Heavy-Duty Flanged Butterfly Valves for Water Systems

When water flow control demands reliability, our flanged butterfly valve solutions deliver exceptional performance. Designed for DN200-350 pipelines handling 1.0-1.6MPa water systems, these valves feature rugged gray cast iron bodies with precision-engineered flange connections. Whether you need standard double flanged butterfly valve configurations or specialized butterfly flange valve designs, our products combine durable construction with smooth manual operation for long-term service in municipal, industrial, and commercial applications.

Why Choose Our Butterfly Flange Valve Solutions?

As specialists in large-diameter water control, we engineer our flanged butterfly valve products to outperform in demanding environments. The double flanged butterfly valve design provides superior connection integrity for high-flow applications, while our standard butterfly flange valve models offer cost-effective solutions for general water distribution. The precision-machined butterfly flange surfaces ensure leak-proof performance, and our heavy-duty butterfly double flange configurations handle the toughest pressure surges. With manual operation optimized for easy adjustment, these valves maintain reliable flow control through years of continuous service.

Superior Flow Control with Flanged Butterfly Valves

Our flanged butterfly valve series delivers exceptional flow characteristics for DN200-350 water mains. The quarter-turn operation provides quick adjustment, while the robust disc and seat design maintains precise control even at full 1.6MPa pressure. The flanged butterfly valve features a low-profile design that saves space compared to gate valves, making installation easier in congested areas. The gray cast iron construction resists corrosion in water service, and the precision-machined butterfly flange connections ensure perfect alignment with existing pipeline flanges. These valves are ideal for water treatment plants, distribution networks, and industrial water systems requiring reliable large-diameter control.

Enhanced Sealing with Double Flanged Butterfly Valves

For critical applications demanding maximum connection integrity, our double flanged butterfly valve provides superior performance. This design features flanges on both sides of the valve body, creating a more robust connection point that resists pipeline stresses. The double flanged butterfly valve is particularly valuable in systems experiencing vibration or pressure fluctuations, as the dual-flange configuration distributes forces more evenly. Available in full DN200-350 sizing, these valves maintain all the operational benefits of standard butterfly flange valve designs while offering enhanced durability for demanding installations.

Durable Construction of Butterfly Flange Valves

Every component of our butterfly flange valve products is engineered for long service life. The gray cast iron bodies provide excellent strength-to-weight ratio, while the stainless steel stems and discs resist corrosion. The butterfly flange surfaces are precision-machined to match standard flange dimensions, ensuring proper gasket compression and leak-free performance. The manual operators feature ergonomic handles and position indicators for easy adjustment, even in large DN350 sizes. Whether used in potable water systems, irrigation networks, or industrial processes, our butterfly flange valve products deliver reliable performance with minimal maintenance requirements.

Heavy-Duty Butterfly Double Flange Solutions

When standard connections aren't enough, our butterfly double flange valves provide the ultimate in connection security. These heavy-duty versions feature reinforced flange designs that handle higher pipeline stresses and frequent pressure changes. The butterfly double flange configuration is particularly valuable in pump discharge applications, water towers, and other high-stress installations. Despite their rugged construction, these valves maintain the same smooth quarter-turn operation as standard models, with optimized flow characteristics that minimize pressure drop across the valve.

FAQs About Flanged Butterfly Valves

What sizes are available for your flanged butterfly valves?

Our flanged butterfly valve products cover DN200-350 sizes, perfect for main water line applications.

How does a double flanged butterfly valve differ from standard models?

The double flanged butterfly valve provides reinforced connections on both sides for enhanced durability in high-stress installations.

Can your butterfly flange valves handle 1.6MPa pressure?

Yes, all our butterfly flange valve products are rated for 1.0-1.6MPa water service with margin for pressure surges.

What maintenance do your valves require?

Our butterfly double flange valves are designed for minimal maintenance, with only occasional lubrication needed for the stem.

Where can I get installation dimensions for your valves?

Visit our website to download complete dimensional drawings for all our flanged butterfly valve products.