Description Two-way siamese connections used as an auxiliary inlet connection providing 500 GPM minimum to supplement the fire protection water supply. Swing clapper provides full waterway. Exposed design provides an economical method of satisfying Fire Department. inlet requirements, including check valve and couplings. Product specifications A95 Exposed Fire Department Inlet Connection, two way inlet body with singleback swing clapper and pin or rocker lug hose thread swivels; straight NPT outlet connection with main feature as following: – Casted brass body – Forged brass clapper – Forged brass swivels – 2.5” two pin or rocker lug hose thread swivel inlets – 4” straight NPT outlet – Rated pressure 300 psi – FM approved, UL listed