Removable immersion heater Rotkappe®

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Overview
Designed for industrial process heating, Rotkappe® sheathed immersion heaters deliver direct heating for a wide range of process liquids. The product features a modular, fully serviceable construction and a choice of dip tube materials to match aggressive chemical environments. Standard power range is 0.40 kW to 7 kW, with options up to 12 kW.

Main features

• Direct heating of process liquids in chemical baths and on tank walls.
• Modular construction: immersion tube, heating element, terminal box and cable — fully removable and repairable.
• Dip tube materials: porcelain, technical glass, quartz, fluoropolymer, stainless steel and titanium.
• Voltage options: single-phase 230 V and three-phase 400 V; other voltages available on request.

Key benefits

• Compatibility with a wide range of process fluids.
• Suitable for corrosive and surface-treatment environments.
• Long service life due to selected materials and design.
• Easy maintenance thanks to removable and repairable modules.

Main applications

• Direct heating of liquids in chemical baths (surface treatment, phosphating, electroplating).
• Installation on tank walls and in various chemical process environments requiring sheathed immersion heaters.

Options and accessories

• Assembly Key SB for BC head — universal key for head assembly.
• BC terminal box — options in PP (red head) or PVDF (white head) for chemical compatibility.
• HM mounting sleeve for BC head — EPDM sleeve for securing in tank cross-members; bore diameter 70–76 mm; recommended for high-temperature liquids or high vapor release.
• EM mounting sleeve for BC head — EPDM sleeve for reduced-footprint installation; bore diameter 87–90 mm.
• SRF protective sheath for BC head — PP sheath with welded support for mechanical protection of the immersion tube, with EPDM sleeve.
• SHB support for BC head — PP support with HM sleeve for fixing immersion heaters in ABS constructions.
• HB/L and HB supports for BC/L and BC heads — supports for securing terminal box to tank rim; suitable for immersion tube lengths up to 800 mm; materials: PVDF or PP.

Technical specifications

• Power (standard): 0.40 kW to 7 kW; higher power options up to 12 kW.
• Modular construction: immersion tube, heating element, terminal box and cable.
• Dip tube materials: porcelain, technical glass, quartz, fluoropolymer, stainless steel, titanium.
• Voltage: single-phase 230 V, three-phase 400 V (other voltages on request).
• Compliance: conforms to EN 60519-1/2.
• Protection class: Class 1.