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TVN V152 Rising Stem Gate Valve is a type of gate valve which is able to follow the opening/closing position by moving the stem up & down movement, is able to follow electronically the movement by adding a monitoring key, and full open position does not disrupt the flow. Rising Stem Gate Valve generates low head loss according to butterfly valves.
Application Range
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Potable water applications
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Waste water
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Water treatment and distribution systems
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Mining industry
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Shipbuilding and drilling facilities
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HVAC systems
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Rising Stem Gate Valve Product Features
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GGG40/50 Ductile Iron Body & Disc allows high impact and streching resistance
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With Full Bore design, ensures minimized pressure loss and increased energy efficiency
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Maintenance free valve design
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Fully EPDM vulcanised wedge maintains full stop of flow and can absorb smaller particules in the flow. (NBR coated wedge is optional)
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Stainless steel stem with threads for high strength
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Maintenance-free and corrosion-resistant multi stem O-rings ensures higher durability
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Brass wedge nut provides fixation of the stem and low torques.
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With isolated bonnet nuts, no risk of corrosion
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Bidirectional use. Possible to install on horizontal and vertical pipelines with varied flow directions
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Fixed wedge structures prevents vibration
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With precise machined stem, ensures low torque requirements during operation
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Full coating on the body and disc internally & externally with an average of 250 microns. Higher coating thicknesses are available when required.
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WRAS approved coating available upon request which meets hygienic requirements for potable water applications
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For big size valves, balanced positioned lifting holes on the body ease transportation and installation
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Suitable for vacuum conditions
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Suitable for shut-off and isolation purposes. Not suitable for regulation purposes
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Electrical actuator connection is done with an intermediate top flange arrangement
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Suitable to use with above-underground applications. Can be operated with handwheel, gearbox, actuator and spindle
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Hydrostatic test pressure for seat: PN x 1.1 , for shell: PN x 1.5 according to EN 12266-1.