CE Certification Flanged Butterfly Valve - Durable & Efficient Flow Control Suppliers, Supplier
Product Description
Product Performance Specification
Flanged butterfly valves stand out as a preferred flow control solution across industries, offering compelling benefits that balance performance, efficiency, and cost-effectiveness:
Easy Installation & Maintenance
Flanged ends enable secure, bolt-on connection to pipelines without complex fittings. The compact design simplifies disassembly and maintenance, reducing downtime and labor costs.
Low Flow Resistance
The streamlined disc design minimizes pressure drop when fully open, optimizing fluid flow efficiency and reducing energy consumption for pumping systems.
Fast Operation
Quarter-turn (90-degree) actuation allows quick on-off or throttling control, ideal for applications requiring rapid flow adjustment.
Space-Saving & Lightweight
Compared to gate or globe valves, they are smaller and lighter, making them perfect for tight installations or weight-restricted environments.
Reliable Sealing
Advanced sealing materials (e.g., EPDM, PTFE) ensure leak-tight performance across diverse media (water, oil, gas, corrosives), enhancing system safety.
Cost-Effective
Lower manufacturing and installation costs, combined with long service life (thanks to durable materials like 304/316 stainless steel), deliver excellent total cost of ownership.
Versatility
Compliant with international standards (API, ANSI, DIN) and available in various sizes, pressure ratings (PN10-PN40, Class 150), adapting easily to all industrial applications.
Flanged butterfly valves are widely utilized across industrial and municipal sectors for their versatile, reliable flow control. In municipal water treatment, they regulate clean water, sewage, and reclaimed water flow, with corrosion-resistant materials adapting to harsh wastewater conditions. In oil & gas and chemical industries, they handle crude oil, natural gas, and corrosive fluids, ensuring leak-tight sealing under medium pressure. HVAC systems rely on them for heating/cooling water circulation, while power plants use them in boiler feedwater and condensate lines. Marine and shipbuilding applications benefit from their compact design for ballast and bilge systems. Compliant with global standards, they meet diverse flow, pressure, and media demands, proving indispensable for on-off/throttling tasks in infrastructure and industrial operations.
In the market, the demand for flange butterfly valves continues to rise steadily. The growth of industries such as petrochemicals, water treatment, and power generation drives the market expansion. Technological advancements, including the development of more durable materials and intelligent control features, further fuel market growth. Meanwhile, increasing environmental regulations and the emphasis on sustainable development prompt industries to seek more efficient and reliable fluid control solutions, enhancing the competitiveness of flange butterfly valves.
Main Component Materials
| Component Name | Materials |
|---|---|
| Valve body | Ductile iron lined with rubber, Stainless steel lined with rubber, Carbon steel lined with rubber, Copper lined with rubber, Ductile iron lined with PTFE, Stainless steel lined with PTFE, Carbon steel lined with PTFE, Copper lined with PTFE, etc. |
| Shaft sleeve | Lubricating bronze, PTFE |
| Valve shaft | Stainless steel, Carbon steel electroplating, Alloy steel 17-4, 420 steel, 416 steel |
| Valve plate | Galvanized ductile iron plate, Nylon coated ductile iron plate, Ductile iron lined PTFE plate, Stainless steel plate, Dual phase steel plate, Carbon steel plate, Copper plate |
| Pin | Stainless steel, Monel alloy, Hastelloy alloy, etc. |
| O ring | FPM, NBR |
Packaging & Delivery
Frequently Asked Questions (FAQ)
Flanged butterfly valves are suitable for a wide range of industries including municipal water treatment, oil & gas, chemical processing, HVAC systems, power generation, and marine shipbuilding for both flow regulation and shut-off tasks.
Flanged ends provide direct bolt-on connections to pipeline flanges, offering exceptional structural stability, easier alignment, and simplified disassembly for maintenance without disrupting adjacent pipeline sections.
We offer valve bodies lined with PTFE or specialized rubber compounds (such as EPDM, NBR, and FPM) along with stainless steel, Hastelloy, or Monel components to ensure max corrosion resistance against harsh fluids.
Our flanged butterfly valves conform to key international standards including API, ANSI, and DIN specifications, accommodating standard pressure ratings such as PN10 to PN40 and Class 150.
Their lightweight and compact design lowers initial purchasing and shipping costs. Additionally, the low pressure drop when open reduces pumping energy requirements, while durable sealing materials ensure long maintenance cycles.
