Nord-Lock M12 Standard Washer SMO 254 | AIMS Industrial

The Nord-Lock SMO 254 Standard Washer Metric is a wedge-locking washer pair in EN 1.4547 SMO 254 high-performance austenitic stainless, engineered for bolted joints in severe chloride, acid and saline environments where standard 316L stainless fails due to pitting or crevice corrosion.

Chemical and Process Industries

• Bolted connections in chloride-containing processes where standard stainless fails
• Acid and alkali handling equipment in aggressive process environments
• Heat exchanger, reactor vessel and pressure vessel fastening in chloride service
• Chemical dosing, bleach and hypochlorite system bolted joints

Marine and Offshore — Severe Exposure

• Subsea, splash zone and continuous immersion connections requiring superior chloride resistance
• Offshore platform structural and equipment fastening in severe salt environments
• Desalination plant fastening where high chloride concentrations are present
• Marine riser and subsea structures beyond the range of standard 316L stainless

Water and Wastewater Treatment

• High-chloride water treatment plant fastening where standard stainless corrodes
• Brine handling and evaporation plant bolted joints
• Saltwater cooling systems and heat exchanger fastening requiring high pitting resistance

Pulp, Paper and Mining

• Bleach plant and chlorine dioxide system fastening in pulp and paper
• Mining process equipment in acidic or chloride-rich slurry environments

Offshore Renewable Energy

• Tidal and wave energy equipment in sustained submersion environments
• High-hygiene fastening in seawater cooling and food-grade brine systems