How do limit switches work?
Limit switches are mounted to valve actuators to provide an electrical signal indicating when a valve has reached its open or closed position. They use mechanical or proximity sensing to trigger a signal, allowing integration with control systems for monitoring and automation.
Advantages of limit switches ...
• Reliable open/close position feedback
• Integrates with plant control systems
• Suitable for safety interlocks
• Low maintenance, long service life
• Integrates with plant control systems
• Suitable for safety interlocks
• Low maintenance, long service life
Technical Parameters:
Temperature Range
Typically –20 °C to +80 °C
Extended‑temperature models: –40 °C to +120 °C (Dependent on enclosure and seal materials)
Extended‑temperature models: –40 °C to +120 °C (Dependent on enclosure and seal materials)
Size Range
Varies by actuator mounting - common interface patterns ISO 5211 compliant
Materials
Aluminium, stainless steel, engineered polymers, elastomers (NBR, FKM)
Industry Application:
EFW
Oil & Gas
Power
