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Help CenterGV-DS014 BS EN Non-rising Stem Underground Installation Valve
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GV-DS014 BS EN non-rising stem underground installation valve
Description of underground installation valve :
Underground installation valve.Stem nut in ram, hand wheel rotate to drive the stem, and make the damper to ascend, usually at the bottom of the valve stem has a trapezoidal thread, through the valve at the bottom of the thread and the guide groove on the disc, the rotary motion to linear motion, which is the operating torque thrust into operation.Non-rising stem gate valve open-close part is ram, ram movement direction perpendicular to the direction of flow and the valve can only be fully open and close, not to adjust and throttling.
Technical data of underground installation valve :
Working pressure: PN10/16 ,Class 125/150
Working temperature: NBR 0-80℃ EPDM 0-100℃
Design standard: MSS SP-70,BS EN1171:2002,DIN3352-F5,DIN3352-F4
Face to face is according to: EN558,ASME B 16.10
Flange drilled is according to: EN1092,ASME B 16.1-16.5
Material of Main Parts:
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