DE2952564C1
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Boiler
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DE2948841A1
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BACKFLOW PREVENTION
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DE2941343A1
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THERMOSTAT VALVE, ESPECIALLY THERMOSTATIC HEATER VALVE
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DE2917090A1
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BACKWASHABLE FILTER DEVICE, IN PARTICULAR FOR A HOUSEWATER SYSTEM
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DE2901282A1
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Thermostatic actuator with thermally expanding filler - has piston projecting from housing at both ends for push and pull actuation
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DE2850530A1
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Compact room heating radiator valve - has in=line supply and return openings with flexible sleeve controlling return flow
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EP0000768A1
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Hot and cold water mixing device
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US4231548A
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Balance valve disc and seat structure
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CA1085369A
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Balanced valve structure
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US4216902A
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Thermostatic control valve
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US4231386A
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Differential pressure relief valve
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CA1085262A
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Differential pressure relief valve
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DE2756118A1
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Thermostat valve for heating system radiators - has sleeve with slider and aligned notch-shaped, flow-control apertures
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US4185656A
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Dual check valve structure
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ATA845277A
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Washbasin with safety valve
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DE2751468A1
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BACKFLOW PREVENTORS
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US4176786A
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Concealed thermostatic control valve
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DE2747969A1
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CONTROL DEVICE FOR A HEATING SYSTEM
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DE2737083A1
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RADIATOR VALVE
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DE2719671A1
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Electromagnetic straight through valve - has side channel leading to pressure chamber for membrane engaging closure piece piston
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