Butterfly Valves
Rigid flanged body design for municipal water, transmission pipelines and large-diameter applications.
Engineered around the medium, pressure, temperature and operating duty.
Rigid double-flanged butterfly valve for plant-room, buried and large-diameter pipeline service. The flanged body supports accurate alignment and dependable long-term operation.
Greysen reviews the complete operating case before confirming the valve. Body style, wetted materials, sealing system, connection standard and operator are matched as one project configuration.
DESIGN DETAILS
Rigid body construction supports large-diameter pipeline service.
Flanged ends simplify alignment and provide secure installation.
Gearbox or actuator sizing can be matched to differential pressure.
Coating systems can be selected for buried or corrosive environments.
CONFIGURATION OPTIONS
Material combinations are reviewed against corrosion, erosion, temperature and required service life. The final approved data sheet defines every pressure-containing and wetted component.
Ductile iron, carbon steel or fabricated steel
Stainless steel or coated ductile iron disc; stainless shaft
EPDM, NBR or application-specific seating
Double flanged
VALVE + OPERATOR
Manual and automated packages are selected using the valve operating load, maximum differential pressure, required speed and available site utilities.
Lever, handwheel or gearbox options are matched to size, torque and access.
Double-acting or spring-return packages can include solenoid, switch box and positioner.
On/off or modulating actuators are configured for voltage, duty, enclosure and control signal.
Torque or thrust, safety factor, mounting interface, travel time and fail position are checked together.
APPLICATION REVIEW
PROJECT SUPPORT
Request the documents required for consultant review, procurement and site handover. Availability is confirmed for the selected product and order.
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