficient solution for cutting off and throttling fluids across various systems, including power plants, chemical processing, and water supply networks. From compact soft-seal designs to heavy-duty triple-eccentric models, our valves ensure reliable sealing and long-term operational stability.
Designed to excel where traditional valves fail, our butterfly valves integrate advanced material science and intelligent actuation. Whether you require corrosion-resistant 316L stainless steel for chemical pipelines or carbon steel for high-temperature flue gas ducts, STORAEN delivers customizable solutions from DN40 to DN1200. By optimizing the balance between lightweight construction and robust performance, we help industries reduce maintenance costs while maximizing flow efficiency.
Detailed Parameters
| Nominal Diameter | DN40 to DN1200 (Custom sizes available) | Pressure Rating | PN 0.6MPa, 1.0MPa, 1.6MPa up to 100MPa+ |
|---|---|---|---|
| Body Materials | HT300 Cast Iron, WCB Carbon Steel, 316L Stainless Steel | Temperature Range | -196°C (Cryogenic) to 450°C+ (High Temp) |
| Seal Types | Soft Seal (NBR/EPDM) & Hard Seal (Stainless Steel + Graphite) | Actuation Options | Manual (Worm Gear), Pneumatic, Electric, Hydraulic |
| Connection Type | Wafer, Lug, Flanged, Welded (ASME, DIN, JIS Standards) | Operation Angle | 90° Quarter-turn rotation |
| Eccentricity | Concentric, Double Eccentric, Triple Offset | Leakage Tolerance | ≤0.1mm for soft seals; Zero-leakage for triple offset |
Key Advantages
Zero-Leak Performance
Advanced double and triple eccentric geometry reduces friction by 40% and ensures bubble-tight shutoff for high-pressure gases and liquids.
Rapid Operation
The 90-degree quarter-turn mechanism allows for swift opening and closing, significantly reducing response time compared to gate valves.
Extreme Resilience
Utilizing WCB carbon steel and 316L stainless steel to withstand corrosive media and temperatures ranging from -40°C to 450°C.
Compact Footprint
Lightweight, streamlined design allows for installation in confined spaces, reducing overall piping system weight and installation costs.
Intelligent Control
ISO 5211 top flanges support seamless integration with pneumatic or electric actuators and 4-20mA PLC feedback systems.
Low Maintenance
Hard-seal metal-to-metal contact eliminates seat wear in abrasive media, cutting long-term maintenance requirements by 30%.
Product Gallery
Management Platforms
Custom Sizing
Tailored diameters from DN40 to DN1200 to match any industrial pipe network scale.
Material Optimization
Selection of HT300, WCB, or 316L based on specific media corrosion and heat levels.
Precision Actuation
Integrated worm gear reducers providing 5:1 torque multiplication for easy manual operation.
Quality Testing
Rigorous hydrostatic tests at 1.5x pressure rating for shells and 1.1x for seats.
Global Standards
Full compliance with ASME, DIN, and JIS connection standards for seamless global installation.
Lifecycle Support
Comprehensive 1-year warranty with 24/7 technical support and rapid spare parts delivery.
Investment Return Comparison
| Feature Comparison | Gate Valve | STORAEN Butterfly Valve |
|---|---|---|
| Operating Speed | Slow (Linear Motion) | Rapid (90° Quarter-Turn) |
| Space Requirement | Bulky / Large Footprint | Ultra-Compact / Lightweight |
| Flow Regulation | Poor Throttling | Excellent Throttling Control |
| Pressure Drop | Low (When fully open) | Minimal (Optimized Flow Path) |
| Maintenance Cost | Higher (Seat Wear) | 30% Lower (Durable Seals) |
Frequently Asked Questions
A double eccentric valve features an offset disc axis and seat angle to reduce friction. A triple offset valve adds a third offset (disc face tilt), allowing for metal-to-metal sealing, which is essential for extreme temperatures (450°C+) and high-pressure isolation.
For corrosive environments, we recommend 316L stainless steel for the body and disc, paired with PTFE or specialized hard seals to ensure maximum chemical resistance and prevent erosion.
Yes, unlike gate valves which are primarily for on-off service, butterfly valves are highly effective for throttling. When paired with an electric actuator and 4-20mA feedback, they offer precise regulation of fluid flow.
The worm gear reducer provides torque multiplication (typically 5:1), making it easy to operate large valves (e.g., 12-inch) and providing a self-locking feature that prevents the valve from moving due to pipeline pressure.
We employ a rigorous testing regime, including hydrostatic shell tests at 1.5x rated pressure and seat tests at 1.1x. For high-performance models, our eccentric geometry ensures a line-contact seal that eliminates leakage.
Absolutely. Our valves feature ISO 5211 mounting flanges, allowing them to be equipped with pneumatic or electric actuators that integrate directly with PLC systems for fully automated flow control.
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