What finishes should be used on exit devices near the ocean or in saltwater environments?

Von Duprin Exit Devices (33A/35A, 98/99, etc) are handled on a case by case basis regarding their ability to handle salt and chemical environments.

  • Our powder coated finishes US28 (Anodized Aluminum) and 313AN (Anodized Duranotic – Dark Bronze) are superior to our chrome plated finishes such as US26D (Chromium – Dull) and US10 (Satin Bronze, Clear Coated) as well as others when installed in a salt or corrosive environment.

  • Additionally, the US28 and 313AN finishes are sprayed electro statically, wrapping all around the parts, providing a much greater ability to withstand the salt and chemical environments under their 3 year mechanical warranty and beyond.
  • The electromechanical exit devices (EL, QEL) have the same corrosion resistance for their mechanical parts. The electrical components such as the RX switch are weather resistant, not weather proof.

  • The Von Duprin 98 Series Exit Device is available in a 304 grade stainless steel alloy.  The 304 stainless steel alloy is corrosion resistant not corrosion-proof;  thus,  in highly corrosive applications the exit device may rust over time (e.g. center case covers, inside the end caps areas, etc.).

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