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A thermal fuse is a cutoff which uses a one-time fusible link. Unlike a thermal switch which may automatically reset itself when the temperature drops, the thermal fuse is more like an electrical fuse : a single-use device that cannot be reset and must be replaced when it fails or is triggered.
Thermal cut-off valve (TV), which: prevents excessive temperatures. closes automatically at a certain temperature and cuts off the gas flow long before the ignition temperature of the gas mixture is reached. and a pressure-sensitive gas cut-off valve (PV), which stops the gas flow in the event of pressure shocks
In electronics and electrical engineering, a fuse is an electrical safety device that operates to provide overcurrent protection of an electrical circuit. Its essential component is a metal wire or strip that melts when too much current flows through it, thereby stopping or interrupting the current.
A thermostat exerts control by switching heating or cooling devices on or off, or by regulating the flow of a heat transfer fluid as needed, to maintain the correct temperature. A thermostat can often be the main control unit for a heating or cooling system, in applications ranging from ambient air control to automotive coolant control.
BSML – below sea mean level; BS&W – basic sediments and water; BT – buoyancy tank; BTEX – benzene, toluene, ethyl-benzene and xylene; BTHL – bottom hole log; BTO/C – break to open/close (valve torque) BTU – British thermal units; BTU – Board of Trade Unit (1 kWh) (historical) BU – bottom up; BUL – bottom-up lag; BUR ...
An oxygen safety relief valve DN250-safety valves. A safety valve is a valve that acts as a fail-safe.An example of safety valve is a pressure relief valve (PRV), which automatically releases a substance from a boiler, pressure vessel, or other system, when the pressure or temperature exceeds preset limits.
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