Gost globe valve
Globe valve, also known as the cut-off valve, is a forced-sealed valve, so the valve is closed, the pressure must be applied to the valve flap to force the sealing surface does not leak.
When the medium from below the valve into the valve, the operating force needed to overcome the resistance is the valve stem and packing friction and the thrust generated by the media pressure, off the valve force than the valve open, so the valve stem The diameter should be larger, otherwise it will happen valve stem bend.
Gost globe valve is designed according to the Russian standard size and pressure.
Model by GOST: 15нж65нж,15нж22нж
Model by GB: J41H,J41W
Main Materials: carbon steel, low temperature steel, stainless steel, alloy steel etc.
Body and wedge : 25Л, 20ГЛ, 12Х18Н9ТЛ,CT.12X18H12M3TЛ,20Х5МЛ
сталь 20; 20Л; 25Л;- сталь 09Г2С; 20ГЛ;- сталь 12Х18Н9ТЛ;- сталь 12Х18Н12М3ТЛ; сталь 10Х17Н13М2Т
Face-to-face GOST12815,GOST 12819,GOST 3706-93
Flange Ends GOST 33529,Type 1,type2
Mill test Certificate