Globe Valve Series

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Pressure Seal Global Valve

2012-04-01

 

A Pressure Seal Globe Valve is a somewhat simplistic design but is crucial to modern plumbing and manufacturing. In use for more than 139 years, the Globe Valve was originally designed to help with the newly invented steam engine. The globe valve design is so efficient its remains a mainstay in pluming and industry here in the 21st century.
(1) structure is more simple than  Gate Valves, manufacture and repair is more convenient.
(2) sealing surface not easy wear and scratches, , good sealing, there is no relative sliding between disc and body when open, so wear and bruises are not serious, sealed performance is good, long service life.
(3)when close and open, disc trip is short, thus the height of cut-off Actuated Globe Valve is smaller than gate valves, but length of structure is longer than gate valves.
(4) moment is large, on and off is arduous, on-off time longer.
(5) fluid resistance is great, because body medium channel is tortuous, fluid resistance is large, power consumption is large.
(6) medium flow direction when nominal pressure PN