This product is an electric immersion heater intended for use within a potentially hazardous areas where a risk for exposure to explosive gas atmosphere exist.
The heater must be horizontally mounted into a tank, vessel or a pipe-based flow through system, and the heating elements shall be totally immersed in liquid during operational use.
The heating elements submerged in liquid, is considered as a non-Ex area.
The immersion heater’s type designation is SIH KLXT…H/M/L-…Exd.
Its main parts are the electric heating elements brazed into a BSP G2” threaded bulb-head manufactured in stainless steel AISI316L, and Exd junction box made of cast aluminum.
The heater is controlled by automatically resettable thermostat that regulates the temperature and determines the T-class. Set-point must be agreed with manufacturer when placing order, and cannot be adjusted by end-user.
An additional manual resettable thermostat is mounted for the safety (TSHH). T-class for this equipment is based on the TSHH cut-off.
TSHH is preset and fixed at its set-point.