Your newborn has been hearing sounds since way back in the womb. Mother's heartbeat, the gurgles of her digestive system, and even the sounds of her voice and the voices of other family members are part of a baby's world before birth. Once your baby is born, the sounds of the outside world come in loud and clear.
Series DBV Brass Ball Valve. Full Port, Economical, 600 psi (41 bar) Series DBV Brass Ball Valve is an economical hand lever ball valve ideal for commercial or general industrial use. The Series DBV is the ideal choice for a manual shut off valve, along with many other applications. Valve body, body cap and ball are made of a quality brass for great durability. Seats and stem packing are constructed of PTFE for long lasting service as well.
They are used for the limitation (DB) or limitation and solenoid. actuated unloading (DBW) of the control pressure. The pressure relief valves (DB) consist mainly of the main valve (1) with main spool assembly (3) and pilot operated valve (2) with. pressure adjustment element. Pressure relief valve type DB. The pressure present in port A acts on the main spool (3). At the. same time pressure is applied via the control lines (6) and (7), which. are fitted with orifices (4) and (5), on the spring loaded side of the. main spool (3) and at the ball (8) in the pilot control valve (2).