Metal Bellows Correctedn 7/11/00 3:45 PM Page 38
SINGLE EXPANSION JOINTS – METAL 26" AND 28" 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: .5” 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 1.30 0.06 5.5 2664 242809 4326 9 1/2 67 7 252 8 1/4 159
26”
8 2.60 0.22 10.0 1332 30351 2163 13 78 10 1/2 257 11 3/4 167
Effective
50 12 3.90 0.50 10.0 888 8993 1442 16 1/2 88 14 265 15 1/4 177
Area
585 in.
2
16 5.20 0.89 10.0 666 3794 1082 20 99 17 1/2 276 18 3/4 188
20 6.50 1.39 * 533 1942 865 23 1/2 110 21 291 22 1/4 200
4 0.83 0.04 3.5 9963 914195 16288 9 1/2 76
26”
8 1.66 0.14 7.0 4981 114274 8144 13 94
Effective
150 12 2.49 0.32 10.0 3321 33859 5429 16 1/2 113
Area
589 in.
2
16 3.32 0.57 10.0 2491 14284 4072 20 132
20 4.15 0.88 10.0 1993 7314 3258 23 1/2 151
4 0.83 0.04 3.5 17418 1605607 28607 9 1/2 115
26”
8 1.67 0.14 7.0 8709 200701 14303 13 154
Effective
300 12 2.50 0.32 10.0 5806 59467 9536 16 1/2 193
Area
591 in.
2
16 3.33 0.57 10.0 4354 25088 7152 20 232
20 4.17 0.89 10.0 3484 12845 5721 23 1/2 271
4 1.35 0.05 5.3 2672 281143 5009 9 1/2 72 7 282 8 1/4 177
28”
8 2.70 0.21 10.0 1336 35143 2505 13 84 10 1/2 287 11 3/4 185
Effective
50 12 4.04 0.48 10.0 891 10413 1670 16 1/2 96 14 295 15 1/4 195
Area
675 in.
2
16 5.39 0.86 10.0 668 4393 1252 20 107 17 1/2 307 18 3/4 207
20 6.74 1.34 * 534 2249 1002 23 1/2 119 21 322 22 1/4 220
4 0.83 0.03 3.2 10748 1135669 20234 9 1/2 81
28”
8 1.66 0.13 6.5 5374 141959 10117 13 101
Effective
150 12 2.49 0.30 9.7 3583 42062 6745 16 1/2 122
Area
678 in.
2
16 3.32 0.53 10.0 2687 17745 5059 20 142
20 4.14 0.82 10.0 2150 9085 4047 23 1/2 162
4 0.83 0.03 3.2 18793 1994117 35529 9 1/2 123
28”
8 1.66 0.13 6.5 9396 249265 17764 13 165
Effective
300 12 2.50 0.30 9.7 6264 73856 11843 16 1/2 208
Area
681 in.
2
16 3.33 0.53 10.0 4698 31158 8882 20 250
20 4.16 0.82 10.0 3759 15953 7106 23 1/2 292
PART NUMBER EXAMPLE NOM I.D. STYLE ENDS PRESSURE NO. CONS ACCESSORIES BELLOWS MATERIAL
English 28 AG WW 50 16 L, C, P4 304L
38
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