Metal Bellows Correctedn 7/11/00 2:46 PM Page 28
SINGLE EXPANSION JOINTS – METAL 6" AND 8" 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
3. Maximum axial extension movement is 50% of tabulated axial
50 lb. Series: Sch. 40
value.
150 lb. Series: Sch. 40
4. To obtain greater movements or cycle life refer to page 20, step 5 or
300 lb. Series: Sch. 40
contact the factory.
FLANGES: ASTM A105/A36/A516-70
5. Catalog pressure ratings are based upon a maximum bellows
50 lb. Series: 150 lb. ANSI B16.5 R.F.S.O.
temperature of 800°F. Actual operating temperature should always
150 lb. Series: 150 lb. ANSI B16.5 R.F.S.O.
be specified.
300 lb. Series: 300 lb. ANSI B16.5 R.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 * 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 0.62 0.07 9.7 1902 24823 226 8 1/2 11 6 7/8 39 7 5/8 25
6”
8 1.25 0.28 10.0 951 3103 113 11 12 9 3/8 41 10 1/8 27
Effective
50 12 1.87 0.63 10.0 634 919 75 13 1/2 14 11 7/8 45 12 5/8 30
Area
43 in.
2
16 2.50 1.13 * 475 388 56 16 15 14 3/8 51 15 1/8 33
20 3.12 1.76 * 380 199 45 18 1/2 16 16 7/8 59 17 5/8 38
4 0.48 0.05 7.5 3286 42895 390 8 1/2 11 6 7/8 39 7 5/8 25
6”
8 0.97 0.22 10.0 1643 5362 195 11 13 9 3/8 42 10 1/8 27
Effective
150 12 1.45 0.49 10.0 1095 1589 130 13 1/2 14 11 7/8 47 12 5/8 31
Area
43 in.
2
16 1.98 0.90 * 1240 994 145 16 20 14 3/8 63 15 1/8 41
20 2.47 1.41 * 992 509 116 18 1/2 22 16 7/8 77 17 5/8 49
4 0.32 0.04 5.0 6694 83720 761 8 1/2 11 6 5/8 79 7 1/2 45
6”
8 0.64 0.15 10.0 3347 10465 381 11 12 9 1/8 81 10 47
Effective
300 12 0.95 0.33 10.0 2231 3101 254 13 1/2 14 11 5/8 85 12 1/2 50
Area
42 in.
2
16 1.20 0.55 10.0 2539 2036 296 16 18 14 1/8 98 15 58
20 1.50 0.85 10.0 2031 1043 237 18 1/2 20 16 5/8 109 17 1/2 64
4 0.69 0.06 8.4 1964 41983 382 8 1/2 16 7 1/4 61 7 7/8 39
8”
8 1.38 0.24 10.0 982 5248 191 11 18 9 3/4 64 10 3/8 41
Effective
50 12 2.07 0.55 10.0 655 1555 127 13 1/2 20 12 1/4 68 12 7/8 44
Area
70 in.
2
16 2.77 0.98 * 491 656 95 16 22 14 3/4 74 15 3/8 48
20 3.46 1.53 * 393 336 76 18 1/2 24 17 1/4 82 17 7/8 53
4 0.47 0.04 5.8 4329 91322 830 8 1/2 16 7 1/4 61 7 7/8 39
8”
8 0.95 0.17 10.0 2165 11415 415 11 19 9 3/4 64 10 3/8 41
Effective
150 12 1.42 0.38 10.0 1443 3382 277 13 1/2 21 12 1/4 69 12 7/8 45
Area
69 in.
2
16 1.90 0.67 10.0 1082 1427 208 16 23 14 3/4 76 15 3/8 49
20 2.39 1.07 * 1305 1087 247 18 1/2 31 17 1/4 99 17 7/8 65
4 0.34 0.03 4.1 10262 216468 1968 8 1/2 17 7 3/8 117 7 7/8 67
8”
8 0.68 0.12 8.3 5131 27058 984 11 20 9 7/8 121 10 3/8 71
Effective
300 12 1.01 0.27 10.0 3421 8017 656 13 1/2 23 12 3/8 128 12 7/8 75
Area
69 in.
2
16 1.35 0.48 10.0 2566 3382 492 16 26 14 7/8 137 15 3/8 81
20 1.69 0.75 10.0 2052 1732 394 18 1/2 29 17 3/8 149 17 7/8 89
PART NUMBER EXAMPLE NOM I.D. STYLE ENDS PRESSURE NO. CONS ACCESSORIES BELLOWS MATERIAL
English 8 AG WW 50 20 L, C 304
28
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