Fire Hose 13
Fire Hose 13 : Manufacturing Process: (5) Pressure Testing The Hose: 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 (4,140 kPa), but most manufacturers test to 800 psi (5,520 kPa). Subsequent to delivery, the hose is tested annually to 400 psi (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. After testing the hose is drained, dried, rolled, and shipped to the customer
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