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[1] [2] Heated hoses are suitable for environments from -40°C to 80°C and can be used in explosion-proof zones 1/21 and 2/22, if required. [3] A heated hose consists of a flexible hose, through which the media is pumped. This hose determines the resistance against temperature and chemicals.
A nylon loop hose strap, with a structural firefighting glove for size comparison. A hose strap (also known as a rope hose tool) is a piece of firefighting equipment. It can be "a short length of rope with an eye loop at one end and a metal hook at the other" [1] or a piece of "flat nylon webbing sewn into a four-foot loop". [2]
Forestry hose is a fabric-covered, flexible hose used to fight fires in grass, brush, and trees where a lightweight hose is needed to maneuver it over steep or rough terrain. Forestry hose comes in 1.0 and 1.5 in (25 and 38 mm) nominal inside diameters and is designed to operate at pressures up to about 450 psi (3,100 kPa).
Nominal Pipe Size (NPS) is a North American set of standard sizes for pipes used for high or low pressures and temperatures. [1] " Nominal" refers to pipe in non-specific terms and identifies the diameter of the hole with a non-dimensional number (for example – 2-inch nominal steel pipe" consists of many varieties of steel pipe with the only criterion being a 2.375-inch (60.3 mm) outside ...
An electric heater is an electrical device that converts an electric current into heat. [1] The heating element inside every electric heater is an electrical resistor , and works on the principle of Joule heating : an electric current passing through a resistor will convert that electrical energy into heat energy.
The film temperature is often used as the temperature at which fluid properties are calculated when using the Prandtl number, Nusselt number, Reynolds number or Grashof number to calculate a heat transfer coefficient, because it is a reasonable first approximation to the temperature within the convection boundary layer.