This Goodyear Engineered Products ExtremeFlex black nitrile rubber petroleum transfer hose assembly is a drop hose manufactured for conveying gasoline, oil, ethanol blends, and other petroleum-based fluids with up to 60% aromatic content in pressure, gravity flow, or suction service. Its tube is constructed of black nitrile synthetic rubber with a Rubber Manufacturers Association (RMA) Class A (high oil resistance) rating for a maximum volume change of +25% and maximum 20% loss of tensile strength after exposure to oil. Its corrugated black Chemivic (Buna-N-vinyl) cover is flexible and resists oil, abrasion, and ozone. This hose is reinforced with a spiral-plied synthetic fabric and wire helix for its maximum pressure rating and full vacuum rating of 29" Hg. It can withstand temperatures ranging from -40 to +200 degrees F (-40 to +93 degrees C), and comes equipped with a factory-installed brass male National Pipe Straight Hose (NPSH) coupling on one end and a factory-installed brass female NPSH coupling on the other. This hose is suitable for use in tank truck and in-plant fuel transfer applications where hose flexibility is important.Industrial hoses transfer or convey air or liquid in hose systems. When selecting industrial hoses, use the STAMPED method: S = Size (ID, OD, and length) T = Temperature (maximum and minimum temperatures of material being transported) A = Application (industry or process) M = Material (to be conveyed, type and concentration) P = Pressure (maximum working pressure) E = Ends (type of end connectors or couplings on hose) D = Delivery method (volume and velocity)The inside diameter of the hose must be adequate to keep pressure loss to a minimum and avoid damage to the hose due to heat generation or excessive turbulence. The hose must be capable of withstanding the minimum and maximum temperatures that occur within the hose system. Some applications require specialized oils or chemicals to be conveyed through the system. In this case, hose selection must ensure compatibility of the hose tube, cover, couplings and O-rings with the fluid used. Industrial hoses are used in systems such as air compressors, automatic manufacturing operations, aircraft controls, and tire installation in industries including agriculture, mining, road construction, firefighting, and aviation.Veyance Technologies manufactures and sells Goodyear Engineered Products, including industrial power transmission products, conveyor belts, hydraulics, rubber track, and automotive and truck products. It is headquartered in Fairlawn, OH.
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