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Direct operated valves

Direct operated valves

incorporate a temperature sensor inside the valve, and operate independently of external power supplies.

Electrically operated valves

Electrically operated valves

are powered by an external electric actuator, with control provided by a separate electronic control unit, and temperature sensing by resistance thermometer.

Pneumatically operated valves

Pneumatically operated valves

are powered by an external pneumatic actuator, with control provided by a pneumatic controller with external temperature sensing.

Gas operated valves

Gas operated valves

are designed to control refrigerant gas pressures – and hence the temperature of refrigerated or air-conditioned areas – in marine systems in which the condenser is cooled by sea water.

Standby diesel generators for Sizewell B nuclear power station

The reliability of Walton's valves make them ideally suited for use on emergency power generators.

Standby diesel generators for Sizewell B nuclear power station  One example of this demanding application is the use of Walton direct operated valves to control the temperature of standby diesel generators installed at the UK's Sizewell 'B' nuclear power station. These generators would play a vital role in providing emergency power to the plant in the event of a major failure.

Sizewell 'B' began operating in 1995 and has a capacity of 1188MW. The plant is expected to continue operating until 2035.

  
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