Valve & Seat Design
Match the body, disc and seat materials to the fluid and service conditions.
ALFACOM ENGINEERING LTD.
Butterfly Valves
Compact disc-type valves for opening and closing piping systems. Suitability for isolation or regulation depends on the selected valve design, seat construction and operating conditions.
Butterfly Valves · ALFACOM catalogue
THE PRODUCT RANGE
Explore the Range
Explore the equipment and selection topics below, then review the detailed catalogue for the selected product.
Use the guidance below to define the required valve arrangement. Send your specification or an existing valve reference for model selection.
Installation
Check flange standard, disc clearance and the installation instructions for the selected model.
Operation
Specify manual, pneumatic or electric operation and required control or feedback accessories.
Discuss Your Butterfly Valve Requirement
Send the application requirements or a photo of the existing valve to ALFACOM for help identifying an appropriate option and the relevant technical documentation.
Valve and Seat Selection
Specify the fluid, concentration, operating temperature and differential pressure across the closed valve. Match the seat, disc, shaft and body materials to the service. Identify the required shut-off performance and operating frequency before selecting the valve configuration.
Installation and Flange Compatibility
Provide pipe size, flange standard, pipe bore and the required wafer, lug or flanged arrangement. Check disc clearance to the pipework and adjacent equipment, face-to-face dimensions and the model-specific installation instructions. Any end-of-line service must be verified for the exact valve configuration.
Manual or Automated Operation
State whether a lever, gearbox or actuator is required and describe the operating sequence. Actuator selection requires the valve manufacturer's torque data at the actual service conditions, available air or electrical supply, required fail position and operating time.
APPLICATION BEFORE SPECIFICATION
Selection Starts with Your Application
Provide the fluid, pressure, temperature, nominal size, flange standard, body, disc and seat requirements, installation space and required operation. Confirm disc clearance, mating flange suitability and operating requirements using the selected model documentation.
Catalogue & Technical Documents
Review the model-specific technical information and installation requirements. Send a specification, drawing or existing model reference if you need help selecting equipment.
Discuss Your Application
Send your requirements or a photo of the existing equipment for technical assistance and a quotation.
Availability and lead time are confirmed for the requested model and quantity.