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US4037619A
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Three-point regulator with feedback
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Device for fine adjustment of the tool seat of a machine tool
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Thermostatically controlled temp. regulator, without auxiliary energy - safety device has at least two independent thermostats
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Thermostatically controlled temperature control unit - uses no auxiliary energy and has a safety thermostat and sensor
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Drive for cut-off and similar control devices - has a control element operated by an electric motor and manually
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Failsafe temperature operated actuator and valve mechanism - is for control systems and shuts valve off if threshold is exceeded or fault occurs
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Spanner for adjusting thermostat with expanding liquid - has flexible walls which prevent overturning of adjusting spindle immersed into liquid
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DEVICE FOR ACHIEVING QUIET OPERATION OF VALVES O.DGL. FOR STREAMING MEDIA
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Piston valve with sound dampening characteristics - incorporates flow dividers comprising hollow cylinders with slots and apertures
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THERMOSTATIC TEMPERATURE REGULATOR WITH SAFETY DEVICE
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Pneumatic position regulator for actuator control - with output unaffected by input signal frequency uses motor and gear train
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Device for obtaining quiet operation of valves, more particularly pressure reducing valves
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Noise reducing mechanism for valves - allows more pressure changes with minimum noise and cavitation
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CABLE ELEMENT TO CONNECT ELECTRICAL, PNEUMATIC OR HYDRAULIC DEVICES IN SWITCHING, CONTROL AND REGULATING SYSTEMS
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RELIEF SINGLE SEAT VALVE
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ELECTROPNEUMATIC SIGNAL CONVERTER
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THREE-POINT CONTROLLER WITH FEEDBACK
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VALVE, IN PARTICULAR RADIATOR VALVE FOR HOT WATER OR STEAM HEATING SYSTEMS
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INSERT FOR A FRAME TO ACCEPT PNEUMATIC SWITCHING, CONTROL AND REGULATING SYSTEMS
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DEVICE FOR ACHIEVING QUIET OPERATION OF VALVES, IN PARTICULAR PRESSURE REDUCING VALVES
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