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Gate Valves

Forged gate valves - Type S43.1

Vexve Oy

  • Designed for use in power engineering and chemical industry
  • Suitable for water, steam, gas, and other fluids
  • Available with manual, electric, or pneumatic actuation

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Description Vendor

High-pressure gate valves, type S43 AG, are robust, forged steel valves designed for critical energy applications, including high-pressure steam and water pipelines up to PN 400 and \(500°C). Featuring a self-sealing bonnet, flexible wedge, and hard-faced seating surfaces (Stellite 6), these valves provide reliable shut-off in power and chemical industries.

Use Cases

  • Power engineering
  • Chemical industry
  • Other industries depending on material selection

Capabilities

  • Shut-off valve functionality for pipeline isolation
  • Compatible with water, steam, gas, and other fluids
  • Multiple actuation options: manual, electric, pneumatic
  • Optional features: bypass valve(s), pressure cavity release system
  • Can be installed in vertical or horizontal orientation
  • Tested for strength, tightness, and operability (EN 12266)
Vexve Oy Vexve Oy is a manufacturing company specializing in valves for energy infrastructure and is developing hydrogen-ready flow-control solutions. The company’s broader business is based on fluid-control components and application engineering, with equipment selected according to media compatibility, pressure and temperature range, leakage requirements, connection standard, actuation, and the architecture of the surrounding system. The business is mainly B2B and specification-driven, with components selected or engineered to match the operating conditions and standards of the surrounding hydrogen equipment or plant. For hydrogen, the company applies this flow-control expertise to the specific valves, regulators, fittings, manifolds, or related assemblies identified in its hydrogen offering, rather than to hydrogen production as a standalone activity. Its welded ball and butterfly valves can be adapted for hydrogen distribution and sector-coupling networks. The company brings district-energy and gas-valve manufacturing expertise to emerging hydrogen pipeline infrastructure. Within the hydrogen value chain, Vexve Oy therefore serves mainly as a component supplier to equipment OEMs, plant builders, gas-system integrators, test facilities, and infrastructure operators.
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