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 1300 flow control valve is a hydraulically operated, diaphragm actuated automatic control valve, it used to limit the amount of flow to a preselected maximum rate regardless of fluctuations in upstream and downstream pressure.

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.