PIPING DETAILS SHUT-OFF VALVES (495) 660-81-92 INFO@BK-PROM.RU REQUEST CONTACTS DELIVERY SPECIALS ABOUT COMPANY DRIVING DIRECTIONS BK Promservice >> Stop valves >> Gate valves Gate valves Valve prices Nomenclature Gate valves are a type of shut-off valves, in the process of operation of which, the locking element is in the extreme positions "open" or "closed". Gate valves are usually made full bore, that is, the diameter of the through hole of the valve approximately corresponds to the diameter of the pipeline on which it is installed. Steel flanged gate valve 30s41nzh nominal pressure 16 atmospheres medium temperature up to 435 ° C application environment water, steam, oil, non-corrosive media Components Material body, cover carbon steel 25 nuts, stud, carbon steel 20 swing bolt, lock nut carbon steel 20 discs, spindle 2Cr13 flywheel malleable iron stuffing box, stuffing box elastic graphite gasket elastic graphite + metal plate Cast iron flanged gate valve 30ch6br nominal pressure 10 atmospheres medium temperature up to 200 ° С application environment water, steam Components Material body, discs, cover, wedge, lock nut gray cast iron (cch20) spindle carbon steel flywheel steel, gray cast iron (сч20) stuffing box graphite stuffing box gasket asbestos sealing ring, running bushing gray cast iron (cch20) Cast iron flanged gate valve 30ch39r with rubber wedge nominal pressure 16 atmospheres medium temperature up to 75 ° C (T-90, blue) up to 150 ° C (T-130, red) application environment water, steam (T-130, red) Components Material case, disi, cover nodular cast iron QT450 seal EPDM spindle steel 45 flywheel, nuts, stud steel 18 swing bolt, lock nut steel 18 gasket paronite stuffing box elastic graphite stuffing box graphite FLANGES FASTENERS BENDS TEES PLUGS FITTING BALL VALVES CLOSURES GATE VALVES VALVES FILTERS GASKETS CRANES