Metal Bellows Correctedn 7/11/00 3:46 PM Page 46
SINGLE EXPANSION JOINTS – METAL 42" TO 48" 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 0.04 4.3 2177 500811 8923 9 1/2 104 7 661 8 1/4 383
42”
8 3.24 0.17 8.6 1089 62601 4461 13 119 10 1/2 666 11 3/4 392
Effective
50
Area
12 4.86 0.39 10.0 726 18549 2974 16 1/2 133 14 673 15 1/4 403
1476 in.
2
16 6.47 0.70 10.0 544 7825 2231 20 148 17 1/2 683 18 3/4 416
4 1.03 0.03 2.7 10409 2422175 43156 9 1/2 124
42”
8 2.06 0.11 5.4 5204 302772 21578 13 159
Effective
150
Area
12 3.09 0.25 8.1 3470 89710 14385 16 1/2 193
1493 in.
2
16 4.12 0.44 10.0 2602 37846 10789 20 228
4 1.00 0.03 2.6 19633 4575124 81514 9 1/2 248
42”
8 2.01 0.11 5.3 9816 571890 40757 13 319
Effective
300
Area
12 3.01 0.24 7.9 6544 169449 27171 16 1/2 389
1495 in.
2
16 4.01 0.43 10.0 4908 71486 20379 20 459
4 1.61 0.04 4.1 2282 574600 10238 9 1/2 108 8 701 8 3/4 405
44”
8 3.23 0.17 8.2 1141 71825 5119 13 124 11 1/2 706 12 1/4 415
Effective
50
Area
12 4.84 0.37 10.0 761 21281 3413 16 1/2 140 15 713 15 3/4 426
1615 in.
2
16 6.46 0.66 10.0 571 8978 2559 20 155 18 1/2 723 19 1/4 439
4 1.61 0.04 3.9 2388 655302 11675 9 1/2 113 8 731 8 3/4 422
46”
8 3.22 0.16 7.8 1194 81913 5838 13 129 11 1/2 736 12 1/4 433
Effective
50
Area
12 4.84 0.36 10.0 796 24270 3892 16 1/2 146 15 743 15 3/4 444
1760 in.
2
16 6.45 0.64 10.0 597 10239 2919 20 162 18 1/2 753 19 1/4 457
4 1.61 0.04 3.7 2493 743225 13242 9 1/2 118 8 1/2 851 9 485
48”
8 3.22 0.15 7.5 1246 92903 6621 13 135 12 856 12 1/2 495
Effective
Area
50
1912 in.
2
12 4.83 0.34 10.0 831 27527 4414 16 1/2 152 15 1/2 863 16 507
16 6.44 0.61 10.0 623 11613 3310 20 169 19 873 19 1/2 521
PART NUMBER EXAMPLE NOM I.D. STYLE ENDS PRESSURE NO. CONS ACCESSORIES BELLOWS MATERIAL
English 48 AT WW 50 8 L, C 316
46
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