Purpose :
Relief valve ТУ У 29.1-33704680-014:2011 are used to automatically protect of thermal power plant equipment and pipelines, transmitting water, steam from unallowable pressurizing by the way of excess working medium discharge
Relief valves, shown at pic.1, 2, 3, 4, 5, 6 and 7, operate as a part of pilot-relief device togetherwith corresponding pilot valve
Relief valves, shown at pic.8, 9, 10 and 11 are direct-acting valves.
Drive type: lever (Рч) and servodrive (Сп).
Sealing surface: corrosion-resistant steel.
Connection to pipeline:flanged (2)by welding (3), male (5).
Operating medium flow: in the direction of body indicator.
Installation position - horizontal, with stem up.
Ambient class: У3 according to GOST 15150.
← impulse supply from pilot valve.
