Engineered for modulating control, Wegman’s throttling service butterfly valves offer stable, repeatable flow regulation. Ideal for process systems requiring accurate control over a wide range of flow conditions, these valves are optimized for integration with electric or pneumatic actuators and positioners.
Throttling Service Butterfly Valves


Established 1797

Same day delivery

Responsibly sourced



Specifications
Size
DN 50 to DN 1200 (2” to 48”)
Pressure Class
PN 10 / PN 16 / ANSI 150
End Connections
Wafer, Lug, Flanged
Materials
Ductile Iron, Stainless Steel, Carbon Steel
Seats
High-performance elastomers, PTFE, Metal (for modulating duty)
Actuation
Electric (modulating), Pneumatic (positioner-controlled)
Design Standards
EN 593, ISO 5752, Control valve compliant design
Test Standards
EN 12266-1, ANSI/FCI 70-2 (control valve leakage classes)
For other material configurations or questions please get in contact