China Flanged Butterfly Valve Suppliers - Ductile Iron & PTFE, DN50-DN2400, Reliable Factory Quality
Product Specification
| Product name | Butterfly valve | Body/Disc Material | Ductile Iron |
| Type | Flanged | Shaft | SS304/SS316 |
| Size | DN50-DN2400 | Seal | PTFE |
| Operation | Handle/Worm gear/Electric/Hydraulic/Peneumatic | Standard | DIN/ANSI/GOST/JIS/BS |
Product Description
Flange-connected butterfly valves stand out as reliable fluid control solutions, distinguished by their flange-integrated structure that ensures secure pipeline attachment. Their core design features a valve body with integral flanges, a rotating disc, a central shaft, and a sealing assembly—all engineered for seamless integration and leak-proof performance. The flanges, drilled with bolt holes, enable direct connection to pipeline flanges via fasteners, eliminating the need for extra adapters and enhancing structural stability.
Material selection is tailored to operational demands: carbon steel bodies suit general industrial use, stainless steel variants resist corrosion for chemical or marine applications, and alloy steel models handle high temperatures in power plants. The disc and sealing components often adopt PTFE or EPDM for soft sealing, while metal-to-metal hard seals cater to high-pressure scenarios, ensuring tight closure even under extreme conditions.
These valves excel in industries requiring robust connections: oil and gas pipelines leverage their pressure resistance, water treatment plants benefit from their easy maintenance, and chemical processing facilities rely on their corrosion resistance. They also find use in HVAC systems and industrial boilers, where flange connections simplify installation and replacement.
Operation modes range from manual handwheels for small-scale setups to pneumatic or electric actuators for large industrial systems. Automated versions enable remote control and precise flow adjustment, reducing downtime and improving operational efficiency in complex pipelines.
