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
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Pressure Seal Global Valve
2012-04-01