Metal Bellows Correctedn 7/11/00 6:39 PM Page 66
UNIVERSAL EXPANSION JOINTS – METAL 44" TO 144" 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 A516-70/API-5L
3. Maximum axial extension movement is 50% of tabulated axial
25 lb. Series: .375” WALL
value.
50 lb. Series: .375” WALL
4. To obtain greater movements or cycle life, contact the factory.
5. Catalog pressure ratings are based upon a maximum bellows
FLANGES: ASTM A105/A36/A516-70
temperature of 800°F. Actual operating temperature should
25 lb. Series: 125 lb. Lt. Wt. F.F.S.O.
always be specified.
50 lb. Series: 125 lb. Lt. Wt. F.F.S.O.
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
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.) 30” LL 36” LL 48” LL 60” LL 84” LL 120” LL F W E
44”
4.84 2.21 2.83 4.09 5.35 7.9 11.73
Effective Area
50 2 1/4 8 66
1615 in.
2
761 1258 819 426 260 126 59
46”
4.84 2.12 2.71 3.91 5.12 7.55 11.22
Effective Area
50 2 1/4 8 69
1760 in.
2 796 1435 934 486 297 144 68
48”
4.83 2.03 2.6 3.75 4.91 7.24 10.75
50 2 1/2 8 72
Effective Area
1912 in.
2 831 1627 1060 551 336 163 77
50”
8.79 2.21 3.07 4.89 6.8 10.71 16.68
Effective Area
50 2 1/2 8 1/2 75
2134 in.
2 890 3071 1847 868 500 227 102
52”
8.77 2.13 2.95 4.7 6.53 10.29 16.03
Effective Area
50 2 1/2 8 1/2 78
2301 in.
2 927 3447 2073 974 561 254 114
54”
8.75 2.05 2.84 4.52 6.29 9.9 15.42
Effective Area
50 2 1/2 8 1/2 81
2474 in.
2 963 3852 2316 1089 627 284 128
60”
9.16 1.94 2.68 4.28 5.95 9.37 14.59
Effective Area
25 2 3/4 10 90
3031 in.
2 1072 5253 3159 1485 855 388 174
66”
9.11 1.76 2.43 3.88 5.39 8.49 13.23
Effective Area
25 2 3/4 10 99
3645 in.
2 1181 6960 4185 1968 1133 514 231
72”
9.07 1.61 2.23 3.55 4.94 7.77 12.11
Effective Area
25 2 3/4 10 108
4315 in.
2 1290 9001 5413 2545 1465 664 299
84”
9.01 1.37 1.9 3.04 4.22 6.65 10.35
Effective Area
25 3 12 126
5826 in.
2 1508 14205 8542 4016 2312 1048 471
96”
8.94 1.2 1.66 2.64 3.67 5.79 9.01
Effective Area
25 3 1/4 12 144
7562 in.
2 1726 21106 12692 5967 3436 1558 700
108”
8.93 1.06 1.48 2.35 3.27 5.15 8.02
Effective Area
25 * 12 162
9525 in.
2 1944 29942 18007 8465 4874 2210 993
120”
8.92 0.96 1.33 2.12 2.94 4.64 7.22
Effective Area
25 * 13 1/2 180
11714 in.
2 2162 40954 24629 11578 6667 3023 1359
132”
8.91 0.87 1.21 1.93 2.68 4.22 6.57
Effective Area
25 * 13 1/2 198
14129 in.
2 2381 54381 32703 15374 8853 4014 1804
144”
8.88 0.8 1.11 1.76 2.45 3.86 6.01
Effective Area
25 * 13 1/2 216
16770 in.
2 2599 70462 42374 19920 11470 5201 2338
PART NUMBER
NOM I.D. STYLE ENDS PRESSURE OVERALL LENGTH ACCESSORIES ALT. BELLOWS MAT.
EXAMPLE 96 AU FF 25 42.5 L, C 304L
66
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