Butterfly Valves are quarter-turn rotary valves that use a flat, circular disc mounted on a central or offset stem in the middle of the pipe to control flow. When the valve is fully open, the disc rotates parallel to the flow, and when closed, it seals against a seat in the valve body.

Fluids: Water, Air, Chemicals, Steam, Water

Industrial Applications: HVAC, Food & Beverage, Water Treatment, Marine

Connection Methods: Wafer, Lugged, Double Flanged, Grooved

Highlights: Compact Design, Quick Operation

Considerations: Disc Causes Pressure Drop, Limited Throttling Precision

SPECIFICATIONS

• Materials: Ductile Iron, Cast Iron, Carbon Steel, Stainless Steel, Aluminium, Bronze

• Types: Concentric, Double Eccentric, Triple Eccentric, Wafer Type, Lug Type, Flanged

• Sizes: 1 1/2" to 120"

• Pressure Ratings: Class 150 to 1500, PN6 to PN40

• Standards: API 609, ASME B16.34, AWWA C504, MSS-SP-67, MSS-SP-67, MSS-SP-68