Formax FD 432 Envelope Sealer — Up to 18,000 Envelopes/hr
$10,695.00
💳 Prefer monthly payments? Most machines qualify for leasing — estimate your monthly payment or call 866-430-2874.
Formax FD 432 envelope sealer closes and seals up to 18,000 envelopes per hour, handling pieces up to 13in x 15in and 15mm thick. Includes a 180-day defect warranty, 10% off an extended warranty, and an $860 SuppliesForMailers.com gift certificate.
Description
About the FD 432
The Formax FD 432 is an envelope sealer that closes and seals envelopes in a single pass at speeds up to 18,000 envelopes per hour. It handles envelopes up to 13in wide by 15in long and up to 15mm thick, so everything from standard #10s to stuffed booklet envelopes runs through it. A variable speed control knob lets the operator match pace to the job, an adjustable envelope separator keeps feeding clean, and a precision moistening roller wets flaps evenly for a reliable seal without oversaturating.
The FD 432 earns its keep in mailrooms and lettershops that fill envelopes on equipment without built-in sealing, or that hand-stuff odd jobs. Its flap closing bar accepts standard stacked or nested envelopes with flaps open, so it drops straight into the workflow after inserting: stack the filled envelopes, run them through, and collect them from the large outfeed tray ready for postage and traying. Heavy-duty metal construction keeps it steady through long runs.
Formax FD 432 Specifications
| Model | Formax FD 432 Envelope Sealer |
|---|---|
| Machine type | Single-pass envelope closer and sealer |
| Speed | Up to 18,000 envelopes per hour, variable speed control |
| Infeed capacity | Up to 4.5″ stack height (114 mm)* |
| Outfeed capacity | Up to 4.5″ stack height (114 mm)* |
| Media size | Up to 13″ W (330 mm) x 15″ L (381 mm) |
| Envelope flap length | Standard up to 2.75″ (70 mm); extended up to 4″ (102 mm) with the optional extended sealing kit |
| Envelope thickness | Up to 15 mm |
| Moistening | Precision moistening roller |
| Loading styles | Flap closing bar accepts standard stacks or nested open envelopes |
| Feeding | Adjustable separator ensures single feeding |
| Output | Large outfeed tray |
| Construction | Heavy-duty steel construction |
| Dimensions (including outfeed tray) | 43.7″ L x 14.3″ H x 17.7″ D (111 x 36 x 45 cm) |
| Weight | 71 lbs (32 kg) |
| Power | 110V, 60 Hz |
| Safety certification | CE |
| Origin | New Hampshire, USA |
Specifications above are transcribed from the Formax spec sheet on file for this exact model (FD-432-Spec-Sheet-1-AFM.pdf, dated 10/2025). *Stack heights are variable depending on the thickness of the envelope contents, per the spec sheet.
Why buy from All For Mailers
All For Mailers is a veteran-owned dealer, established in 2006 — our people have been in the mailing equipment business since 1991. When you call, you reach real people who know these machines, and our in-house refurb bench stands behind every unit we ship. Your FD 432 includes freight quoted with the order, a 180-day defect warranty (consumables excluded), 10% off an extended warranty, and an $860 SuppliesForMailers.com gift certificate.
Need supplies or parts? Visit SuppliesForMailers.com.
Additional information
| Speed (pieces/hr) | Up to 18,000 envelopes/hr |
|---|---|
| Max Media Size | Envelopes up to 13 in x 15 in |
| Media Thickness | Up to 15 mm |
| Feeder Capacity | Infeed up to 4.5 in stack height |
| Dimensions | 43.7 in L x 14.3 in H x 17.7 in D (including outfeed tray) |
| Weight | 71 lbs (32kg) |
| Power | 110V, 60Hz |
Official product video from Formax.
Frequently Asked Questions
What envelope sizes can the FD 432 seal?
Envelopes up to 13″ wide by 15″ long and up to 15 mm thick, fed stacked or nested with flaps open.
What warranty comes with it?
A 180-day defect warranty (consumables excluded), with 10% off an extended warranty at purchase.
How does the FD 432 compare to the older Formax FD 430?
Both seal up to 18,000 envelopes per hour, but the FD 432 takes wider media — 13″ W versus 9.75″ W on the FD 430 — and publishes a 4.5″ infeed/outfeed stack height plus an optional extended sealing kit for flaps up to 4″.
How does the FD 432 ship?
It is drop shipped, with freight quoted with your order. Call 866-430-2874 for delivery details.
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