A valve seat is provided on the side of a thermo housing of a thermostat device. A valve body is provided on the side of a thermoelement that is a movable body of the thermostat device. The valve seat is formed of a laminated component of a rubber layer deposited on the surface of a metal plate. The valve body is formed of a metallic component with no rubber layer deposited thereon, and then the valve body is configured to be able to come into and out of contact with the rubber layer of the valve seat.

A fluid temperature sensor may include a housing having an inlet, an indicator coupled to the housing, and a container disposed within the housing. The container may include a thermo-sensitive housing containing a thermal sensing element. The thermal sensing element may be configured to expand in response to reaching a threshold temperature thereby moving the container from a closed position to an open position. Fluid may flow through the inlet and fill the housing in the open position of the container to actuate the indicator into an activated position.

A fluid temperature sensor may include a housing having an inlet, an indicator coupled to the housing, and a container disposed within the housing. The container may include a thermo-sensitive housing containing a thermal sensing element. The thermal sensing element may be configured to expand in response to reaching a threshold temperature thereby moving the container from a closed position to an open position. Fluid may flow through the inlet and fill the housing in the open position of the container to actuate the indicator into an activated position.

A thermal sensor may include a housing having a thermal contact member, an indicator coupled to the housing, and a thermal sensing element disposed in the housing in thermal communication with the thermal contact member. The thermal sensor may also include an actuator element in communication with the indicator and thermal sensing element. The thermal sensing element may be configured to expand in response to reaching a temperature threshold thereby engaging the actuator element and activating the indicator.

A thermal sensor may include a housing having a thermal contact member, an indicator coupled to the housing, and a thermal sensing element disposed in the housing in thermal communication with the thermal contact member. The thermal sensor may also include an actuator element in communication with the indicator and thermal sensing element. The thermal sensing element may be configured to expand in response to reaching a temperature threshold thereby engaging the actuator element and activating the indicator.

A quick connect fluid connector that is detachably connectable to a fluid system to process a gas into or from the fluid system through the quick connect fluid connector. The quick connect fluid connector includes one or more temperature sensors that can sense the temperature of the gas within the fluid connector during processing. Based on the sensed temperature(s), an alert can be generated to alert a human operator conducting the processing and/or automatically shut-off the processing if the sensed temperature becomes too high. The operator will therefore be alerted if the cylinders are being processed too quickly or if the processing duration could be shortened.

A quick connect fluid connector that is detachably connectable to a fluid system to process a gas into or from the fluid system through the quick connect fluid connector. The quick connect fluid connector includes one or more temperature sensors that can sense the temperature of the gas within the fluid connector during processing. Based on the sensed temperature(s), an alert can be generated to alert a human operator conducting the processing and/or automatically shut-off the processing if the sensed temperature becomes too high. The operator will therefore be alerted if the cylinders are being processed too quickly or if the processing duration could be shortened.

An element with a cup containing a thermally expanding material, a piston capable of translational movement along its axis, a rigid guide for guiding the piston, a seal for sealing in the thermally expanding material having an annular overall shape, centered on the axis and through which the piston passes axially, and which includes first and second opposite axial parts against which the guide and cup press respectively in an antagonistic manner to compress the seal around the piston, and an anti-extrusion washer mounted coaxially around the piston and axially interposed between the guide and first part of the seal. The first part of the seal around the piston can be supercompressed to make the degree of compression equal to a value strictly higher than that associated with an operational thermostatic element formed by the cup, piston, guide, seal and anti-extrusion washer assembled with one another without the supercompression.