fire hose coupling A): type: Ansi Pin type; B) Size: 1-1/4", 1-1/2", 2" , ... hose appliances (nozzles, wyes, manifolds, strainers, etc).A) type: Ansi Pin type;B) Size: 1-1/4", 1-1/2", 2 ... test.F) We are the qualified member of NFPA. Ansi Pin Fire Hose Coupling