Herbst Beheizungs-Technik
- Offer Profile
- Starting from the year of
establishment in 1988 Herbst
Beheizungs-Technik is respected as a dependable partner
which lives up to its promises in heating elements and
specific powerful electric heaters and heating processes.
Neat heat from a single source: designer, manufacturer
and distributor.
Product Portfolio
Flange immersion HEATERS | FHK series
- Flange heaters from Herbst Beheizungs-Technik are
particularly suited for heating up fluids and gases.
Electric flange heaters are manufactured with highly compacted tubular heaters (Ø 8.5 / 11.5 / 12 / 16) which are bent into a U-shape and welded or hard-soldered into flange plates DN 50 up to DN 600.
The flanged heating elements enable high heating performance within the smallest space. 
Construction
- Flange immersion heaters are manufactured with highly
compacted tubular heaters [1] (Ø 8.5 / 11.5 / 12 / 16 mm) which are bent
into U-shape and welded or hard-soldered into flange plates [2] from DN 50
up to DN 600.
The stable positioning of the heating elements is secured by means of laser-cut spacer discs [3] which are also used as baffles. This construction element provides an adequate flow-direction of the operating fluids and gases and prevents undesired accumulation of heat.
The connection housing [4] is mounted directly on the flange plate. If a cooling section [5] is required the enclosure can be installed with sufficient distance to the heating zone.
Processing
- Flange heaters are proven every day in various process
installations. Electric heating elements combine properties such as
efficient heating, long service life and low maintenance costs.
When dimensioning heating elements, particular attention is paid to finding the best compromise between technical feasability, quality and economical aspects.
Flange heaters have to suit customers' application - in size, shape , performance, chemical and thermal resistance, controls and protective systems. To ensure this, it requires expert knowledge.
Cartridge heater
- Heating flange with cartridge heaters
Flange plates equipped with heating cartridges are particularly suitable for use in large tanks. The welded-in steel tubes contain exchangeable ceramic heating elements which can be replaced individually without draining the fluid.
The steel tubes have selectable diameters of Ø 36 mm, Ø 42 mm and Ø 52 mm. The TIG welding process is mainly used to connect them with the flange. The flange heaters should be mounted horizontally.
Similar to standard flange heaters the electrical connection is contained in a housing directly on the flange plate. Control cabinet with protection system IP54 and IP65, integrated thermostat and temperature limiter are available as options.
Circulation heaters
- Circulation heaters - Industrial process heat
Circulation heaters are very suitable for an efficient heating of fluids and gases. The petrochemistry, shipbuilding, medical technology, industrial cleaning technology, plant construction and process engineering are typical areas of use.
Circulation heaters are manufactured according to customer specification and/or explicitly customized to the personal requirements of the purchaser:- position and construction of inlet port and outlet port
- drain plug and vent pipe
- fastening attachments for vertical or horizontal assembly
- thermal insulation
- special gaskets for different operating conditions
- temperature sensors in various designs
- permissible surface load of the medium
- process measuring and control technology
- for special applications with high power requirements circulation heaters in modular structure achieve a capacity up to 1 MW.
Cartridge HEATERS
- Cartridge heaters from Herbst Beheizungs-Technik
consist of a ceramic heating element inserted into a protective steel
tube. The tubes have a welded-in or hard-soldered bottom and a thread nipple
on connection side for screwing into tanks or plants. The cartridge
heaters are equipped with a hood and cable connection.
- Warming of motor fuels and lubricants
- Heating of thermal oil in heat transfer plants
- Preheating of hydraulic oil and turbine oil
- Used as tank heater for thin oils
- Simple exchange of the ceramic heating element
- without having to drain the oil or liquid
G 1 1/2 Cartridge heater
- G1½ with steel tube
- Cartridge heater consisting of a steel connector G 1½
- with welded-in steel protection tube Ø 42 mm
- with interchangeable ceramic heating insert
- with connection box
- protection class IP 65
- for horizontal mounting
- Used as tank heater and electric heater for lubricating
oil systems - Applications: Pre-heating of hydraulic oil and gear
lubricant oil, thermal oil and heating of various industrial fluids - Please verify the permissible surface load
G 2 Cartridge heater
- G2 with steel tube
Heating solution for liquid media- Cartridge heaters consisting of steel connector G2 with welded-in steel tube Ø 52 mm
- with interchangeable ceramic heating insert
- with connection box
- protection class IP 65
- for horizontal mounting
- Used as tank heater and electric heater for lubricating oil units
- Applications: Pre-heating of hydraulic, turbine and thermal oil and other thin oils in industrial plants
- Please verify the permissible surface load
- for reliability under high vibrations we recommend our special tubular heating elements instead of the ceramic heating elements
G 2 with thermostat
- G2 with protection tube and thermostat
- Cartridge heater consisting of steel connector G2 with hard-soldered steel tube Ø 36 mm
- with interchangeable ceramic heater insert
- single-pole adjustable thermostat 0-85° C
- IP 65 connection box (steel or stainless steel)
- Immersion heater for horizontal mounting
- Cartridge heater is used as tank heater for pre-heating hydraulic oil, heat transfer oil and is especially suitable for applications with thin oils
- Please verify the permissible surface load
Ceramic heating insert Ø 36
- Ceramic heating elements Ø 36 mm
- for installation in protective tubes
- consisting of the ceramic coil support, the heating coil and the heat-resistant support rod
- for horizontal mounting
- special voltages, other lengths, diameters and capacities are available on request
Ceramic heating insert Ø 46
- Ceramic heating elements Ø 46 mm
- for installation in protective tubes
- consisting of the ceramic coil support, the heating coil and the heat-resistant support rod
- for horizontal mounting
- special voltages, other lengths, diameters and capacities are available on request
Ceramic heating insert Ø 32
- Ceramic heating elements Ø 32 mm
- for installation in protective tubes
- consisting of the ceramic coil support, the heating coil and the heat-resistant support rod
- for horizontal mounting
- special voltages, other lengths, diameters and capacities are available on request
Construction - Screw plug immersion HEATERS | EHK
- Screw plug immersion heaters or screw-in heating
elements consist of a brass connector which is equipped with three U-shaped
immersion heater tubes. These tubular heating elements can be delivered with
an extensive range of accessories such as different connection boxes and
temperature controller and/or limiter. Depending on the application, the
screw plug immersion heaters are manufactured individually.
- Sheath material: 1.4541, 1.4571, 1.4828, 1.4876, 2.4858
- Material connector: brass oder stainless steel
- brass: G ¾, G 1, G 1¼, G 1½, G 2
- stainless steel: G 1½ und G 2
- With or without connection box
- Zinc-plated steel hood or stainless steel hood
- Plastic hood for temperature controller + limiter
- Immersion depths up to 3000 mm
- Heating capacity up to 24 kW
- Customized designs are available
stainless steel, without hood
-
- Screw plug immersion heater consisting of brass connector G 1 1/2
- With 3 U-shaped hard-soldered immersion heater tubes Ø 8,5 mm
- Material: 1.4541 / 1.4571 / 1.4828 / 1.4876 / 2.4858
- Screw-in heating element without connection hood
stainless steel, with hood
-
- Screw plug immersion heater consisting of brass connector
G 1 1/2 - With 3 U-shaped hard-soldered immersion heaters
tubes Ø 8,5 mm - 3-pole adjustable thermostat 0-85 °C
(alternatively 30-110 °C), 16 amp - Screw-in heating element with zinc-plated steel hood
- IP 30 / IP 54 / IP 65 (internal setting only)
- For capacities of 11 kW and above: with singel-pole thermostat (for contactor control) and second cable entrance M16
- Screw plug immersion heater consisting of brass connector
stainless steel, with thermostat
-
- Screw plug immersion heater consisting of brass connector
G 1 1/2 - With 3 U-shaped hard-soldered immersion heaters
tubes Ø 8,5 mm - 3-pole adjustable thermostat 0-85 °C
(alternatively 30-110 °C), 16 amp - Screw-in heating element with zinc-plated steel hood
- IP 30 / IP 54 / IP 65 (internal setting only)
- For capacities of 11 kW and above: with singel-pole thermostat (for contactor control) and second cable entrance M16
- Screw plug immersion heater consisting of brass connector
stainless steel: limiter
-
- screw plug immersion heater consisting of brass connector
G 1 1/2 - with 3 U-shaped hard-soldered immersion heater
tubes Ø 8,5 mm - material: 2.4858 for heating of water
- with 3-pole adjustable thermostat 0-85 °C and
3-pole limiter 92 °C ± 4 K - screw-in heating element with plastic hood
- protection system IP 30
- screw plug immersion heater consisting of brass connector
immersion heater: sterilization
-
- Screw-in heating element consisting of
brass connector G 1 1/2 - One electric heating element Ø 8,5 mm in
spiral form - Material: 1.4571 nickel-plated
- 1-pole thermostat 30-110 °C
- With Schuko plug
- Screw plug immersion heater with terminal box
in stainless steel - Protection system IP 68
- Screw-in heating element consisting of
copper: without hood
-
- Electric heating element consisting of brass connector G 1 1/2
- With 3 U-shaped hard-soldered copper immersion heater tubes Ø 8,5 mm
- Screw plug immersion heater without hood
- Immersed parts nickel-plated
copper: with hood
-
- Electric heating element consisting of brass connector G 1 1/2
- With 3 U-shaped hard-soldered copper immersion heater tubes Ø 8,5 mm
- Screw plug immersion heater with zinc-plated steel hood
- Protection system IP 65
- Immersed parts nickel-plated
copper: with thermostat
-
- Electric heating element consisting of brass connector G 1 1/2
- With 3 U-shaped hard-soldered copper immersion heaters tubes Ø 8,5 mm
- 3-pole adjustable thermostat 0-85 °C
(alternatively 30-110 °C), 16 amp - Screw plug immersion heater with zinc-plated steel hood
- IP 30 / IP 54 / IP 65 (internal setting only)
- For capacities of 11 kW and above: with singel-pole thermostat (for contactor control) and second cable entrance M16
- Immersed parts nickel-plated
copper: dry-running protection
- heating of oils and liquids used in indsutry
- Heating element consisting of brass connector G 1 1/2
- With 3 U-shaped hard-soldered copper immersion heater tubes Ø 8,5 mm
- 3-pole dry-running protection 165 °C - 30K, 3 x 40 Amp.
- Screw plug immersion heater with zinc-plated hood
- protection system IP 30 / IP 65
- Immersed parts are nickel-plated
Tank HEATERS
- Tank
heaters manufactured by Herbst Beheizungs-Technik are particularly
constructed for the direct warming of industrial fluids e.g. thin
oils such as heating oil and hydraulic fluid.
Under low ambient temperature conditions tank heaters protect against any frost damage to the liquid medium and the tank itself. Thus, for example, makes it easy to prevent the paraffin precipitation in heating oil tanks.
- Tank heater for hydraulic oil consisting of a coiled tubular heater Ø 8,5 mm; material: 1.4541 with connection box made of steel
- Tank heater with 2 magnetic feet (1) for fixing at tank bottom or partition wall
- Tank heater with 4 magnetic feet (2) for increased stability in portable tanks
- Tank heaters with 1-pole thermostat 20 °C ±3K
- With 2,5 meters (alternative: 5/10/15 m) feed cable (oil resistant)
- Tank heater for applications with thin oils (e.g. heat transfer oil) consisting of a tubular heater Ø 12 mm, bent into U-shape; material: 1.4541 with connection box made of steel
- Tank heater without magnetic holder (3) and a reduced diameter of Ø 45,0 mm for tanks with narrow openings
- With 1-pole temperature controller and limiter
Tank heater - 2 magnets
- preheating of hydraulic oil and to preheat thin oils and
fluids
- Tank heater for hydraulic oil consisting of a coiled tubular heater RHK Ø 8,5 mm; material: 1.4541 with connection box made of steel
- Heating element with 1-pole thermostat 20 °C ±3K,
- with 2,5 meters (alternative: 5/10/15 m) feed cable (oil resistant)
- Tank heater with 2 magnet feet for fixing at tank bottom or partition wall
Tank heater - 4 magnets
- heating of oils and liquids used in indsutry
- Tank heater for hydraulic oil consisting of a coiled tubular heater RHK Ø 8,5; material: 1.4541 with connection box made of steel
- with 1-pole thermostat 20 °C ±3K,
- with 2,5 meters (alternative: 5/10/15 m) feed cable (oil resistant)
- Tank heater with 4 magnetic feet for increased stability in portable tanks
Tank heater - w/o magnets
- for preheating of oil tanks and container
- Tank heater consisting of a tubular heater Ø 12 mm, bent into a U-shape, material: 1.4571 with connection box made of steel
- with 1-pole temperature controller and limiter
- with 2,5 meters (alternative: 5/10/15 m) feed cable (oil resistant)
- Tank heater without magnet feet and a reduced diameter of Ø 45,0 mm for tanks with narrow openings
Gas pre-heaters | PRE Serie
- Gas pre-heater for indirect heating of gases
Gas pre-heaters made by Herbst Beheizungs-Technik consist of an electric heating element and a tube coil which are both cast in an aluminium block.
Industrial and process gases or even fluids are directed through the tube coil which is heated up by the aluminium block, thus, ensures an extremely constant and precise heat transmission.
In its standard design the gas pre-heater is equipped with:-
Tube coil:
- material 1.4571
- 14x1 mm
- Electric heating element:
- stainless steel
- 1500 W (other capacities on request)
- Temperature controller and temperature limiter
- Connections:
- inlet and outlet connections: ½" nipples
- can be individually adapted to customer’s requirements
- Outlet temperature up to 400 °C
- For applications in a non hazardous area
-
Tube coil:
Air HEATERS | LEH series
- Design with finned tubular heaters
In order to obtain optimum heat transfer and heat distribution the tubular heaters can be supplied with finns. The finned heating elements enable higher power outputs in often smaller installation spaces.
Design with tubular heaters
Air and duct heaters are typically used to heat process gases and air in industrial applications up to a temperature of 800 °C.
Air heaters are designed to obtain optimum heat transfer as well as good heat distribution.
Depending on the particular process parameters the electric air heaters can be designed and built with single or double U-shaped heating elements or in customer-specific shapes.
When dimensioning the air heaters particular attention is paid to select the permissible watt density and the maximum temperature of the tubular heating elements.
While avoiding overheating and subsequent damages the air and duct heaters are permanently and reliable ready for use.
The connection housing can be mounted with a suitable cooling zone and if required with further protection by thermal insulating material.
Herbst Beheizungs-Technik provides their air duct heaters ready to connect and the terminal housing can be supplied with protection class IP54 and IP65. Finned HEATERS | RRH series
- Finned heaters are suitable:
- to heat stagnant air
- for heating circulating air and air flows
- for gas heating
- for heating of air ducts
- as pre-heating unit in machines
- in air-conditioning ducts
- in industrial furnaces and drying chambers
- for shrink packaging machines
- heating elements in air heaters
Finned tube heaters A
-
- Finned tube heater designed for industrial use
- Finned heater consisting of stainless steel, material:1.4512 with connection box made of glass fibre reinforced plastic
- Operation with 230 V possible
- Cable screw connection M25x1,5
- Optional with safety plug and cable supply
- Finned tube diameter: 120 mm
- Height: 184 mm
- Installed ceramic heating element
- For horizontal mounting
- Temperature range: +5 °C to +30 °C
- Connection class IP67
Finned tube heaters B
-
- Finned tube heater consisting of stainless steel, material: 1.4512
- Finned heater with connection box made of glass fibre reinforced plastic
- Cable screw connection M25x1,5
- Optional with safety plug and cable supply
- Finned tube diameter: 120 mm
- Height: 184 mm
- Installed ceramic heating element
- max. surface temperature on top edge of fins: 225° C
- Control range: +5 bis + 30°C
- Signal light
- Frost-free
Finned heaters 25x50 mm
-
- consisting of a tubular heater RHK Ø 8,5 mm; material: 1.4541
- bent into a U-shape, bend weakly heated
- ribbed with stainless steel fins 25 x 50 mm
- with MS connector M14 x 1,5 x 12 mm lg.
Finned tubular heaters A
-
- consisting of a tubular heater RHK Ø 8,5 mm; material: 1.4541
- bent into a U-shape, continuously finned with stainless steel strip 10
mm
and 200 fins per m - with MS connector M14 x 1,5 x 12 mm lg.
Finned tubular heaters B
-
- consisting of a tubular heater RHK Ø 8,5 mm; material: 1.4541
- bent into a U-shape, finned with stainless steel strip 10 mm and 200 fins per m
- bend unfinned and weakly heated
- with MS connector M14 x 1,5 x 12 mm lg.
Tubular HEATERS | RHK series
- Tubular heaters are highly compacted heating elements
which are supplied in straight or bent condition. Heating elements are used
in a wide variety of industrial applications due to their high performance
capability.
Heating elements are intended for the heating of solids, fluids and gaseous media. Tubular heaters which are often installed in industrial screw plug immersion heaters, flange heaters or circulation and flow heaters are bent into a U-shape. We produce heating elements up to a straight length of 7 meters or bent to suit the respective application.
Technical characteristics - Tubular HEATERS- High load capacity
- High degree of operational safety, because of no contact with live parts and components
- Moisture protection
- Superior capacity-to-space ratio
- High temperatures
- Excellent heat transmission
- Shock and vibration proof
- Very rugged and durable
Heating Cartridges | HLP series
- Heavy-duty cartridge heaters:
1. Heat-resistant stainless-steel tube 1.4541 with inert-gas welded bottom plate (gas-tight)
2. Pure high-density magnesium oxide
3. Heating conductor made of NiCr 8020
4. Ceramic wound core
5. Supply wire made of fibreglass-insulated flexible nickel strand conductor with insulated entrance.
Heating cartridges are available as options:- with screw-in nipples
- with thermocouple
- Pt-100 sensors
- for AC operation
Wire connection
- Available on request: other lengths and heating capacities, diameters, unheated zones, other voltages, materials and thread sizes.
Heating cartridges [metric] / [inch]
- Heavy-duty cartridge heaters - metric Ø 6,5 mm
Heavy-duty cartridge heaters - Ø 1/4"
with thermocouple [mm] / [inch]
- Heating cartridges with integral heat sensor
- built-in thermocouple
- built-in Pt100
Band HEATERS | MHM series
- Electric band heaters for heating cylinders, moulds and machine parts.
Band heaters and noozle heaters
- sealed, suitable for PVC
Standard type:- Voltage 230 Volt
- Cable angle 45°
- Cable length 300 mm, with braided metal sleeve.
- Brass
- max. capacity 5.0 W/cm²
Cylinder band heaters
- Available with capacities (surface load) up to 3,5
W/cm² Voltage: 230 V~ or 400 V~
Options:- Braided steel supply cable (in 100 mm steps)
- Earthed safety plug
- Boring
- Boring with latch
- Additional jacket
- External jacket with hinge
Ceramic band heaters
- Available with capacities (surface load) up to 7 W/cm²
Voltage: 230 V~ or 400 V~
Options:- Braided steel supply cable. Length in 100 mm steps
- Earthed safety plug
- Boring
- Boring with latch
- Additional jacket
Ring band heaters
- Available with capacities (surface load) up to 3,5
W/cm² Voltage: 230 V~ or 400 V~
Ring band heaters for heating machine tools and manufacturing equipment
Options:- Braided steel supply cable. Length in 100 mm steps
- Earthed safety plug
- Boring
- Boring with latch
- Additional jacket
Frame heating elements
- Available with capacities (surface load) up to 3,5
W/cm² Voltage: 230 V~ oder 400 V~
Frame heating elements
Options:- Boring
- Boring with thermostat latch
- Termostat fitting
- Recess
