SIERRA model 7500 is an eccentric disc seated - double eccentric - butterfly valves. Valves body and discs are designed to provide minimal flow resistance. Precise tightness is inssured on both sides.

SIERRA model 5400 is a swing type tilting disc check valve that is a development of the traditional type swing check valve that has been designed to allow for frequent flow reversals without causing wear in the shaft seat which is a common feature of the swing check.

SERIES 6400 is a single chamber aero-kinetic water air valve, which designed to prevent dynamic closure under higher air velocity.Valves has double orifice and perform three functions.