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Heat  Sealing  Equipment  for  Mil-Spec &  Industrial  Bag  Packaging  Applications

Doboy B-550 Continuous Band Bag Sealer

The Doboy B-550 is an industrial, continuous band sealer designed for sealing heat sealable materials including polyethylene, foil laminates, Poly / Tyvek pouches, paper laminates, and almost any other heat sealable bag or material!

The B-550 is made in the USA and is a hybrid version of its popular and proven predecessor - the Doboy B-500 - and its big brother, the Doboy CBS-D.

The expanded heat sealing section permits higher speed operation.  This Doboy sealer still features compression (gusset) rollers and air-cooled seal cooling standard!  It comes with 1/4" (6mm) Seal Width and has Optional Seal Widths of 3/8" (9mm), 1/2" (12mm), and 3/4" (18mm).

Ideal for sealing bags of dry food, fresh food, produce, snack mixes, tortillas, flat bread, candy, bakery mixes, pastry bags, IQF products, shredded cheese, shredded tobacco, garments, uniforms, chemicals, at medium to high speed.

Bosch Doboy B-550M - Style A - Photo
Style A, B-550M Medical Series Sealer Pictured

Machine Features

  • Digital Temperature Controller with 7.5" OAL Heating Section
  • Sealing Pressure Control via Heater and Compression Roller Gap Adjustment
  • Rockwell 60 Anodized Aluminum Heat Bars
  • Teflon-coated Fiberglass Sealing Bands
  • Compression Rollers for Secure Sealing of Side Gusseted Bags
  • Air Cooled Bars Cool Bag Under Pressure for Strong, Aesthetically-pleasing Seals
  • AC Variable Speed Drive for Consistent Speed Control
  • Full-length, Urethane Timing Belts for Easy Bag Feeding & Positive, Precise Bag Top Control
  • Extremely Fast, Tool-less Sealing Band Changes
  • See-Through Polycarbonate Guard with Safety Interlock
  • Effortless, Hand-crank Height Adjustment
  • Machined Aluminum Plate Frame Construction and Formed Steel Floorstand
  • Made in USA

Options / Accessories

Machine Specifications

Standard Seal Width
1/4" (6mm)
Speed Range
300-1,000 IPM
Recommended Bag Thickness
1.5 to 5 mil
Right to Left
Bag Orientation (select one)
0º or 90º
Sealing Height (adjustable with Hand Crank)
28" - 45.5" (vert) & 31" - 39" (horiz)
Overall Length
Overall Width
26" (vert) & 26.5" (Horiz)
Overall Height
28-45.5" (vert) & 31-39" (Horiz)
Machine Weight
325 lbs (148 kg)
110 V / 60 Hz / 1 Phase