Forged steel globe valve according to the manufacturing API602 scale plan provides three cover plan situation: bolted bonnet, welded bonnet, pressure from precision seal bonnet, users can the credentials necessary to choose different situation, provide RF flange, NPT threads, SW, three methods of adjacent welded. Fluorine-butterfly cut-off valve fluorine-butterfly practical in - stop valve Aqua regia, 50 ~ 150 ℃ of concentration of sulfuric acid, hydrochloric acid, hydrofluoric acid and organic acid, strong acid, strong oxidizer, also suitable for a variety of concentration of alkali organic solvents and other corrupt gas, liquid medium used on the pipeline. API American standard cut-off Industrial Valves American standard cut-off valve ANSI and API scale, disc and seat sealing surface to accept difference of hardness too stand ( Stellite） Cobalt-based hard alloy surfacing and become, reliable sealing, high hardness, wear resistance, high temperature resistant, resistant to decay, good abrasion resistance, long service life. National standard globe valves gb cut-off valve is commonly used in the cut-off valve series products, seat and disc sealing face to accept difference of hardness too stand ( Stellite） Cobalt-based hard alloy surfacing and become, reliable sealing, high hardness, wear resistance, high temperature resistant, resistant to decay, good abrasion resistance, long service life. Needle valve type needle valve is a kind of small diameter gauge valve, in a meter in the measurement of pipeline system of opening and closing and accurate flow control effect, have important plant instrument series, oilfield special series, series and so on. Low temperature cut-off valve globe valve usually refers to what the temperature is below - at low temperature 110 ℃ valve, throughout applied in liquefied natural gas, liquefied fuel gas and other industries in low temperature. Now can make practical temperature da 196 ℃ cut-off valve, acceptance of liquid nitrogen at low temperature the disposal of punishment, all parts completely stop using the course of deformation of seal leakage. Plunger valve plunger valve, plunger valve, the sealing surface radial seal layout, by a set of fortress of two elastic sealing ring in the ground beams through the body and cover on the adjacent bolts on the cover of the elastic sealing ring around the load of the plunger pressure seal globe valves. Heat preservation jacket cut-off valve insulation jacket plan, use of external heat circulation heating, the outside of the valve can be useful against medium through the valve when the temperature is lost, guaranteeing the temperature of the medium. Forged steel globe valve according to the manufacturing API602 scale plan provides three cover plan situation: bolted bonnet, welded bonnet, pressure from precision seal bonnet, users can the credentials necessary to choose different situation, provide RF flange, NPT threads, SW, three methods of adjacent welded.
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