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incorporate a temperature sensor inside the valve, and operate independently of external power supplies.
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are powered by an external electric actuator, with control provided by a separate electronic control unit, and temperature sensing by resistance thermometer.
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are powered by an external pneumatic actuator, with control provided by a pneumatic controller with external temperature sensing.
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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.
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Gas Operated Valve Case Studies
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| Air conditioning system for fast ferriesWalton's 200mm gas operated valves regulate the air conditioning on a fleet of ferries for Superfast Ferries which were built to provide services between Greece and Italy, and also between Germany and Finland & Sweden...more |
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