... National Patent. Structure: This Equipment is made up of pressure-reducing system, desuperheater systerm, safety system and automatic controlling ... not big than 80 dBA.Supply Scope:1. Pressure-reducing system: pressure reducing valve, throttle panel and so on.2. ... on.4. Accessories: globe valve, bimetal thermometer and its joint, pressure gauge, three-way valve, syphon, joint,flange, gasket, nut, ...