Backer immersion heaters for liquid heating with element tubes in acidproof stainless steel
Backer standard range of screw plug immersion/insertion heaters in stock are suitable as heat sources for instance in domestic water heaters, calorifiers, electric boilers, vessels and industrial baths. The heaters consists of 2 pieces Backer tubular heating elements brazed to a screw plug. It could be fitted with different accessories such as terminal box, thermostat, safety temperature limiter, etc
Technical data
Inactive length
60±6 mm
Max working temperature
120°C
Max work pressure
9 bar
Norm
Backer 40579311 CE
Standards
SS 4330701, SS-EN 60335-1, UL-1030, ISO 6469-3
Surface load
ca 8,8 W/cm²
Power tolerance
5% / -10%
Material
Tubular elements Ø8,5 mm in acidproof stainless steel EN 1.4404/AISI 316L Screw plug G1¼” (R32, 42 mm) in brass Tube for thermostat/temp.limiter Ø10x0,5 length 170 mm IU 25 Tube for thermostat/temp.limiter Ø10x0,5 length 260 mm IU 26-29
Electric Connection
M4