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Patent
Nos. 4250926, 4342336
Standard Double-Acting
Profiles
Inflatable Seals Features:
- Inflatable
Seals have a Pressure Tight Closure to 500 PSIG
- Featuring
the Virtually-Indestructable Inflatable Seals "Double-Acting" Inflatable
Ring
- Simple
Design Minimizes Close Tolerance Requirements (Straight/Curved/Round)
Inflatable Seals Applications:
- Sealing/Packing
- Wind
Tunnels
- Underwater
installations
- Radiation
barriers
- Positive
seal on water dam gates
- Automated
lifting/gripping processes
Inflatable
seals work by introduction of an inflation pressure into
the cavity of the inflatable seals. This inflation pressure
causes the displacement of the seals effecting a positive
seal between the seals and the surface to be sealed. Once
the seals inflation pressure is removed the seal returns
to its uninflated position (memory).
Regulated
air is the commonly utilized inflatable seals medium while
in some applications pnuematic (gas) or hydraulic (liquid)
methods
are suitable. Inflatable seals offer versatile configurations
in three different planes: radially in, radially out, and
axially.
Strips
can be in closed ends, mitered ends,and continuous loops.
Mechanical Research & Design can produce inflatable seals
from many elastomers including Butadiene Styrene (SBR), Chloroprene
(Neoprene), Ethylene propylene (EPDM) and Fluorinated Hydrocarbon
(Viton®). Viton(R) is a registered tradmark of DuPont
Dow Elastomers
Inflatable
seals accessory items such as machined seal housings and
inflation control
devices are available. Inflatable seals are available for
immediate delivery from stock. CUSTOM SHAPES AND SIZES ARE
ALSO AVAILABLE UPON REQUEST.
Mechanical
Research & Design has patented the SEALFAST "Double-acting"
Ring Principle as explained on the page entitled "SEALFAST
Design" on this web site. (Patent Nos. 4250926, 4342336.)
Face
Seals
The Face Seals expand outward and seals against a face.

For
more information on SEALFAST Design, click
here.
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