METAL SEATED
How to Select a Metal-Seated Butterfly Valve
A practical guide to temperature, pressure, medium, sealing materials and triple-offset geometry.
Read guide →KNOWLEDGE CENTER
Technical decisions, explained for procurement and engineering
Practical guidance for valve selection, installation and operating-condition review.
CONNECTIONS
Wafer vs Flanged Butterfly Valves
Connection type affects installation space, alignment, piping support and maintenance strategy.
Read guide →SEALING
Resilient-Seated vs Metal-Seated Butterfly Valves
Seat selection starts with temperature, medium compatibility and shut-off expectations.
Read guide →MATERIALS
EPDM vs NBR Butterfly Valve Seats
Elastomer selection must follow the exact medium, temperature and concentration.
Read guide →PRESSURE
PN10 vs PN16 Butterfly Valves
Pressure class changes more than the label: confirm flange drilling, body design and system pressure.
Read guide →ACTUATION
Manual, Pneumatic or Electric Actuation
Choose actuation from operating frequency, control philosophy, utilities and fail-position needs.
Read guide →INSTALLATION
Butterfly Valve Installation Guide
Alignment, disc clearance, gasket practice and controlled bolt tightening help avoid installation damage.
Read guide →SELECTION
Butterfly Valve Selection Checklist
A concise procurement checklist for medium, DN, PN, temperature, materials, connection and actuation.
Read guide →MAINTENANCE
Butterfly Valve Troubleshooting
Start with symptoms, installation and service changes before deciding on corrective action.
Read guide →