SMO 254 Valves

Need a dependable smo 254 valve? SMO 254 Valves on MetalMitra come in manual and actuated configurations, ready for flow isolation and control.

SMO 254 Valves are flow-control devices used to start, stop, regulate or prevent backflow of liquids and gases in process and utility piping.

SMO 254 (UNS S31254) is a 6% molybdenum super-austenitic stainless steel built for chloride-rich service. SMO 254 (UNS S31254) is a high-alloy 6Mo super austenitic stainless steel with high molybdenum and nitrogen, offering excellent resistance to pitting and crevice corrosion in chloride-bearing media.

Available forms & variants

• Ball Valves — Quarter-turn valves for quick and tight shut-off.
• Gate & Globe Valves — Isolation and throttling valves for process lines.
• Check Valves — Non-return valves to prevent reverse flow.
• Needle & Butterfly Valves — Fine flow control and large-bore regulation.

Performance highlights

• 6Mo Super Austenitic — High molybdenum and nitrogen content for severe environments.
• Pitting Resistance — Excellent resistance to pitting and crevice corrosion.
• Seawater Service — Suitable for seawater and brackish water systems.
• Good Weldability — Austenitic structure supports reliable fabrication.

Typical applications

• Seawater Handling
• Desalination Plants
• Pulp & Paper Bleaching
• Chemical Processing
• Offshore Oil & Gas
• Flue Gas Desulphurisation
• Food Processing
• Heat Exchangers
• Marine Engineering
• Pharmaceutical
• Fabrication
• General Engineering

Quality checks & certification

Every lot of SMO 254 Valves sourced through MetalMitra can be inspected and documented to the governing standard and your purchase order.

• Dimensional inspection
• Visual inspection
• Grade verification against the order
• Shell and seat pressure testing
• Valve operation testing
• Positive Material Identification (PMI) as applicable
• EN 10204 3.1 Mill Test Certificate
• Third-party inspection (TPI) on request

Why buy through MetalMitra

• Checked sellers only — Every supplier profile is screened by MetalMitra before it goes live.
• Faster sourcing — Post one requirement and receive competitive offers without chasing calls.
• Paperwork sorted — MTC 3.1, test reports and TPI arranged as your project demands.
• Global logistics — Seaworthy packing and dispatch to project sites across the world.

Ready to buy?

Send your size, grade, quantity and delivery location for SMO 254 Valves, and matching suppliers on MetalMitra will come back with offers.

Technical note: Figures shown are indicative. Final acceptance should be based on the applicable standard, approved drawings and the MTC supplied with the material.