Metal Bellows Correctedn 7/11/00 3:51 PM Page 58
UNIVERSAL EXPANSION JOINTS – METAL 5" TO 12" 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
3. Maximum axial extension movement is 50% of tabulated axial
50 lb. Series: STD. WALL
value.
150 lb. Series: STD. WALL
4. To obtain greater movements or cycle life, contact the factory.
300 lb. Series: STD. 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: 150 lb. ANSI B16.5 R.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.) 12” LL 18” LL 24” LL 36” LL 48” LL 84” LL F W E
1.62 1.65 2.71 3.77 5.88 8 14.35
50 1 7/16 4 7 1/2
406 87 33 17 7 3.8 1.2
5”
0.94 1.15 2.04 2.94 4.76 6.59 12.1
Effective
150 1 7/16 4 7 1/2
Area 1268 264 100 52 21 12 3.6
30.4 in.
2
0.81 1 1.77 2.55 4.13 5.73 10.51
300 2 4 7 1/2
1510 311 117 61 25 14 4.2
1.87 1.45 2.51 3.57 5.69 7.8 14.15
50 1 9/16 6 9
634 237 83 42 17 8.8 2.7
6”
1.45 1.2 2.28 3.41 5.69 7.8 14.15
Effective
150 1 9/16 6 9
Area 1095 409 143 72 29 15 5
42.7 in.
2
0.95 0.8 1.53 2.28 3.84 5.4 10.14
300 2 1/16 6 9
2231 799 280 140 56 30 9
2.07 1.33 2.51 3.57 5.69 7.8 14.15
50 1 3/4 6 12
655 401 140 70 28 15 5
8”
Effective
1.42 0.92 1.75 2.62 4.4 6.2 11.64
150 1 3/4 6 12
Area
1443 872 305 153 61 32 10
70 in.
2
1.01 0.66 1.25 1.87 3.14 4.43 8.3
300 2 7/16 6 12
3421 2066 724 362 144 77 23
2.95 1.14 2.25 3.31 5.42 7.54 13.89
50 1 15/16 6 15
689 873 278 133 50 26 8
10”
Effective
1.86 0.72 1.51 2.38 4.2 6.07 11.72
150 1 15/16 6 15
Area
1976 2478 790 376 142 74 22
109 in.
2
1.48 0.57 1.2 1.89 3.34 4.82 9.31
300 2 5/8 6 15
3503 4417 1408 670 253 132 39
2.95 0.96 2.01 3.17 5.42 7.54 13.89
50 2 3/16 8 18
1087 1945 620 295 112 58 17
12”
Effective
2.03 0.67 1.39 2.19 3.87 5.58 10.78
150 2 3/16 8 18
Area
2481 4402 1403 668 252 131 39
154 in.
2
1.68 0.55 1.16 1.83 3.22 4.65 8.98
300 2 7/8 8 18
3186 5576 1778 846 320 166 49
PART NUMBER
NOM I.D. STYLE ENDS PRESSURE OVERALL LENGTH ACCESSORIES ALT. BELLOWS MAT.
EXAMPLE 12 AU WW 50 52 L, C 600
58
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