Metal Bellows Correctedn 7/11/00 3:46 PM Page 44
SINGLE EXPANSION JOINTS – METAL 38" AND 40" SIZE
MATERIALS OF CONSTRUCTION
1. Rated cycle life is 2000 cycles per EJMA 7th edition for any non-
BELLOWS: ASTM A240 T304. To specify alternate bellows
concurrent movement tabulated.
material, add to part number. Refer to page 19.
2. To combine axial, lateral movements, refer to page 20, step 5.
PIPE: ASTM A53/A106/A516-70/API-5L
3. Maximum axial extension movement is 50% of tabulated axial
50 lb. Series: .375” WALL
value.
150 lb. Series: .375” WALL
4. To obtain greater movements or cycle life refer to page 20, step 5 or
300 lb. Series: .75” WALL
contact the factory.
FLANGES: ASTM A105/A36/A516-70
5. Catalog pressure ratings are based upon a maximum bellows
50 lb. Series: 125 lb. Lt. Wt. F.F.S.O.
temperature of 800°F. Actual operating temperature should always
150 lb. Series: Customer to specify
be specified.
300 lb. Series: Customer to specify
6. If unit is flanged, see page 16 for maximum flange pressure ratings.
COVERS: Carbon Steel
7. Maximum test pressure: 1 1/2 x maximum working pressure.
TIE RODS, GIMBALS, HINGES: Carbon Steel
8. Maximum torque values are on page 68.
LINERS: 300 Series Stainless Steel * For available angular rotation, contact factory.
Nominal No. of Non-Concurrent Axial Lateral Angular WW FF/VV FW/VW
Diameter Pressure Convo- Axial Lateral Angular Spring Rate Spring Rate Spring Rate OAL Weight OAL Weight OAL Weight
(In.) (psig) lutions (In.) (In.) (Deg.) (Lbs/In.) (Lbs/In.) (In.-Lb/Deg) (In.) (Lbs.) (In.) (Lbs.) (In.) (Lbs.)
4 1.62 0.05 4.7 1966 372734 6641 9 1/2 94 7 501 8 1/4 298
38”
8 3.25 0.19 9.5 983 46592 3320 13 108 10 1/2 506 11 3/4 307
Effective
50
Area
12 4.87 0.43 10.0 655 13805 2214 16 1/2 121 14 513 15 1/4 317
1216 in.
2
16 6.49 0.77 10.0 492 5824 1660 20 135 17 1/2 523 18 3/4 329
4 1.03 0.03 3.0 9399 1804308 32147 9 1/2 113
38”
8 2.06 0.12 6.0 4700 225538 16074 13 144
Effective
150
Area
12 3.10 0.27 9.0 3133 66826 10716 16 1/2 175
1231 in.
2
16 4.13 0.49 10.0 2350 28192 8037 20 207
4 1.00 0.03 2.9 17728 3408435 60728 9 1/2 226
38”
8 2.01 0.12 5.8 8864 426054 30364 13 289
Effective
300
Area
12 3.01 0.27 8.7 5909 126238 20243 16 1/2 353
1233 in.
2
16 4.02 0.47 10.0 4432 53257 15182 20 416
4 1.62 0.05 4.5 2072 433626 7726 9 1/2 99 7 561 8 1/4 330
40”
8 3.25 0.18 9.0 1036 54203 3863 13 113 10 1/2 566 11 3/4 339
Effective
50
Area
12 4.87 0.41 10.0 691 16060 2575 16 1/2 127 14 573 15 1/4 350
1342 in.
2
16 6.49 0.73 10.0 518 6775 1931 20 142 17 1/2 583 18 3/4 362
4 1.03 0.03 2.8 9904 2098106 37382 9 1/2 119
40”
8 2.06 0.12 5.7 4952 262263 18691 13 151
Effective
150
Area
12 3.09 0.26 8.5 3301 77708 12461 16 1/2 184
1359 in.
2
16 4.12 0.46 10.0 2476 32783 9345 20 217
4 1.00 0.03 2.8 18680 3963210 70612 9 1/2 237
40”
8 2.01 0.11 5.5 9340 495401 35306 13 304
Effective
Area
300
1361 in.
2
12 3.01 0.25 8.3 6227 146786 23537 16 1/2 371
16 4.01 0.45 10.0 4670 61925 17653 20 438
PART NUMBER EXAMPLE NOM I.D. STYLE ENDS PRESSURE NO. CONS ACCESSORIES BELLOWS MATERIAL
English 38 AS WW 150 16 L, C 825
44
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