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Products Fire Protection Rising Stem Gate Valves

Rising Stem Gate Valves

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Rising Stem Gate Valves are products which prevent water flow and leakage when fully closed. When the valve is fully opened, it does not have any affect which disturbs water flow. Sealing is achieved by metal rings on the body and on the wedge. When the rings match with each other, they provide sealing. The wedge moves up and down by turning the revolving stem provided with a functional thread, enabling opening and closing of the valve. With its rising feature, the user can detect from long distances whether the valve is open or closed and act immediately on the situation. Furthermore, the optional protection tube that is located at the top of the valve acts as a protection to the rising stem which prevents obstacles from contacting to the stem, and indicates whether the valve is fully opened or not. On the stem, accessories such as actuator, extension spindle, gearbox, chainwheel etc. can be assembled. DVD Rising Stem Gate Valves can be manufactured from GG25, GGG40 – 40.3 – 50, GSC25, SS304, SS316 and NAB materials. DVD Valves does not recommend Gate Valves to be used for regulation purposes.

Rising Stem Gate Valves
:Size DN 40…DN 1000
:Operating Pressure PN 10 - 16 - 25 - 40 - 50 – 63
:L Size Standart EN 558-1 SERIE 14 (DIN 3202 F4)
EN 558-1 SERIE 15 (DIN 3202 F5)
EN 558-1 SERIE 3 (BS 5163)
:Flanges ISO 7005/2
EN 1092/2
BS 4504
BS 10E
ANSI


 
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