Metal Bellows Correctedn 7/11/00 3:51 PM Page 60
UNIVERSAL EXPANSION JOINTS – METAL 14" TO 22" 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 56
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: .375” WALL 14”-20”/.5” WALL 22”
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: 150 lb. ANSI B16.5 R.F.S.O.
6. If unit is flanged, see page 16 for maximum flange pressure
300 lb. Series: 300 lb. ANSI B16.5 R.F.S.O.
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
2.86 1.82 2.86 3.94 5.05 7.28 13.89
50 1 1/4 8 21
907 596 284 165 107 56 16
14”
2.11 1.32 2.08 2.87 3.68 5.3 10.25
Effective
150 2 1/4 8 21
Area 2527 1704 811 471 307 159 47
182 in.
2
1.74 1.1 1.73 2.39 3.06 4.41 8.52
300 3821
3223 2146 1022 593 386 201 59
3.12 1.74 2.74 3.78 4.84 6.98 13.48
50 1 1/4 8 24
871 741 353 205 133 69 20
16”
2.18 1.21 1.9 2.62 3.35 4.83 9.34
Effective
150 2 1/2 8 24
Area 2688 2329 1109 643 419 218 64
234 in.
2
1.8 1 1.58 2.17 2.78 4.02 7.76
300 3 1/4 8 24
3406 2918 1389 806 525 273 81
3.24 1.62 2.55 3.51 4.49 6.48 12.52
50 1 1/4 8 27
903 961 458 265 173 90 27
18”
Effective
2.44 1.2 1.9 2.61 3.35 4.83 9.33
150 2 11/16 8 27
Area
2438 2656 1264 734 478 248 73
295 in.
2
2.36 1.16 1.83 2.52 3.22 4.65 8.99
300 3 1/2 8 27
4548 4970 2366 1373 894 465 137
3.36 1.52 2.39 3.3 4.22 6.09 11.76
50 1 1/4 9 30
926 1206 574 333 217 113 33
20”
Effective
2.52 1.13 1.77 2.45 3.13 4.51 8.72
150 2 7/8 9 30
Area
2535 3372 1606 932 607 315 93
361 in.
2
2.53 1.13 1.78 2.45 3.13 4.52 8.73
300 3 3/4 9 30
4431 5929 2823 1638 1067 554 164
3.48 1.43 2.26 3.11 3.98 5.74 11.1
50 1 3/4 9 33
942 1474 702 407 265 138 41
22”
Effective
2.51 1.02 1.61 2.22 2.84 4.1 7.93
150 3 1/8 9 33
Area
2797 4449 2118 1229 800 416 123
431 in.
2
2.52 1.02 1.61 2.23 2.85 4.11 7.94
300 493
4889 7819 3723 2160 1407 731 216
PART NUMBER
NOM I.D. STYLE ENDS PRESSURE OVERALL LENGTH ACCESSORIES ALT. BELLOWS MAT.
EXAMPLE 20 AUG EE 150 108 L, C 825
60
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