Heater & Filter Heater Packages

A range of 8 cool to touch in-line heater packages with unique features to deliver variable compressed air temperature to suit your application.

Suitable for use in industrial or breathing air applications,allowing air to be filtered and temperature controlled between 20°C and 120°C (68°F and 248°F).

Fast response to variations in pressure and flow Compact solid state temperature control
Our range of compressed air line heater systems uses an open wound heating coil and high accuracy output temperature sensing device.
This combination of fast responding heater and sensor allows the unit to adjust quickly to any variations in flow rate or line pressure, without deviation in the output temperature.
The compact solid state temperature controller is mounted on top of the unit. The exact temperature output is indicated by a bi-metallic thermometer clearly visible at the front of the heater.
Heaters can also be supplied, directly mounted to Walker Filtration pre-filters to ensure that process air is clean.
Applications include Breathing Air Manufacturing Military

Technical Specification

technical notes
1 Semi-automatic drain valve (SDV25) are fitted to all heaters. Float operated automatic drain valves (ADV16) are fitted
to all filters.
2 When liquid, oil and water are present, FH or FTH models should be specified.
3 Electrical connections to the unit are via an industry standard DIN connector.
4 When placing an order, please specify voltage required. Example A39FTH-115V.
5 If used in a breathing air installation, please note adequate breathing air filtration is required prior to the heater
assembly. Please note the airline heater and filter packages will not remove certain types of gases, including carbon
monoxide (CO) and carbon dioxide (CO2).
6 Threaded filters are manufactured from cast aluminium alloy and are PED 97/23/EC compliant for group 2 gases.
7 Threaded connections are Rp (BSP parallel) to ISO 7/1 or NPT to ANSI B2.1 if supplied within North America.
8 For NPT connections, add the suffix N e.g. A39BHN.
9 Filter elements should be changed every 12 months / 8000 hours (whichever comes first).
10 Filters are suitable for use with mineral and synthetic oils, plus oil-free compressed air applications.
230 volt AC 115 volt AC
Supply voltage 230 volt AC-50/60Hz 115 volt AC-50/60Hz
Power rating 1.5Kw 1.5Kw
Maximum working pressure 16 barg 232 psig 16 barg 232 psig
Controlled output range 20°C to 120°C 68°F to 248°F 20°C to 120°C 68°F to 248°F
Minimum inlet temperature -20°C -4°F -20°C -4°F

filter  model   pipe   size    flow rate dimensions (mm) weight Kg   element
A39BH             47   27 88 130 337                     1.0 -
A39TH             47   27 138 130 337                    1.3 -
A39FH             47   27 176 130 337                    2.3          E511 XA
A39FTH            47   27 226 130 337                    2.6          E511 XA  
A55BH ½           92   54 88 130 337                     1.0 -
A55TH ½           92   54 138 130 337                    1.3 -
A55FH ½           92   54 176 130 337                    2.3          E511 XA
A55FTH ½          92   54 226 130 337                    2.6          E511 XA