Type: 9ST6. Immersion heater with dia. 100mm x 100mm plastic enclosure. 1"1/4 to 2" fittings. With or without thermostat.

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

These heaters can be fitted with the same equipment than the 9ST5 type, (thermostats, limiters, pilot lights etc ..), but their plastic enclosure is more convenient for corrosive surrounding. 

They exist in:

– 6 standard power levels: 1 kW – 2 kW – 3 kW – 4 kW – 6 kW- 8kW.

– 4 types of standard fittings: 1 “1/4; 1″1/2; M45x2; 2”

Heater tube material: 8mm dia. AISI 304 or Incolloy 800 (AISI 316; AISI 321; Incolloy 825 on request). 10mm dia. heating elements on model with 2” fitting.

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); M45x2; 2″

Enclosure: Dia. 100mm x 100 mm, black PA66 fiberglass reinforced. Silicone foam gasket. Stainless steel cover screws with locking nuts

Adjustment range: 30-90°C (85-195°F)

Ingress protection class: Water and dust: IP65; shock resistance: IK 8 (with metal cable glands and M25 metal plug).

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

Thermowell: In standard one thermowell in AISI304, dia.8 x 7 mm, 135mm length.

Electrical connections: tubular heater terminals with stainless steel screw, nut and stainless steel washer. Switching straps on 3 phase models.

Models with thermostats have a built in connection block, 3 x 2.5mm² for single phase units and 5 x 2.5mm² for 3 phases units. One more M4 grounding terminal available.

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

Not heating immersed zone: 50mm.

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

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

Standard options:

-Thermostat knob accessible under the cover by a M25 removable plug, adjustable from 30°C to 90°C (85-195°F). 230V single phase thermostat for power up to 3 kW. 3 phase thermostat for 4kW, 6kW and 8kW models.

Variants on request:

– 440°C (40-105°F), 0-60°C (32140°F), or 30110°C (86230°F) thermostat.

– Additional cable gland output for electronic control sensor.

– Thermostat with external knob.

– One or two pilot lights and a power cord.

Electric Wiring

PDF

2D&3D Drawing

Main references

 

5W/cm², 1″1/2* brass fitting, without thermostat.

Heating element dia. 8mm 10mm

(2″ only)

Power 1kW 2kW 3kW 4kW 6kW 8kW
Length (mm) 170 300 440 570 840 880
AISI 304 Reference 9ST6A5E1010U8170 9ST6A5E1020U8300 9ST6A5E1030U8440 9ST6A5E1040U8570 9ST6A5E1060U8840 9ST6A6E1080U1880
Incolloy 800 reference 9ST6A5E1010UK170 9ST6A5E1020UK300 9ST6A5E1030UK440 9ST6A5E1040UK570 9ST6A5E1060UK840 9ST6A6E1000UL880

 

10W/cm², 1″1/2* brass fitting, without thermostat.

Heating element dia. 8mm 10mm

(2″ only)

Power 1kW** 2kW 3kW 4kW 6kW 8kW
Length (mm) 135 170 240 300 440 450
AISI 304 Reference 9ST6A5E1010B8130 9ST6A5E1020U8170 9ST6A5E1030U8240 9ST6A5E1040U8300 9ST6A5E1060U8440 9ST6A6E1080U1450
Incolloy 800 reference 9ST6A5E1010BK130 9ST6A5E1020UK170 9ST6A5E1030UK240 9ST6A5E1040UK300 9ST6A5E1060UK440 9ST6A6E1000UL450

 

5W/cm², 1″1/2* brass fitting, with 30-90°C (84-194°F) thermostat, adjustable under M25 cap (single phase up to 3kW, 3 phases for 4kW, 6kW and 8kW models)

Heating element dia.

8mm

10mm

(2″ only) 

Power 1kW 2kW 3kW 4kW 6kW 8kW
Length (mm) 170 300 440 570 840 880
AISI 304 Reference 9ST6A5ES010V8170 9ST6A5ES020V8300 9ST6A5ES030V8440 9ST6A5ES040U8570 9ST6A5ES060U8840 9ST6A6ES080U1880
Incolloy 800 reference 9ST6A5ES010VK170 9ST6A5ES020VK300 9ST6A5ES030VK440 9ST6A5ES040UK570 9ST6A5ES060UK840 9ST6A6ES000UL880

10W/cm², 1″1/2* brass fitting, with 30-90°C (85-195°F) thermostat adjustable under M25 cap (single phase up to 3kW, 3 phases for 4kW, 6kW and 8kW models)

Heating element dia. 8mm 10mm

(2″ only)

Power 1kW** 2kW 3kW 4kW 6kW 8kW
Length (mm) 135 170 240 300 440 450
AISI 304 Reference 9ST6A5ES010B8130 9ST6A5ES020V8170 9ST6A5ES030V8240 9ST6A5ES040U8300 9ST6A5ES060U8440 9ST6A6ES080U1450
Incolloy 800 reference 9ST6A5ES010BK130 9ST6A5ES020VK170 9ST6A5ES030VK240 9ST6A5ES040UK300 9ST6A5ES060UK440 9ST6A6ES000UL450

* 1″1/4 brass fitting instead of 1″1/2, replace A5 by A4 in the reference. M45x2 brass fitting instead of 1″1/2, replace A5 by A9 in the reference.

** This model has only 2 heating elements.

References of accessories in option (not included in the product, must be ordered separately):

Nuts

 

Gaskets

 Other accessories and drawings: see last section of this catalogue.