| Part Number | CAD | DR (mm) | Di (mm) | D0 (mm) | t (mm) | L0 (mm) | TF (N/M) | PF (N) | Qty |
|---|---|---|---|---|---|---|---|---|---|
| B15125S |  |
8.0 | 8.40 | 15.00 | 1.25 | 1.70 | 9.5 | 6000 | |
| B15200S | |
8.0 | 8.40 | 15.00 | 2.00 | 2.30 | 30.0 | 17000 | |
| B0714080S | |
9.5 | 9.91 | 18.14 | 2.03 | 2.18 | 11.0 | 5338 | |
| B18200S | |
10.0 | 10.40 | 18.00 | 2.00 | 2.30 | 24.0 | 11000 | |
| B0820080S | |
11.0 | 11.48 | 20.83 | 2.03 | 2.46 | 31.0 | 12455 | |
| B22230S | |
12.0 | 12.40 | 22.00 | 2.30 | 2.60 | 34.0 | 13000 | |
| B0900089S | |
12.0 | 13.08 | 22.86 | 2.26 | 2.54 | 26.0 | 9340 | |
| B25250S | |
14.0 | 14.40 | 25.00 | 2.50 | 2.95 | 56.0 | 18000 | |
| B1145125S | |
16.0 | 16.66 | 29.08 | 3.18 | 3.63 | 95.0 | 26688 | |
| B1365131S | |
19.0 | 19.84 | 34.67 | 3.33 | 3.81 | 95.0 | 22685 | |
| B36400S | |
20.0 | 20.80 | 36.00 | 4.00 | 4.60 | 190.0 | 43000 | |
| B1585160S | |
22.0 | 23.01 | 40.26 | 4.06 | 4.57 | 153.0 | 11580 | |
| B43400S | |
24.0 | 24.80 | 43.00 | 4.00 | 4.80 | 200.0 | 39000 | |
| B1805168S | |
26.0 | 26.21 | 45.85 | 4.27 | 4.95 | 211.0 | 18250 | |
| B49430S | |
27.0 | 27.80 | 49.00 | 4.30 | 5.00 | 240.0 | 40000 | |
| B2020187S | |
29.0 | 29.36 | 51.31 | 4.75 | 5.51 | 294.0 | 47150 | |
| B54480S | |
30.0 | 30.80 | 54.00 | 4.80 | 5.60 | 275.0 | 42000 | |
| B2240190S | |
32.0 | 32.54 | 56.90 | 4.83 | 5.72 | 324.0 | 46700 | |
| B2450250S | |
35.0 | 35.71 | 62.23 | 6.35 | 7.37 | 780.0 | 102300 | |
| B68640S | |
36.0 | 36.80 | 68.00 | 6.40 | 7.50 | 725.0 | 92000 |
SPEC flange discs are designed to compensate for thermal expansion and mechanical shock associated with bolted joints. Typical applications include valves, pipe connections, pump connections and compression joints. These washers have had their set removed during manufacture.
Stainless steel
Commercial – Type 17-7 PH
Maximum application temperature for 17-7 is 570°F (300°C).
Certificate of chemical analysis available at extra cost.
Additional load or deflection can be obtained by the stacking of discs in series or parallel. See the standard line of disc spring washers for information on stacking of disc washers.
Load tolerances are plus or minus 20.0% of the values shown.
Dr = Free fi t Bolt or Rod diameter
Di = Inside diameter (min)
Do = Outside diameter (max)
t = Thickness
Lo = Approximate Free Height
Tf = Calculated torque to fl at position (N/M)
Pf = Calculated load at flat position (N)
Associated Spring SPEC Ltd.
T: 01386 443 366 E: sales@assocspring.co.uk
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