PT Temperature Pilot With Copper Bulb and Union Connection allows it to be screwed into the side of a tank or pipe. The sensing bulb is in direct contact with the process fluid. Sensing bulb can be removed by unscrewing union nut (union hub remains in place).
PT Temperature Pilot With Copper Bulb and Union is used for temperature control when steam is used on heating applications. The PT style pilot is a “solid liquid fill” design made up of a temperature probe connected by a length of capillary tubing to a bellows in the pilot valve. When the temperature bulb is heated the liquid inside the probe expands the bellows and closes off the pilot valve. The opening and closing of the pilot controls the flow of steam thru the main valve; which maintains system temperature. PT-pilot controls temperature through a range of 60-300°F. An overheat protection bellows is incorporated into sensing bulb.
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