STjh 40 kW eight-inch flanged duct heater with a finned bundle and heavier power terminal enclosure on white.

STJH-FLANGED-DUCT-ELECTRIC-HEATER-40KW

Flanged Duct Electric Heater 40 kW Eight-Inch

A compact 40 kW flanged air heater using 24 elements on an eight-inch flange at an 8 W/in2 designed loading.

40 kW intermediate stage
Eight-inch flange
24 elements at 8 W/in2

Introduction de produit

The 40 kW stage retains the 24-element, eight-inch flange architecture but increases designed surface loading to 8 W/in2. It provides twice the output of the low-density final stage for intermediate clean process-air heating.

Key Features

Double-output compact stage

The same element count delivers twice the 20 kW model's power within a compact flanged assembly.

Intermediate temperature lift

The heater fits between gentle trim duty and the long 60 kW first-stage requirement.

Selectable power control

Staged contactors or modulating SCR control can match the heat input to process demand.

Paramètres techniques

Heating Capacity	40 kW
Flange Size	8 in
Element Count	24
Watt Density	8 W/in2
Element Construction	Finned tubular
Heating Stage	Intermediate process-air duty
Airflow Interlock	Required
Power Control	Staged or SCR option
Installation	Flanged inline heater housing
Customisation	Element material, voltage and control package can be configured for the intended application and operating environment.

Applications

Intermediate clean process-air heating, controlled drying systems, make-up air tempering and compact high-output duct sections.

Solutions for Your Application

The 20 kW trim heater cannot achieve the required process temperature lift.Use the 40 kW stage after verifying airflow, inlet temperature and allowable element loading.

Rapid load changes create overshoot with simple on/off control.Select staged or SCR modulation with a correctly located discharge-temperature sensor.

Options disponibles

Voltage, sheath alloy, contactor stages, SCR controller, high limits, airflow proof, pressure enclosure and insulation can be selected.

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