Fully welded gate valves - Type S43.3

  • Fully welded gate valve design
  • Non-rising stem
  • Underground design

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Fully welded gate valves of type S43.3 are designed for use in a range of pipe diameters (DN 50-400) and pressure ratings (PN 16-100). These valves feature a non-rising stem and an underground design, with options for welded or flanged connections. They are constructed from various materials, including A350 LF2, A694 F52, and Stellite, ensuring durability and performance in temperatures ranging from -46°C to 100°C. The valves are suitable for applications requiring reliable shut-off and flow control, with specific dimensions and weights provided for different sizes. The valves are available with handwheel and gear options, and are ideal for use in environments where reliable and durable shut-off is essential.

Use Cases

  • Typically used in hydrogen and related industrial applications.

Capabilities

  • Designed for DN 50–400 pipeline sizes
  • Supports pressure ratings PN 16–100
  • Operates with medium temperatures from -46 °C to 100 °C
  • Supports welded end connections (EN 12627) and optional flanged connections (EN 1092-1)
  • Available with handwheel or gear actuator depending on size
  • Constructed with materials including A350 LF2, A694 F52, and Stellite overlays for mechanical durability
Vexve Oy

Vexve is the leading European provider of valve solutions for the energy infrastructure and selected energy-intensive industries. The company is known for the superior product quality, expertise of its personnel, and reliability as a partner. Vexve aims to be the leading provider of mission-critical valve solutions in the transition to a low-carbon future.

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