Metal Bellows Correctedn 7/11/00 3:52 PM Page 62
UNIVERSAL EXPANSION JOINTS – METAL 24" TO 32" SIZE
MATERIALS OF CONSTRUCTION
1. Rated cycle life is 2000 cycles per EJMA 7th edition for any one
BELLOWS: ASTM A240 T304. To specify alternate bellows
movement tabulated.
material, add to part number. Refer to page 19.
2. To combine axial, lateral movements, refer to page 54.
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, contact the factory.
300 lb. Series: .5” WALL
5. Catalog pressure ratings are based upon a maximum bellows
FLANGES: ASTM A105/A36/A516-70
temperature of 800°F. Actual operating temperature should
50 lb. Series: 125 lb. Lt. Wt. F.F.S.O.
always be specified.
150 lb. Series: Customer to specify 8F > 24”
6. If unit is flanged, see page 16 for maximum flange pressure
300 lb. Series: Customer to specify 8F > 24”
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
Axial Lateral Movement (In.)
Nominal
(In.)
Length of end Fitting (In.)
Lateral Spring Rate (Lbs./In.) Add to “LL” to obtain assembly OAL
Size Press. Axial
(In.) (psig) (Lbs./In.) 18” LL 24” LL 30” LL 36” LL 48” LL 84” LL F W E
3.77 1.42 2.24 3.09 3.96 5.71 11.03
50 1 3/4 9 36
882 1636 779 452 294 153 45
24”
2.5 0.94 1.48 2.04 2.61 3.77 7.28
Effective
150 3 1/4 9 36
Area 3059 5734 2730 1584 1032 536 159
508 in.
2
2.51 0.94 1.48 2.04 2.61 3.77 7.29
300 4 3/16 9 36
5348 10074 4796 2783 1812 942 279
3.9 1.36 2.15 2.96 3.79 5.47 10.58
50 1 3/4 10 39
888 1924 916 532 346 180 53
26”
2.49 0.87 1.37 1.89 2.41 3.48 6.73
Effective
150 *1039
Area 3321 7245 3449 2001 1303 677 200
591 in.
2
2.5 0.87 1.37 1.89 2.42 3.49 6.74
300 *1039
5806 12724 6058 3515 2289 1190 352
4.04 1.32 2.07 2.86 3.66 5.28 10.2
50 1 3/4 10 42
891 2228 1061 615 401 208 62
28”
Effective
2.49 0.81 1.27 1.75 2.24 3.24 6.26
150 *1042
Area
3583 9000 4285 2486 1619 842 249
681 in.
2
2.5 0.81 1.27 1.76 2.25 3.24 6.27
300 *1042
6264 15803 7524 4365 2843 1478 437
4.72 1.44 2.27 3.13 4 5.77 11.15
50 1 3/4 10 45
553 1579 752 436 284 148 44
30”
Effective
3.03 0.91 1.44 1.99 2.54 3.67 7.09
150 *1045
Area
2612 7576 3607 2093 1363 708 210
782 in.
2
2.85 0.86 1.36 1.87 2.39 3.45 6.67
300 *1045
5225 15152 7214 4185 2726 1417 419
4.72 1.35 2.13 2.94 3.76 5.42 10.47
50 1 3/4 11 48
591 1909 909 527 343 178 53
32”
Effective
3.12 0.89 1.4 1.92 2.46 3.55 6.87
150 *1148
Area
2629 8636 4111 2386 1554 808 239
886 in.
2
2.94 0.83 1.31 1.81 2.32 3.34 6.46
300 *1148
5257 17272 8223 4771 3107 1615 478
PART NUMBER
NOM I.D. STYLE ENDS PRESSURE OVERALL LENGTH ACCESSORIES ALT. BELLOWS MAT.
EXAMPLE 32 AUT FF 50 39.5 L, C 316
62
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