SEO Version
™
4408
STYLE
eight convolution heavy-duty molded PTFE bellows
Neutral Length
Molded
Bellows
Elastic
Stop Nut
Washers
Nomina
l Pipe Size
Joint
I.D.
Factory Set
Limit Bolt
Nominal
Flange
Diameter
Threaded Hole Size
(ANSI Standard)
Limit Bolt
Outside "Ear"
Diameter
Flange Bolt
Circle "A"
Nominal
Size I.D.
Limit Rod Bolt
Circle "B"
Washers
Metal
Reinforcing Ring
Insulating
Sleeves
Ductile Iron
Flanges
MATERIALS OF CONSTRUCTION
DESCRIPTION
STYLE 4408
BELLOWS
WHITE PTFE
FLANGES
DUCTILE IRON
REINFORCING RINGS
304 SS
LIMIT BOLTS
CARBON STEEL
NUTS
CARBON STEEL
INSULATING SLEEVES
POLYETHYLENE
WASHERS
CARBON STEEL / NYLON
TABLE 7
1.00
1.25
1.50
2.00
2.50
3.00
4.00
5.00
6.00
8.00
10.00
12.00
14.00
16.00
18.00
20.00
22.00
24.00
MOVEMENT CAPABILITIES
BASED ON EIGHT
CONVOLUTION DESIGN
EXPANSION JOINT FLANGE DRILLING
PRESSURE AT TEMPERATURE
(PSIG) @
°
F
IN IN DEG.
70
°
100
°
150
°
200
°
250
°
300
°
350
°
400
°
NOMINAL
SIZE I.D.
NEUTRAL LENGTH
INCHES
WEIGHT / LBS
±
AXIAL (
∆
x)
MOVEMENT
LATERAL (
∆
y)
DEFLECTION
ANGULAR
DEFLECTION
VACUUM
Hg at
Temp.
THREADED
HOLE SIZE
BOLT CIRCLE
FLANGE “A”
FLANGE
THICKNESS
NOMINAL FLANGE
DIAMETER
BOLT CIRCLE
LIMIT BOLT “B”
LIMIT BOLT
“EAR” O.D.
LIMIT BOLT
DIAMETER
# HOLES
LB/IN
FORCE LBS PER
1" RATED
COMPRESSION
LB/IN LB/IN
FORCE LBS PER
1" RATED
EXTENSION
FORCE LBS PER
1" RATED
LATERAL
DEFLECTION
SPRING RATE CAPABILITY
BASED ON 1" OF MOVEMENT
AT ZERO PRESSURE CONDITIONS
Larger diameters, custom lengths, and perfomance requirements available upon request.
Pressure Rating Note:
316 Stainless Steel Anti-Squirm Flanges are available for higher pressure applications.
(See Back Cover.)
NOT
DESIGNED
FOR
VACUUM
SERVICE
ENGINEERED
PER
SPECIFICATIONS
All units are hydrostatically tested at
1.5 times rated pressure after manufacturing.
4.528 1.339 .787 51
4 1/2- 13 3.125 .551 4.250 .250 5.300 6.102 232 183 150 104 90 75 62 50
4
5.709 1.496 1.024 47
4 1/2- 13 3.500 .551 4.625 .250 6.700 7.480 232 183 150 104 90 75 62 50
6
5.709 1.496 1.024 47
4 1/2- 13 3.875 .630 5.000 .250 6.700 7.480 232 183 150 104 90 75 62 50
8
5.906 1.654 1.063 46
4 5/8- 11 4.750 .630 6.000 .250 7.300 8.071 232 183 150 104 90 75 62 50
10
6.890 1.772 1.102 41
4 5/8- 11 5.500 .630 7.000 .250 8.100 8.858 232 183 150 104 90 75 62 50
11
8.071 1.929 1.181 37
4 5/8- 11 6.000 .630 7.500 .250 8.700 9.449 232 183 150 104 90 75 62 50
13
8.661 2.087 1.220 34
8 5/8- 11 7.500 .630 9.000 .250 9.400 10.236 232 183 150 104 90 75 62 50
16
8.858 2.165 1.260 31
8 3/4- 10 8.500 .630 10.000 .375 11.000 11.417 232 183 150 104 90 75 62 50
20
9.055 2.244 1.339 27
8 3/4- 10 9.500 .709 11.000 .375 12.400 13.583 232 183 150 104 90 75 62 50
27
10.236 2.244 1.378 23
8 3/4- 10 11.750 .709 13.500 .375 14.600 15.748 232 183 150 104 90 75 62 50
39
10.630 2.283 1.457 21
12 7/8- 9 14.250 .709 16.000 .375 16.700 17.913 232 183 150 104 90 75 62 50
58
10.630 2.362 1.496 20
12 7/8- 9 17.000 .709 19.000 .375 19.700 21.260 232 183 150 104 90 75 62 50
72
10.630 2.559 1.575 18
12 1- 8 18.750 .787 21.000 .375 22.200 22.244 232 183 150 104 90 75 62 50
88
11.024 2.717 1.575 18
16 1- 8 21.250 .787 23.500 .375 24.300 25.000 232 183 150 104 90 75 62 50
123
11.024 2.913 1.654 16
16 1 1/8- 7 22.750 .866 25.000 .375 25.800 27.362 232 183 150 104 90 75 62 50
148
11.220 2.913 1.654 16
20 1 1/8- 7 25.000 .866 27.500 .375 28.500 29.134 232 183 150 104 90 75 62 50
172
11.220 2.953 1.693 15
20 1 1/4- 7 27.250 .945 29.500 .375 30.500 31.890 232 183 150 104 90 75 62 50
207
11.614 2.953 1.693 13
20 1 1/4- 7 29.500 .945 32.000 .375 32.900 34.646 232 183 150 104 90 75 62 50
252
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