Metal Bellows Correctedn 7/11/00 3:52 PM Page 64
UNIVERSAL EXPANSION JOINTS – METAL 34" TO 42" 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
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: .75” 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
6. If unit is flanged, see page 16 for maximum flange pressure
300 lb. Series: Customer to specify
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
4.88 1.32 2.07 2.86 3.66 5.28 10.21
50 1 3/4 11 51
585 2129 1013 588 383 199 59
34”
3.11 0.83 1.31 1.81 2.32 3.35 6.47
Effective
150 *1151
Area 2797 10315 4911 2849 1856 965 285
997 in.
2
3.03 0.81 1.28 1.76 2.25 3.25 6.28
300 *1151
5275 19488 9278 5383 3506 1822 539
4.87 1.25 1.96 2.71 3.46 5 9.65
50 1 3/4 11 54
620 2519 1199 696 453 236 70
36”
3.1 0.79 1.24 1.71 2.19 3.16 6.1
Effective
150 *1154
Area 2965 12199 5808 3370 2194 1141 337
1112 in.
2
3.02 0.77 1.21 1.66 2.13 3.07 5.93
300 *1154
5592 23046 10972 6366 4146 2155 637
4.87 1.18 1.86 2.57 3.28 4.74 9.15
50 1 3/4 12 57
655 2954 1406 816 531 276 82
38”
Effective
3.1 0.75 1.18 1.62 2.07 2.99 5.78
150 *1257
Area
3133 14299 6808 3950 2572 1337 395
1233 in.
2
3.01 0.73 1.14 1.58 2.02 2.91 5.62
300 *1257
5909 27012 12860 7462 4859 2526 747
4.87 1.12 1.77 2.44 3.12 4.51 8.71
50 1 3/4 12 60
691 3436 1636 949 618 321 95
49”
Effective
3.09 0.71 1.12 1.54 1.97 2.84 5.5
150 *1260
Area
3301 16627 7916 4593 2991 1555 460
1361 in.
2
3.01 0.69 1.09 1.5 1.92 2.77 5.35
300 *1260
6227 31408 14953 8676 5650 2937 869
4.86 1.07 1.68 2.32 2.97 4.29 8.28
50 1 3/4 12 63
726 3969 1890 1096 714 371 110
42”
Effective
3.09 0.68 1.07 1.47 1.88 2.71 5.24
150 *1263
Area
3470 19196 9139 5303 3453 1795 531
1495 in.
2
3.01 0.66 1.04 1.43 1.83 2.64 5.1
300 *1263
6544 36258 17262 10016 6522 3390 1003
PART NUMBER
NOM I.D. STYLE ENDS PRESSURE OVERALL LENGTH ACCESSORIES ALT. BELLOWS MAT.
EXAMPLE 42 AUH WW 150 60 C 800
64
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