Raychem ® brand tank heating pads (RHS) are recommended when high wattage density is required. The RHS system provides heat to selected areas on the tank. The heat is then distributed through convection in the fluid (natural or agitated). RHS is built from durable components for use on tanks in industrial applications. The heating pads have a constant power output and are available with two power densities, making them suitable for both metal (lined and unlined) and plastic tanks. RHS tank heating pads have been designed to include the following benefits:
Easy installation
Raychem RHS tank heating pads can easily be installed by a single person.
Over-temperature thermostat
A sealed, self-resetting, over-temperature thermostat is integrated into the product.
Approvals
FM Approvals (FM) and CSA International (CSA) have approved RHS tank heating pads for both nonhazardous and hazardous locations.
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Fig. 4 Tank heating pads
The stainless steel grounding plane is flexible enough to contour to most tank surfaces, and it is oversized to protect the heating elements and maximize contact with the tank. RHS can be used for maintain temperatures up to 200°F (93°C) and maximum exposure temperatures of 366°F (186°C).
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