Cast Steel Wedge Gate Valves With Non-Rising Stem
Design features
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Design Features
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Benefits
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Cast carbon or alloy steel valve body and gate.
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Resistance to chemical and temperature effects of line medium.
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Full bore body construction.
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Free medium flow
Clear pass for maintenance and diagnostic equipment.
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Corrosion-resistant over welding of the trim.
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Increased reliability and service life of the gate valves.
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Pressure relief plug in the cover.
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Pressure relief
Additional tightness of the gate (by boosting pressure inside).
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Rolling bearings in the yoke.
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Decreased effort of the actuator.
Easier valve operation.
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Usage of thermo expanded graphite for sealing gland.
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Less stem friction wear-out.
Extended service life of the element.
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Part name
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Material
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DIN
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ASTM
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Body
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GS-C25; GS-C25N, GS-16Mn5,GS-20Mn5
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A216 Gr WCB, A216 Gr WCC
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Wedge
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GS-C25; GS-C25N, GS-16Mn5,GS-20Mn5
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A216 Gr WCB, A216 Gr WCC
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Stem
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X20Cr13
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A473, A580, AISI 420
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Gasket
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Thermal Expanded Graphite
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Cover
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GS-C25; GS-C25N, GS-16Mn5,GS-20Mn5
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A216 Gr WCB, A216 Gr WCC
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Nut
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C35, 41CrS4
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A915, AISI 1035, A331, AISI 5140
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Pin
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C35, 41CrS4
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A915, AISI 1035, A331, AISI 5140
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Gland
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Thermal Expanded Graphite
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Bushing
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C22
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A556, AISI 1020
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Flange
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RSt37-2
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A283/C
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Thread bushing
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Bronze
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Body ring overlay
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Corrosion-resistant over welding
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Wedge overlay
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Corrosion-resistant over welding
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Used as stop valves for pipelines transporting:
- water, vapor and other nonflammable, non-explosive and non-toxic media (Water);
- oil, petrochemical products, synthetic oil and other explosive flammable liquids (Oil).
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