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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.

Direct Operated Valve Case Studies

Aluminium bronze valves for Astute Class submarines

When the builders of the latest class of nuclear-powered attack submarines for the UK’s Royal Navy needed temperature control valves for the vessels’ reactor cooling circuits, they turned to Walton Engineering...more

Auxiliary cooling control for Anchor Handling Tugs

Walton Engineering are pleased to have been selected to supply direct (self) operated valves to control the temperature of auxiliary systems on a fleet of 12 anchor handling supply tugs...more

Compressor lubricating oil for Qatar oil refinery

A valve was required to control the temperature of lubricating oil on a compressor to be supplied to the Al Shahdeen oil refinery in Qatar...more

Gas Turbine lubricating oil for Bratislava refinery

In 2008 a catalytic hydrocracking plant at the Slovnaft refinery in Bratislava in the Slovak Republic was being upgraded...more

Pump Seal system for Russian chemical plant

As part of an upgrade of the Nevinnomyssky Azot urea processing plant in Russia, a new Flowserve pump was required...more

Pump lubricating oil systems for El Merk project, Algeria

Walton temperature control valves have been selected for a demanding application at the El Merk oilfield in the Algerian Sahara...more

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...more

Temperature control mechanism installed within engine or gas turbine

Walton Engineering has long-standing, established relationships with major diesel engine and industrial gas turbine manufacturers...more

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