Fire hose coupling is a rigid interlocking end-piece on fire hose; it is used for connecting hose to hydrants or fire engine pumps and other hose appliances (nozzles, wyes, etc).
according to BS336 standard
Product NO.
Specifications
AJC 406A
1.5''Instantaneous
AJC 506A
2''Instantaneous
AJC 606A
2.5''Instantaneous
AJC 606C
2.5''*1.5''Instantaneous
AJC 606B
2.5''*1.75''Instantaneous
AJC 606F
2.5''*2''Instantaneous
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