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TYPICALINFLATABLESEALCONFIGURATIONS
G-15 G-5 G-1 G-12 G-21
Photoaboveshowscut sectionsof varioussealswith width (W1dimension) rangingfrom .56to 3.06 inches.
C-92 P-1 P-2 P-3 P-4
Photoaboveshowscut sectionsof varioussealswith width (W2dimension) rangingfrom .50to 9.00 inches.
P-26
RETAINING SYSTEMS
Proper installation is essential to the function and longevity of the seal.
The retainer must hold the seal in place, allow it the freedom to inflate
and deflate and protect it from damage. To facilitate the installation of
seals, Western Polyrub can provide metal,
rubber, or plastic retainers in strip or circular form as illustrated.
FASTENTYPE
RUBBERRETAINER
SNAP-INTYPE
WESTERN POLYRUB INDIA PVT LTD
SNAP-IN TYPE
This type uses a popular dove-tail design in which the seal simply “snaps” into a matching groove that
provides support and protection. Installation and replacement is quick and easy.
BOND-IN TYPE
This system takes advantage of an easily machined or fabricated
straight-wall groove that allows the seal to be positioned and bonded
into place.
ENCAPSULATED TYPE
This design “captures” the seal in
a groove by securing bar stock
over the edges of the groove. The
same effect is realized by
trapping
the seal in a specially formed
channel. This type
employs an inflatable tube actu-
ating a solid rubber shoe to the
striking surface.
CODE W1 W2 H1 H2
C
H2
A
B
CODE W1 H1 H2
P-6 1.50 .50 .50
P-7 2.00 .50 .63
P-8 2.25 .75 .75
P-9 2.25 .50 .90
P-13 6.00 1.50 2.50
P-14 .94 .31 .19
P-15 3.00 .75 1.00
P-20 3.25 .50 1.25
P-21 4.00 .50 1.75
P-24 1.25 .38 .25
P-33 1.00 .25 .25
P-51 1.88 .25 1.04
CODE W1 H1 H2
C-13 1.00 .50 .20
C-20 1.00 .53 .21
C-37 1.25 .44 .20
C-40 1.50 .75 .39
C-44 1.38 .50 .32
C-62 6.00 1.75 2.23
C-80 .44 .25 .09
CODE W1 H1 H2
C-7 .50 .83 .06
C-42 .75 1.13 .19
C-58 1.75 1.25 1.13
C-63 .44 .58 .07
C-64 .60 .62 .02
RECESSED GROOVE
TYPE
This type, generally used
with smaller diameter seals
in a radially in or radially
out mode, holds the seal in
place by its own tension or
force.
If larger diameters are
needed, studs can be used.
H2
H1
H2
H1
CODE W1 H1 H2 CODE W1 H1 H2 CODE W1 H1 H2
G-1 .88 .60 .65 G-25 .63 .50 .25 G-13 .88 .60 .20
G-2 .88 .50 .50 G-26 .68 .50 .25 G-24 .88 .50 .20
G-5 .69 .50 .50 G-27 .88 .50 .25
G-8 .63 .50 .35 G-28 .88 .60 .35
G-12 1.75 1.20 1.30 G-29 1.75 1.20 .85
G-14 .88 .31 .25 G-30 .56 .38 .22
G-15 .56 .38 .38
G-21 3.06 2.13 2.25
G-31 .75 .63 .63
G-32 .75 .44 .44
G-38 1.53 .72 .75
SNAP-IN TYPE
This type uses a popular dove-tail design in which the seal simply “snaps” into a
matching groove that provides support and protection. Installation and replacement
is quick and easy.
H2
H1
W1
CODE W1 H1 H2 CODE W1 H1 H2
G-7 .88 .56 .44 G-3 .54 .44 .44
G-34 2.00 1.00 .78 G-4 .69 .46 .54
G-35 2.75 1.38 1.12 G-10 1.75 1.38 1.25
G-36 1.38 1.19 .70 G-22 1.38 1.13 1.00
G-40 .63 .50 .21 G-41 .39 .30 .04
G-42 .30 .30 .03
G-43 .51 .34 .12
BOND-INTYPE
This system takes advantage of an easily machined or
fabricated straight-wall groove that allows the seal to be
positioned and bonded into place.
H2
H1
CODE W1 H1 H2 CODE W1 W2 H1 H2
G-9 2.75 1.50 1.43 P-1 1.00 1.25 .63 .38
G-11 3.63 2.00 1.75 P-2 1.75 2.00 .88 .75
G-16 5.88 1.25 .75 P-3 2.00 3.25 1.00 1.63
G-17 5.38 1.25 .75 P-4 3.25 4.00 1.13 2.00
G-18 3.88 1.25 .75 P-10 4.25 7.25 2.06 3.00
G-39 1.75 .80 .95 P-12 .50 .75 .56 .10
P-22 3.00 4.00 1.63 1.75
P-23 .75 1.00 .50 .31
P-26 5.00 9.00 2.38 4.00
P-30 2.00 3.00 1.25 1.25
P-50 3.25 5.00 1.25 2.63
FASTEN TYPE
This versatile system uses a variety of metal fasteners
such as bars, pins and clips which can be tack welded
or screwed down to the
mounting surface. The seal can then be “snaked” or
“fed” into this mounting system.
H2
H1
CODE W1 H1 H2
S-1 1.38 1.00 .28
S-2 2.00 1.00 .44
S-3 2.75 .88 .81
ENCAPSULATED TYPE
This design “captures” the
seal in a groove by securing
bar stock over the edges of
the groove.
The same effect is realized by
trapping the seal in a
specially formed channel.
This type employs an
inflatable tube actuating a
solid rubber shoe to the
striking surface.
P-5 4.00 1.50 6.50 3.50
P-25 2.00 .75 3.60 1.75
W1 W1
H2
H1
W1
H2
H1
W1
H2
H1
W1
W1
H2
H1
W1
H2
H1
W1
W1
H2
H1
W1
W2
DROP-IN TYPE
First used in the nuclear
industry, this unique
design does not require the
help of any extraneous
“hold down” or “hold in”
devices for retention. The
seal is simply dropped into
a groove or gap and is held
in position by gravity and
its own geometry.
The cross sections shown
below are typical inflatable
seal designs. Details of each
design may vary from the
illustrations shown. Some
particular sizes and shapes
are identified by the code
listings. Many different types
of mountings may be
employed. The red lines in
the illustrations indicate some
of the more common.
INFLATABLE SEAL DETAIL

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Inflatable Seal Configurations(G sections)

  • 1. TYPICALINFLATABLESEALCONFIGURATIONS G-15 G-5 G-1 G-12 G-21 Photoaboveshowscut sectionsof varioussealswith width (W1dimension) rangingfrom .56to 3.06 inches. C-92 P-1 P-2 P-3 P-4 Photoaboveshowscut sectionsof varioussealswith width (W2dimension) rangingfrom .50to 9.00 inches. P-26 RETAINING SYSTEMS Proper installation is essential to the function and longevity of the seal. The retainer must hold the seal in place, allow it the freedom to inflate and deflate and protect it from damage. To facilitate the installation of seals, Western Polyrub can provide metal, rubber, or plastic retainers in strip or circular form as illustrated. FASTENTYPE RUBBERRETAINER SNAP-INTYPE WESTERN POLYRUB INDIA PVT LTD
  • 2. SNAP-IN TYPE This type uses a popular dove-tail design in which the seal simply “snaps” into a matching groove that provides support and protection. Installation and replacement is quick and easy. BOND-IN TYPE This system takes advantage of an easily machined or fabricated straight-wall groove that allows the seal to be positioned and bonded into place. ENCAPSULATED TYPE This design “captures” the seal in a groove by securing bar stock over the edges of the groove. The same effect is realized by trapping the seal in a specially formed channel. This type employs an inflatable tube actu- ating a solid rubber shoe to the striking surface. CODE W1 W2 H1 H2 C H2 A B CODE W1 H1 H2 P-6 1.50 .50 .50 P-7 2.00 .50 .63 P-8 2.25 .75 .75 P-9 2.25 .50 .90 P-13 6.00 1.50 2.50 P-14 .94 .31 .19 P-15 3.00 .75 1.00 P-20 3.25 .50 1.25 P-21 4.00 .50 1.75 P-24 1.25 .38 .25 P-33 1.00 .25 .25 P-51 1.88 .25 1.04 CODE W1 H1 H2 C-13 1.00 .50 .20 C-20 1.00 .53 .21 C-37 1.25 .44 .20 C-40 1.50 .75 .39 C-44 1.38 .50 .32 C-62 6.00 1.75 2.23 C-80 .44 .25 .09 CODE W1 H1 H2 C-7 .50 .83 .06 C-42 .75 1.13 .19 C-58 1.75 1.25 1.13 C-63 .44 .58 .07 C-64 .60 .62 .02 RECESSED GROOVE TYPE This type, generally used with smaller diameter seals in a radially in or radially out mode, holds the seal in place by its own tension or force. If larger diameters are needed, studs can be used. H2 H1 H2 H1 CODE W1 H1 H2 CODE W1 H1 H2 CODE W1 H1 H2 G-1 .88 .60 .65 G-25 .63 .50 .25 G-13 .88 .60 .20 G-2 .88 .50 .50 G-26 .68 .50 .25 G-24 .88 .50 .20 G-5 .69 .50 .50 G-27 .88 .50 .25 G-8 .63 .50 .35 G-28 .88 .60 .35 G-12 1.75 1.20 1.30 G-29 1.75 1.20 .85 G-14 .88 .31 .25 G-30 .56 .38 .22 G-15 .56 .38 .38 G-21 3.06 2.13 2.25 G-31 .75 .63 .63 G-32 .75 .44 .44 G-38 1.53 .72 .75 SNAP-IN TYPE This type uses a popular dove-tail design in which the seal simply “snaps” into a matching groove that provides support and protection. Installation and replacement is quick and easy. H2 H1 W1 CODE W1 H1 H2 CODE W1 H1 H2 G-7 .88 .56 .44 G-3 .54 .44 .44 G-34 2.00 1.00 .78 G-4 .69 .46 .54 G-35 2.75 1.38 1.12 G-10 1.75 1.38 1.25 G-36 1.38 1.19 .70 G-22 1.38 1.13 1.00 G-40 .63 .50 .21 G-41 .39 .30 .04 G-42 .30 .30 .03 G-43 .51 .34 .12 BOND-INTYPE This system takes advantage of an easily machined or fabricated straight-wall groove that allows the seal to be positioned and bonded into place. H2 H1 CODE W1 H1 H2 CODE W1 W2 H1 H2 G-9 2.75 1.50 1.43 P-1 1.00 1.25 .63 .38 G-11 3.63 2.00 1.75 P-2 1.75 2.00 .88 .75 G-16 5.88 1.25 .75 P-3 2.00 3.25 1.00 1.63 G-17 5.38 1.25 .75 P-4 3.25 4.00 1.13 2.00 G-18 3.88 1.25 .75 P-10 4.25 7.25 2.06 3.00 G-39 1.75 .80 .95 P-12 .50 .75 .56 .10 P-22 3.00 4.00 1.63 1.75 P-23 .75 1.00 .50 .31 P-26 5.00 9.00 2.38 4.00 P-30 2.00 3.00 1.25 1.25 P-50 3.25 5.00 1.25 2.63 FASTEN TYPE This versatile system uses a variety of metal fasteners such as bars, pins and clips which can be tack welded or screwed down to the mounting surface. The seal can then be “snaked” or “fed” into this mounting system. H2 H1 CODE W1 H1 H2 S-1 1.38 1.00 .28 S-2 2.00 1.00 .44 S-3 2.75 .88 .81 ENCAPSULATED TYPE This design “captures” the seal in a groove by securing bar stock over the edges of the groove. The same effect is realized by trapping the seal in a specially formed channel. This type employs an inflatable tube actuating a solid rubber shoe to the striking surface. P-5 4.00 1.50 6.50 3.50 P-25 2.00 .75 3.60 1.75 W1 W1 H2 H1 W1 H2 H1 W1 H2 H1 W1 W1 H2 H1 W1 H2 H1 W1 W1 H2 H1 W1 W2 DROP-IN TYPE First used in the nuclear industry, this unique design does not require the help of any extraneous “hold down” or “hold in” devices for retention. The seal is simply dropped into a groove or gap and is held in position by gravity and its own geometry. The cross sections shown below are typical inflatable seal designs. Details of each design may vary from the illustrations shown. Some particular sizes and shapes are identified by the code listings. Many different types of mountings may be employed. The red lines in the illustrations indicate some of the more common. INFLATABLE SEAL DETAIL