46 CFR § 154.1170
Hand hose line: General
April 15, 2021
Each dry chemical hand hose line must:
(a) Not be longer than 33m (108 ft.);
(b) Be stored on a hose reel or in a hose cabinet and be one that is operable whether or not it is unwound from a hose reel or removed from a hose cabinet;
(c) Be non-kinkable;
(d) Have a nozzle with a valve to start and stop the flow of chemical;
(e) Have a capacity of at least 3.5 kg/sec (7.7 lb./sec); and
(f) Be one that can be operated by one person.