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J41W stainless steel flange globe valve

J41W stainless steel flange globe valve

J41W stainless steel flange globe valve stem and valve seat sealing surface perpendicular to the axis. Stem to open or close the relatively short trip, and has a very reliable cutting action, making this valve is suitable for medium off or adjusted and throttling.
Features stainless steel globe valve
(1) simple structure than the gate, manufacturing and maintenance are more convenient.
(2) sealing surface easy to wear and abrasion, sealing, and no relative sliding between the valve and the valve sealing surface when opening and closing, and thus wear and abrasion are not serious, good sealing performance, long service life.
(3) when opening and closing, the valve stroke is small, and thus the height of cut-off valve is smaller than the gate, but the structure is longer than the length of the gate.
(4) opening and closing torque, relatively effortless opening and closing, opening and closing time principal.
(5) fluid resistance, due to the more tortuous path valve body medium, large fluid resistance and power consumption.
(6) the nominal flow direction of medium PN≤16MPa, commonly used downstream, upstream from the valve disc media direction; when nominal PN≥20MPa, generally countercurrent, media direction downstream from the valve. To increase the seal performance. When used, the cut-off valve medium flows in one direction only, you can not change the flow direction.
(7) when fully open valve are often subject to erosion.
The design and manufacturing standards
1, designed and manufactured by GB12235-89
2, the length of the structure by GB12221-89
3, flange dimensions according to JB / G79-94
4, valve inspection and test according to GB13927

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