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Heating Equipment : Immersion Heaters
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Type 9ST3
Type 9ST3
Immersion heaters with aluminum connection box Immersion heater with 78mm × 66mm × 50mm aluminum enclosure. 1"1/4, 1"1/2, M45x2 fittings.
Heating Equipment
Immersion Heaters
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product presentation

Main applications: liquid heating, hot water circuits, containers and buffer tanks.

These immersions heaters are the smallest with 3 heating elements and aluminum enclosure. There is not enough room inside for thermostat.

They do not have a built-in connection block.

They exist in:
- 6 standard power levels: 1kW – 1.5kW - 2kW - 3kW - 4kW - 6kW.

- 3 types of standard fittings: 1"1/4, 1"1/2 and M45x2
- 2 types of surface load density: 5W/cm² and 10W/cm². See technical introduction to optimize the surface load. Heater tube material: 8mm dia. AISI 304 or Incolloy 800 (AISI 316; AISI 321; Incolloy 825 on request).

Fitting material: brass, swiveling on housing, brazed on tubes. (AISI 304 or AISI 316, TIG welded, or brazed, models are available on request). Supplied without gasket and without nut. See accessories below.

Thread:1"1/4, 1"1/2 BSPP (ISO 228) and metric thread M45x2.

Enclosure: 78 × 66 × 50mm, die-cast aluminum, 3mm wall thickness. Silicone foam gasket. Stainless steel cover screws with locking nuts, 2 inner earth terminals M4; Gray epoxy paint RAL7035. Protected against galvanic corrosion. Ingress protection class: Water and dust: IP65; shock resistance: IK 10 (with metal cable gland).

Cable glands: M20, PA66. Nickel-plated brass on request.

Thermowell: On request.

Heating elements connections: terminals with stainless steel screw, nut and stainless steel washer. Switching straps on 3 phases models.

Support grid: 1 grid AISI 304 for lengths from 400 to 600mm, 2 grids above.

Not heating immersed zone: 50mm.

Surface load: standard 5W/cm² or 10W/cm², others values on request.

Voltage: 220-240V single phase or three phases 380-400V (Star connection with neutral).

Variants on request: TCO inside dia. 10mm pocket, at center of heating elements. (MOQ apply).