Elasto Proxy supplies five types of rubber hoses to the heavy equipment and transportation industry.
The following sections describe each type of rubber hose in detail. For additional information, including a video and downloadable guide, please see our Custom Silicone Connectors page.
Charge air hoses are used to connect the charge cooler inlet to a vehicle’s turbocharger or intercooler. They’re also used to connect the charge cooler inlet to the engine manifold. Charge air-cooler hoses, as these rubber products are known, must prevent the loss of air pressure even under the most extreme engine conditions. They have both a hot side and a cool side, each with product specifications.
The hot side of a charge air hose is red or black in color and manufactured through wrapping, a process that also requires material preparation, vulcanizing, and cutting steps. Materials of construction include FKM/VMQ and AEM in 1, 2, or 4 ply. Unlike the liner, the middle and cover section of the hose may have an aramid fabric reinforcement. Working temperatures range from -40°C to around 250°C.
The cool side of a charge air-cooler hose is blue in color and produced through wrapping and/or extrusion. The range of working temperatures is narrower than on the hot side and spans -40°C to 170°C. The relative pressure, burst pressure at high temperature, inner diameter, and wall thickness are the same on both sides of the air cooler hose. Polyester fabric can be used to reinforce the middle and cover section.
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