Limit switch is a kind of field instrument for valve position display and signal feedback of automatic control system, which is used to output the opening or closing position of the valve as the signal of switching value, which is accepted by program control or sampled by computer, and execute the next program after confirmation. The product can also be used as an important valve interlock protection and remote alarm indication in the automatic control system, and can form a complete signal control and return function with the explosion-proof valve control box.

l     With dome indicator

l     Switch type / regulating type

l     It is applicable to dangerous places in zone 1 and zone 2 of explosive gas environment

l     Applicable to class IIa, IIb and IIC explosive gas environment

l     It is applicable to zone 20, zone 21 and zone 22 in combustible dust environment

l     It is applicable to the environment with temperature group T1-T6

l     Die cast aluminum alloy shell, corrosion resistant