Formax FD 430 Envelope Sealer

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43.00 (in)
15.00 (in)
15.00 (in)
  • Formax FD 430 Envelope Sealer
  • Adjustable envelope separator ensures accurate feeding
  • Variable speed control
  • Precision moistening roller and flap feeding plate accurately seal both stacked and nested envelopes
  • Large outfeed tray handles envelopes up to 9.75″ W x 15″ L



Formax FD 8732HS High Security Paper / Optical Media Shredder

Sealing Envelopes Just Got a Whole Lot Easier

The Formax FD 430 Envelope Sealer simplifies the process of closing and sealing envelopes in a single pass. With its user-friendly design and high-speed operation, it ensures that your mail is sealed and ready for dispatch in no time.

Simply place a stack of envelopes in the infeed tray, choose the desired processing speed using the adjustable control knob, and in seconds, your envelopes are sealed and ready for mailing.

Key Features:

  • User-Friendly Operation: Load envelopes, select speed, and start sealing.
  • High-Speed Processing: Seal up to 18,000 envelopes per hour.
  • Versatile Size Handling: Accommodates envelopes up to 9.75” wide, 15” long, and 16mm thick.
  • Precision Moistening Roller: Efficiently transfers water to the envelope flap for a secure seal.
  • Flap Closing Bar: Allows for standard stack or nested envelope loading with flaps open.
  • Adjustable Envelope Separator: Ensures accurate feeding, one envelope at a time.
  • Large Outfeed Tray: Neatly stacks a variety of envelope sizes after sealing.
  • Durable Construction: Heavy-duty steel body for long-lasting use.


  • Speed: Up to 18,000 envelopes per hour
  • Infeed Capacity: Up to 4.5” stack height*
  • Outfeed Capacity: Up to 4.5” stack height*
  • Media Size: Up to 9.75” Wide, Up to 15” Long
  • Envelope Flap Length: Standard: up to 2.75”, Extended: up to 4” (with optional kit)
  • Package Thickness: Up to 16mm
  • Dimensions: 43” L x 15” H x 15” D (including outfeed tray)
  • Weight: 55 lbs (25.6kg)
  • Power: 110V, 60 Hz
  • Safety Certifications: CE

*Capacity varies depending on the thickness of the envelope and contents.

Additional Options:

  • FD 430-10 Extended Sealing Kit: For flaps up to 4” long.
  • FD 430-20 Square Flap Moistening Basin and Roller.

Forget the days of hand-sealing envelopes and let the Formax FD 430 streamline your mail preparation process. With its precision, speed, and durability, the FD 430 is the ideal solution for efficient and reliable envelope sealing.


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