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Steam air heaters heat materials, in particular air and liquids. Widely use in dairies for example.

The waveguide dehydrator is a crucial element of any communications waveguide system, be it a microwave, radar, TV satellite terrestrial or antenna system. This high-capacity waveguide dehydrator for location in both ETSI and standard 19” racks, has reversible mounting brackets allowing the same unit to fit within either enclosure without any further need for mounting brackets or plates. Whether you choose the 230vAC or the 48vDC variant, the 12446 boasts an impressive output of over 220 litres per hour at an excellent dewpoint of -40ºC. The unit comes with 2 fixed output pressure options of either 15 or 40 mbar, and 6 off ¼” pneumatic outlets as standard. Despite its physical dimensions, the 12446 houses a high capacity, high pressure air storage vessel which allows the unit to remain inactive for extended periods of time, keeping maintenance requirements to an absolute minimum. Dry air delivery: 8 ft3/hr Dry air dew point -40c Output pressure 0.2 – 6 psi

Gast Gear Motors operate with greater torque and slower output speed due to the integration of a lubricated Air Motor with an inline or right angle gearbox. The compact and portable range come with variable operating speeds and power outputs that can be adjusted to meet the precise needs of your application. These motors are cool running and have no electrical spark, making them ideal for installation in hazardous and extreme ambient temperature locations.

AJS supply the highest quality fittings and fixtures needed to complete a full heating, ventilation and air conditioning system. All products are supplied are manufactured by reputable companies who we have built a solid working relationship with and are safe in the knowledge that all products supplied by AJS will be safe and meet all specifications set by regulations such as HVAC DW144. Duct fixtures and fittings stocked include spiral tubing T & Y pieces, bends, branch saddles, cap ends, flanges and couplers to manage the air flow through the ducting and connecting elements of ducting systems.

Fire and Smoke Dampers play a crucial role in the safety in ducting connected to a heating, ventilation and air conditioning system. They prevent the spread of fire and smoke through ductworks. Fire and smoke dampers are known as shut off dampers this is because the blades inside the metal panels will close and allow no additional air to flow through - the blades are forced to shut, this happens because of a fusible link which is set to trigger at It is a legal requirement to have these dampers tested at a minimum once every two years. Failure to do so can result in a fine, prison sentence and closure of business premises until rectified. AJS offer this essential fire safety service of a full fire & smoke damper testing and certifications with nationwide coverage. All test are carried out by fully qualified and trained technicians. Testing will include: Identify and locate each fire damper Retrofit access doors if any of these are inaccessible Carry out fire damper test

A J Services manufacture a range of access doors which has been designed in order to gain safe access to to ducting for the inspection of elements and routine cleaning. The access doors are manufactured in galvanised steel but can also be made in 304 & 316 stainless steel as well as aluminium ranging in size from 50mm to 2000mm and produced in a variety of styles: tabbed, flat oval, spiral/circular and pressed access doors. All with a depth of either 25 or 50mm depth and can include additional safety features such as chains.