<Dt> Pressure testing the hose </Dt> <Ul> <Li> Standards set by the National Fire Protection Association require that each length of new double jacket, rubber - lined attack hose must be pressure tested to 600 psi (41.4 bar; 4,140 kPa), but most manufacturers test to 800 psi (55.2 bar; 5,520 kPa). Subsequent to delivery, the hose is tested annually to 400 psi (27.6 bar; 2,760 kPa) by the fire department . While the hose is under pressure, it is inspected for leaks and to determine that the couplings are firmly attached . </Li> <Li> After testing the hose is drained, dried, rolled, and shipped to the customer . </Li> </Ul> <Li> Standards set by the National Fire Protection Association require that each length of new double jacket, rubber - lined attack hose must be pressure tested to 600 psi (41.4 bar; 4,140 kPa), but most manufacturers test to 800 psi (55.2 bar; 5,520 kPa). Subsequent to delivery, the hose is tested annually to 400 psi (27.6 bar; 2,760 kPa) by the fire department . While the hose is under pressure, it is inspected for leaks and to determine that the couplings are firmly attached . </Li> <Li> After testing the hose is drained, dried, rolled, and shipped to the customer . </Li>

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