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FONTECK INDUSTRIES
TYPE SADH – SOLID TO AIR DUCT HEATER

TYPE SADH – SOLID TO AIR DUCT HEATER

Product catalog summary

Product Overview:
The SADH Solid to Air Duct Heater is designed for industrial duct system heating in hazardous areas with explosive gas or dust. It uses electric resistance wire as the heat source and air as the heating medium. The heater is flameproof and suitable for use in environments with gas groups IIB or IIC.

Features:

Flameproof control box made of stainless or carbon steel.
Stainless steel heating elements and fins.
Overheat protection included.

Certification:

Certified by DNV and LCIE with IECEx and ATEX certificates.
Temperature class ranges from T4 to T1.
Ingress protection rating of IP66.

Electrical Specifications:

Heating resource: Electric resistance wire.
Rated voltage: Up to 690VAC.
Frequency: 50 or 60Hz.
Rated power output: Up to 35kW.

Mechanical Specifications:

Enclosure material options: Stainless steel or carbon steel.
Heating elements quantity: Up to 34 for welding fixing type, up to 22 for screwing fixing type.
Finish: Powder coating for carbon steel, natural finish for stainless steel.

Mounting Options:

Flange type mounting with duct section.
Insertion type mounting without duct section.

Ordering Information:
The ordering code includes product type, gas grouping, power output, heating elements type, voltage rating, frequency, enclosure material, and duct section. For example, SADH-1-025-W-400-B-CS-D indicates a product with specific configurations such as gas group IIB, 2.5KW power output, and carbon steel enclosure.

Catalog excerpts

TYPE SADH – SOLID TO AIR DUCT HEATER (Flameproof) Features: Flameproof Control Box Control box enclosure material: stainless steel or carbon steel Heating elements sheath material: stainless steel Heating elements fins material: stainless steel Overheated protection Application: duct system Type SADH solid to air duct heater is designed for duct system heating application in industrial hazardous areas with potentially explosive gas and/or dust. The heat resource is electric resistance wire (solid). The heating medium is air. Certification: Notification Body: II 2 G D, Exd IIB or IIC T4…T1 Gb ; Extb, IIIB or IIIC T107°C or T174°C or T270°C or T400°C Db; -40°C

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Mechanical Specification: Enclosure Material: Heating Elements Sheath Material: Stainless Steel Heating Elements Quantity: Metallic Gray for Powder Coating or Other Colors (Specify) Natural Metallic Color for Stainless Steel Products Electrical Specification: Heating Resource:

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Downloadable product data sheets as wel

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Heating Elements Fixing Type

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Ordering Table: Please refer to the below ordering code table. If you need more information, please contact our sales representative for assistance. Product Gas Type Grouping Heating Voltage Frequency Enclosure Duct Elements Rating (Hz) Material Section Tens Ones Tenths Type 0 220‐ 220V W‐ Fixed by Welding S‐ Fixed by Screwing D‐Duct Section SS‐ N‐No Stainless Duct Steel Section

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Product Type Gas Group IIB Heating Elements Fixed by Welding Carbon Steel Duct Section Heating Elements Fixed by Screwing Stainless Steel No Duct Section Product Type Gas Group IIC Downloadable prod

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

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