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How strange and wondrous it must be to gaze 2011-08-02
How strange and wondrous it must be to gaze from some celestial perch
and see history -- your history -- being relived.
Generally it is better to use fully open 2011-08-01
Yes, but believe it are not there is a flow direction on them. So look
for the arrow pointing the direction of flow.If
a globevalve but the flow characteristics of full bore specification 2011-07-13
A pioneering range of Pneumatic Actuated Gate Valves, with the sealing performance of a globevalve but the flow characte
The orifice is small and the force advantage is high 2011-07-12
The orifice is small and the force advantage is high so needle valves are easy to shut off completely with mere
in order to position the disc to install the valve stem 2011-07-08
Valve opening and closing is a disc-shaped pieces of the disc, the valve body around its own axis of rotation, or adjust
