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Hi-tec spray (HSL) has designed and commissioned its Mobile Rig using the Graco A-20 reactor from its range of plural component proportioners.

Reactors are used for industry-wide applications of fast-setting materials, including polyureas and foams.

Within 2-3 weeks, a fully equipped, pre-commissioned vehicle is presented with free training and an additional visit by an engineer to assist with initial start up on site within the UK.

The installed kit within each vehicle comprises a Graco A-20 reactor with integral material heaters; a built-in automatic shutdown facility to prevent off-ratio spraying; and a fully-heated hose bundle to deliver the materials to the spray gun at a constant controlled temperature.

Minimum hose length is 18m (60ft) and maximum is 64m (210ft).

Also featured are a Graco Fusion air purge spray gun with mixing chamber and air cap; Graco Husky air-operated diaphragm feed pumps that deliver the ‘A’ and ‘B’ materials from onboard 200l drums to the reactor; and a petrol-powered, 7.5 HP belt-driven ABAC air compressor together with all interconnecting hoses and support bracketry.

The system is supplied for 240V operation or can be specified for 415V three-phase electrical supply.

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