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American Standard stop valve
Nominal pressureClass150 ~ Class2500
Shell test2.93~37.5
High-pressure seal2.07~27.5
Low pressure seal0.6
Temperature-196℃ -550℃
MediumWater, oil, gas and various corrosive media
PDF DownloadProduct overview
The valve stem nut is made of aluminum bronze and the design of large-scale valve passenger thrust bearing makes the valve easy and flexible to open.
The packing gland is a two-part design, which can avoid the stem jamming caused by flattening.
The filler is made of flexible graphite. Reliable sealing performance. Packing spacer ring and grease filling structure can be provided when required by users.
The design of sealing on the valve can ensure the packing when it is fully opened. Reliable sealing. Replacement of packing under pressure is not recommended.
Lift valve stem. The contact between the valve stem head and the valve disc. Inlaid with an alkyne hard stainless steel material. So that it will not dry and deform due to extrusion. Or affect the flexibility of valve disc action due to corrosion.
Executive standard
Design standard：API 6O0 BS 1873
Pressure temperature：ASME B16.34
Structure length：ASME B16.10
Flange size：ASME B16.51 ASME B16.47
Butt welding end：ASME B16.25
Test inspection：API 598