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Here's how Doboy
Portable / Tabletop Sealers Work:
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| Since the 1960s, thousands of customers have used the efficient and
durable Doboy HS Series sealers for sealing large and small packages made
of heat sealable
materials. If you're new to the Doboy sealers you may not be able to
look the sealer and easily understand how the machine works. The
following overview will help you to understand how the
HS-B,
HS-BII,
HS-C, and
HS-CII sealers operate.
Call us for access to videos of these sealers in operation!
Toll-free: 1-800-785-6785. |
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Read on to see
how these sealers can improve the seal quality and efficiency of your bag,
pouch, or Mil-Spec sealing operation! If you have any questions that
are not answered here, call us at 1-800-785-6785 for details about our new
and pre-owned Doboy sealers. Thank you for visiting www.BaggingGuys.com! |
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The following photos show a
Doboy HS-BII sealer. However, the principal of
operation (i.e.
feeding) is the same for all Doboy portable sealers, including
the HS-C,
HS-CII, HS-B, HS-BII, and Hospital Sealer.
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Step#
1 - Operator Inserts Material
into
Infeed End of Sealer |
Step
#2 - Sealer Automatically Moves Material Through Sealer |
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Because this is a continuous
motion sealer, the material to be sealed can be as small as a hand-held
pouch or as big as a truck or airplane "bag"!
For tabletop applications (as
shown), the pouch or bag moves through the stationary sealer.
When used as a handheld sealer
(usually for larger sealing applications), the operator holds the sealer
and guides it over the material to be sealed. |
The sealer has
belts or bands that move the material through the sealer at a fixed speed
of 200 inches per minute. Packages or materials heavier than a few
ounces will need to be supported by hand or with a conveyor. |
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Step
#3 - Sealed Material Exits
Discharge End of Sealer |
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The sealed material exits
the discharge end of the sealer with a straight, secure heat seal. |
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(Click on the Question Below to Jump to the Answer)
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What's the difference between an HS-C (or
HS-CII) and the HS-B (or HS-BII) sealers? -
The HS-C and the current model HS-CII (pronounced
HS-C2) are continuous band sealers designed to seal soft films like
polyethylene. The HS-B and the current model HS-BII (pronounced
HS-B2) are rotary-style sealers designed to seal laminated heat-sealable
materials. The HS-C style sealers create a 1/8" wide seal (a 1/4"
wide option is available). The HS-B style sealers create a smooth,
3/4" wide seal (an optional serrated, "crinkle" seal pattern is also
available - often used for polypropylene or cellophane bag materials). The HS-C series machines have a pair of Teflon-coated
steel bands that prevent the bag material from touching the hot metal
heating bars. The HS-B machines do not have this feature.
Therefore, you should never use soft, meltable films in the HS-B or HS-BII
sealers!
- return to list of FAQs - |
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How long will a Doboy sealer last? -
With care and a little preventative maintenance
your Doboy sealer will last almost forever. We have customers who
are still using models of these sealers that were built in the late
1960s! Machine life and maintenance requirements vary depending on
how frequently you use the machine, how clean or dirty your packaging
area is, and what type(s) of materials you are sealing! If you
have a maintenance staff or even limited mechanical ability you should
be able to maintain the machines easily by yourself! If not,
BaggingGuys offers economical ship-in service for these machines!
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| What's the difference between your pre-owned HS
Series sealers and the new HS-II (HS-CII and HS-BII) sealers?
Both of the respective sealer styles create the same size, type, and
quality of seal. The older HS-Series sealers are louder than the
newer II-Series sealers (e.g. the buzz of a small hair dryer versus the
hum of a desktop computer) because the older models use a motor that has an
impeller/blower attached to the drive shaft. The blower serves
various purposes, but generally makes noise. If you are using the
sealer in an quiet office environment, the newer style (HS-CII or HS-BII)
will be your best bet. |
Regarding the HS-B and HS-BII sealers, the older
sealers use a pair of small chains to grip the package and move it
through the sealers. New HS-BIIs are equipped with rubber timing
belts instead of chains. Both work equally well, but the chains
have to be oiled periodically and can sometimes leave traces of oil
residue on your package.
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My package is XX" long. Will these
sealers seal it? -
YES! No
matter how big or small your package is, the HS-Series sealers will seal
it. Because these are continuous sealers, they have the ability to
seal materials of infinite length! We have crating company
customers who seal items as large as a tractor trailer using the HS
sealers. If you're using a Doboy HS sealer, you
will no longer be limited by the length of your sealing jaw!
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| Will the older HS Series sealers (HS-C and
HS-B) sealers work for me? How long will they last compared to a
new sealer? -
Both the older and newer
style sealers are built for long, dependable service. If your
budget permits, we recommend the newer machines because they are
slightly easier to maintain and adjust. That said, the older
machines are designed to do the same job as the newer units and all
parts are still available for the older machines. If you do decide
to purchase a pre-owned HS-C or HS-B, we recommend selecting from our
inventory of sealers. Unlike many Used Equipment Dealers who know
nothing about Doboy sealers, we are Doboy experts, we carry all Doboy
parts, and we know all the Doboy machines, new and old! |
All of our used Doboy sealers are put through a
rigorous 21-step Inspection, Cleaning and Adjustment process to make sure
that the machine is not missing parts and is ready for its next owner.
Check our
Used Equipment Page or call us to learn more about our current
inventory. Sometimes we even have pre-owned II-series sealers
available!
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Can I trade in my old Doboy Sealer and upgrade
to a new one?
Yes! Unless your old machine is
completely worn and has lots of missing parts, we will usually offer
some trade-in value toward the purchase of a new machine. If you
would like to trade-in your old machine, please contact us to arrange
for evaluation of the old machine. We can typically evaluate the
machine via digital photos or by having you ship the old unit to
BaggingGuys.
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Will my HS-C or HS-CII seal Mil-Spec laminates
(e.g. foil, Kraft paper, scrim-back)? -
Sometimes. Because the HS-C series sealers
are in fact heat sealers, they will generally seal ANY heat sealable
material (notable exceptions are some cellophane and polyPROpylene
bags).
The seal created by the standard HS-C or HS-CII is only 1/8" wide, so if
the machine will seal your other materials (e.g. Mil-B-131, Mil-B-117,
Mil-B-81705) keep in mind that the seal width will be narrower than if
sealed using the HS-B series machines. However, if 90+% of your
business is sealing soft polyETHYlene (LDPE) bags and you have only an
occasional need to seal laminated materials, the HS-C or HS-CII will
probably be your best bet! - that is until you can justify purchasing
one of each model sealer.
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Do I need to get the C-Clamp or Cast Iron
Support Base?
(A C-clamp with Mounting Bracket is included with all new HS-series
sealers.) You don't have to use
these options, but unless you are planning to use the machine as a
handheld unit, one of the mounting options is highly recommended.
About 80% of our customers use the sealer in one location, all the time.
Those users prefer the C-clamp. Another 10% of customers move the
sealer from table to table and prefer the Cast Iron Mounting base due to
its portability. The remaining 10% of our customers use the sealer
to seal large items (e.g. packing and crating companies seal large
printing presses, generators, helicopter rotor blades, etc) and use the
sealer as a handheld device - these customers use the sealer without a
C-clamp or Mounting Base.
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Doboy Continuous Sealers are
EFFICIENT!
You can seal several small pouches at one time (one
after the other) OR for longer packages, there is no need to seal the bag
several times (because your current sealing jaw isn't long enough for the
bag!) Doboy sealers seal bags of any width, all in one 200
inch-per-minute pass! |
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