It adopts built-in safety valve for exhaust .The pressure-reducing mechanism adopts piston spring pressure-reducing struture.and is disposed longitudinally to make the structure more co***ct .Fashionable anodized surface treatment ,12 levels in adjustment. Output pressure:50PSL Output flow(can be selected): 0¡ª4L/min 0¡ª8L/min 0¡ª15L/min 0¡ª25L/min