THERMOSTATIC BIMETAL

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THERMOSTATIC BIMETAL
THERMOSTATIC BIMETAL is a laminated composite material that usually consists of two firmly joined metals or metal alloys with different rates of thermal expansion. In case of temperature changes the strips, disks or parts change their shape in a defined way. If this change in shape is suppressed, a setting force is obtained which can be used for mechanical displacement. By combining it with cladding and intermediate layers certain properties such as electrical resistively, corrosion resistance, etc. can be deliberately influenced.
Applications

Non-sparking tools also generate sparks sometimes referred to as “cold sparks”. These cold sparks have a low heat level and do not ignite carbon disulfide, which has the lowest ignition point of any substance known to man. Therefore while “non-sparking” tools may lower the risk of a spark, they do not eliminate the possibility of sparks. The name “non-sparking” is misleading because these tools are capable of producing a spark: the term “reduced-sparking tools” better describes these tools.

Non-sparking tools provide protection against fires and explosions in environments where there is a concern about sparks igniting flammable solvents, vapors, liquids, dust or residues.

Copper Beryllium (CuBe) : 

Composition : Be – 1.8% – 2%, Ni + Co – 0.2% – 1.2%, Rest – Cu

Hardness : 283 – 365 Brinell

Tensile Strength  : 1250 N/mm2

Aluminum Bronze (AlBr)

Composition : Al – 10%-12%, Ni – 4%-6%, Fe + Mn – <5.8%, Rest – Cu

Hardness : 229-291 Brinell

Tensile Strength : 800 N/mm2

Applications
    • Protective motor switches
    • Automatic circuit breakers
    • Automatic time switches
    • Transformer safety switches
    • Automatic staircase light switches
    • Fluorescent lamp starters
    • Irons Control devices
    • Hot plates Control devices
    • Toasters Control devices
    • Ovens Control devices
    • Thermostats for thermal storage heating stoves
    • Inductive coil protections
    • Door locking systems

AUTOMOTIVE INDUSTRY
    • Cigarette lighters
    • Gasoline level indicators
    • Cooling water controllers (fan control)
    • Automatic starters
    • Seat heating
    • Mirror heating
    • Brake-power controllers

ELECTRICAL ENGINEERING
    • Temperature compensation
    • Temperature recorders
    • Thermometers
    • Clock and timer units

HEAT TECHNOLOGY
    • Heating controllers
    • Steam traps
    • Exhaust gas valves
    • Fire detectors
    • Hot-water mixers
    • Stove regulators
    • Flame protection of gas burners

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