SEO Version
STYLE
molded PTFE expansion joints
445-E
Molded
PTFE T-62
Bellows
Reinforcing
Ring
Nominal
Flange
Diameter
Threaded Hole Size
(ANSI) Standard
Bolt Circle
Flange "A"
Nominal
Size I.D.
N
ominal Pipe Size
Joint I.D.
Flange
(ANSI) Standard
Neutral Length
T-Band
Limit Cable
PTFE
Flare O.D.
"B"
NOTES: 1. Movements are non-concurrent and based from Neutral Length with Limit Cables installed.
2. Spring Rate Capability is based on 1" of movement at zero pressure conditions.
3. Style 445-E is not designed for Vacuum Service.
1.00
1.50
2.00
3.00
4.00
6.00
MOVEMENT CAPABILITIES
BASED ON FIVE
CONVOLUTION DESIGN
1
EXPANSION JOINT FLANGE DRILLING
PRESSURE AT TEMPERATURE
(PSIG) @
°
F
IN
IN DEG.
400
°
NOMINAL
SIZE I.D.
NEUTRAL LENGTH
INCHES
WEIGHT / LBS
±
AXIAL (
∆
x)
MOVEMENT
LATERAL (
∆
y)
DEFLECTION
ANGULAR
DEFLECTION
VACUUM RATING
3
THREADED
HOLE SIZE
BOLT CIRCLE
FLANGE “A”
FLANGE
THICKNESS
NOMINAL FLANGE
O.D.
# HOLES
LB
f
/IN
EXTENSION
SPRING RATE
LB
f
/IN LB
f
/IN
COMPRESSION
SPRING RATE
LATERAL
SPRING RATE
SPRING RATE CAPABILITY
2
Table 6: Sizes • Movements • Spring Rates • Flange Standards • Temperatures • Vacuum • Weights
THRUST FACTOR
Hg at
Temp.
350
°
300
°
250
°
200
°
150
°
100
°
70
°
PTFE FLARE
O.D. “B”
SERIES 445-E
MATERIALS OF CONSTRUCTION
NOT
DESIGNED
FOR
VACUUM
SERVICE
3.500 0.844 .625 39
50 110 50
2.81 4 1/2- 13
3.125
2.000
.438
4.250 72 61 46 40 34 29 27 24
3
3.625 0.875 .656 32
75 80
50
5.09 4 1/2- 13
3.875
2.875
.469
5.000 72 61 46 40 34 29 27 24
7
3.750 0.875 .656 29
60 50
50
9.11 4 5/8- 11
4.750
3.625
.484
6.000 72 61 46 40 34 29 27 24
10
4.375 1.031 .781 25
55 60 170 16.91 4 5/8- 11
6.000
5.000
.578
7.500 72 61 46 40 34 29 27 24
16
4.563 1.094 .813 21
70 60
80
25.40 8 5/8- 11
7.500
6.188
.578
9.000 72 61 46 40 34 29 27 24
23
5.031 1.188 .906 17 190 130 195 50.24 8 3/4- 10
9.500
8.500
.641
11.000 72 61 46 40 34 29 27 24
34
DESCRIPTION
1" THROUGH 6"
BELLOWS
PTFE T-62
FLANGES
DUCTILE IRON
REINFORCING RINGS
STAINLESS STEEL
T-BANDS
CARBON STEEL
LIMIT CABLES
MIL-W-8342
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