The document provides product information for the EXHEAT 'FWDT' range of flameproof air warmers designed for heating small work or storage areas in hazardous zones where flammable atmospheres are present. The air warmers come in various wattage models from 500 to 2000 watts and temperature ratings of T2, T3, and T4. They are ATEX and IECEx certified, weatherproof to IP66/67, and suitable for floor or wall mounting with adjustable temperature controls. Typical applications include aircraft hangars, fuel servicing areas, chemical plants, offshore installations, and more.

1. PRODUCT DATASHEET
Hazardous Area Process Heat & Control Solutions
'FWDT’ Flameproof Air Warmers
The EXHEAT ‘FWDT’ range of Air Warmers has been designed for heating small work or storage areas
and similar applications, located in Zone 1 or 2 Hazardous Areas, where the flammable atmosphere is
a IIC group.
FEATURES TYPICAL APPLICATIONS
▪ Certified to meet the ATEX directive 94/9/EC. For
IECEx certified heaters contact sales@exheat.com
▪ Aircraft Hanger Service Bays
▪ Weatherproof to IP66/67 ▪ Fuel servicing areas
▪ Suitable for 110v or 230/254v supplies ▪ Chemical Plants
▪ Temperature classifications T2, T3 and T4
available
▪ Offshore Installations
▪ Suitable for floor or wall mounting ▪ Battery Stores
▪ 2 x 25mm (plugged) cable entries provided as
standard
▪ Gas Installations
▪ Rotating terminal box ▪ Containers
▪ Externally Adjustable 0-40°C temperature
controlled thermostat (max set point +25°C)
▪ Crane Cabs, etc.
▪ Suitable for ambient temperatures from -60 ºC to
+60 ºC.
▪ Individually replaceable heating elements.
www.exheat.com
Tel: +44 (0)191 490 1547
Fax: +44 (0)191 477 5371
Email: northernsales@thorneandderrick.co.uk
Website: www.heattracing.co.uk
www.thorneanderrick.co.uk

2. PRODUCT SPECIFICATION
Hazardous Area Process Heat & Control Solutions
Model ‘T’ Class Rating Watts Dimensions Weight (kg)
‘A’ ‘B’
FWDT-500-T3 3 500 800 670 9
FWDT-1000-T3 3 1000 1300 1170 12
FWDT-1500- T3 (230V) 3 1500 1900 1770 17
FWDT-2000-T3 (230V) 3 2000 2450 2320 20
FWDT-500-T4 4 500 1300 1170 12
FWDT-750-T4 4 750 1900 1770 17
FWDT-1000-T4 4 1000 2450 2320 20
Rating Standard mild steel heater ratings and sizes are shown below, stainless steel and other ratings to suit
client individual requirements can be provided upon request.
Certification ATEX certified II 2 G/D
ATEX & IECEx Certified Ex’d’ IIC T2 to T4 Ex tD A21 IP66 T300°C-T135°C
EN/IEC60079-0, EN/IEC60079-1, EN/IEC61241-0 + EN/IEC61241-1
Enclosure Cast Alumimium
Tube/Bracket Powder coated Mild Steel finish
Controls Externally Adjustable 0-40°C room temperature controlled thermostat
Mounting Pre-drilled support feet supplied as standard.
www.exheat.com
Information subject to change without notice