Product

Flange Type Concentric Butterfly Valve

Resilient-seated, quarter-turn rotary valve designed for reliable flow shutoff and control in low to medium pressure systems. Its centerline design positions the disc in the center of the valve body, while the soft elastomer seat ensures tight, bubble-free sealing. With a flanged connection for easy installation and maintenance, this valve is ideal for water, air, gas, and light chemical applications in a wide range of industries.

Benefits

Excellent sealing performance: Bubble-tight shutoff with soft elastomer seat
Simple, compact design: Space-saving and easy to install
Corrosion-resistant options: Available with epoxy-coated body and stainless-steel components
Cost-effective: Affordable solution for general-purpose flow control
Low torque operation: Suitable for manual or automated actuation
Maintenance-friendly: Seat and disc can be easily replaced

Technical Data

Parameter	Details
Function	On/Off and throttling (quarter-turn rotary operation)
Connection Type	Flanged (DIN, ANSI, JIS standards available)
Material	Body: Ductile Iron, Cast Iron, Stainless SteelDisc: Ductile Iron, Stainless Steel, Nylon-coatedSeat: EPDM, NBR, PTFE, VITON
Max. Nominal Pressure	PN10 / PN16 / Class 150
Max. Nominal Size	DN50 ~ DN1200 (2” ~ 48”)
Allowable Fluid Temperature	-10°C to +120°C (depending on seat material)

Sectional Drawings

Applications

Water supply and distribution networks
HVAC and building systems
Wastewater treatment plants
Fire protection systems
Food and beverage processing
Light-duty chemical and industrial pipelines