LOW Temperature, Rotating Head Metal Bellows Shaft Seal
Temperature: -75℃～ 200℃
Pressure: ≤2.1MPa
Speed: ≤25m/s
Equivalent John Crane Type 680
Rotary Ring: SiC/Carbon/TC
● Stationary Ring: SiC/TC
● Secondary Seal: VITON/PTFE Coated VITON/PTFE
● Metal Bellows: SUS316L/AM350/Hastelloy-C/
● Other Parts: SUS304/SUS316/Hastelloy-C
| Seal Dash Number | A .00-.05mm | B REF | C .76mm | D REF | E REF | F REF |
| -18 | 18mm | 32.0 | 27.5 | 3.3 | 28.7 | 23.5 |
| -20 | 20mm | 33.3 | 27.5 | 3.3 | 30.1 | 25.0 |
| -22 | 22mm | 36.0 | 27.5 | 3.3 | 32.7 | 27.5 |
| -24 | 24mm | 38.1 | 30.0 | 4.3 | 34.9 | 29.8 |
| -25 | 25mm | 39.0 | 30.0 | 4.3 | 35.7 | 30.5 |
| -28 | 28mm | 42.0 | 32.5 | 5.6 | 38.7 | 33.5 |
| -30 | 30mm | 44.0 | 32.5 | 5.1 | 40.7 | 35.5 |
| -32 | 32mm | 46.0 | 32.5 | 5.1 | 43.7 | 38.5 |
| -33 | 33mm | 47.0 | 32.5 | 4.3 | 43.7 | 38.5 |
| -35 | 35mm | 49.2 | 32.5 | 4.3 | 46.9 | 41.7 |
| -38 | 38mm | 52.4 | 34.0 | 5.1 | 50.0 | 43.6 |
| -40 | 40mm | 55.6 | 34.0 | 5.1 | 53.2 | 46.8 |
| -43 | 43mm | 58.7 | 34.0 | 5.1 | 56.4 | 49.9 |
| -45 | 45mm | 58.7 | 34.0 | 5.1 | 56.4 | 49.9 |
| -48 | 48mm | 61.9 | 34.0 | 5.1 | 59.6 | 53.1 |
| -50 | 50mm | 65.1 | 34.5 | 5.1 | 62.8 | 56.3 |
| -53 | 53mm | 68.3 | 34.5 | 5.1 | 65.9 | 59.4 |
| -55 | 55mm | 71.0 | 34.5 | 4.3 | 68.5 | 62.0 |
| -60 | 60mm | 74.6 | 39.5 | 6.6 | 72.3 | 65.8 |
| -65 | 65mm | 84.1 | 39.5 | 6.1 | 81.8 | 74.0 |
| -70 | 70mm | 87.3 | 45.0 | 8.1 | 85.0 | 77.2 |
| -75 | 75mm | 95.3 | 45.0 | 7.9 | 92.1 | 84.4 |
| -80 | 80mm | 98.4 | 44.5 | 6.6 | 95.8 | 87.3 |
| -85 | 85mm | 104.8 | 44.5 | 6.6 | 102.2 | 93.7 |
| -90 | 90mm | 108.0 | 49.5 | 8.9 | 105.3 | 96.8 |
| -95 | 95mm | 114.3 | 49.5 | 8.9 | 111.7 | 103.2 |
| -100 | 100mm | 120.7 | 49.5 | 8.9 | 118.0 | 109.5 |
| -105* | 105mm | 131.7 | 48.3 | 7.1 | 124.8 | 114.9 |
| -110* | 110mm | 138.1 | 48.3 | 7.1 | 131.2 | 121.3 |
| -115* | 115mm | 144.5 | 48.3 | 7.1 | 137.6 | 129.1 |
| -120* | 120mm | 144.5 | 48.3 | 7.1 | 137.6 | 129.1 |
| -125* | 125mm | 150.8 | 48.3 | 7.1 | 143.9 | 134.0 |
| -130* | 130mm | 157.8 | 48.3 | 7.1 | 150.9 | 139.9 |
| -140* | 140mm | 170.5 | 48.3 | 7.1 | 163.6 | 152.7 |
| Seal Dash Number | A .000-.002 | B REF | C ±.030 | D REF | E REF |
| -16 | 1 | 1.562 | 1.25 | 1.438 | 1.235 |
| -18 | 1.125 | 1.687 | 1.25 | 1.565 | 1.362 |
| -20 | 1.25 | 1.812 | 1.312 | 1.719 | 1.516 |
| -22 | 1.375 | 1.937 | 1.437 | 1.845 | 1.641 |
| -24 | 1.5 | 2.062 | 1.437 | 1.97 | 1.716 |
| -26 | 1.625 | 2.187 | 1.437 | 2.095 | 1.841 |
| -28 | 1.75 | 2.312 | 1.437 | 2.22 | 1.966 |
| -30 | 1.875 | 2.437 | 1.5 | 2.345 | 2.09 |
| -32 | 2 | 2.562 | 1.5 | 2.471 | 2.216 |
| -34 | 2.125 | 2.687 | 1.5 | 2.595 | 2.34 |
| -36 | 2.25 | 2.812 | 1.562 | 2.721 | 2.466 |
| -38 | 2.375 | 2.937 | 1.562 | 2.846 | 2.59 |
| -40 | 2.5 | 3.187 | 1.562 | 3.096 | 2.79 |
| -42 | 2.625 | 3.312 | 1.625 | 3.221 | 2.915 |
| -44 | 2.75 | 3.437 | 1.625 | 3.347 | 3.04 |
| -46 | 2.875 | 3.625 | 1.844 | 3.502 | 3.201 |
| -48 | 3 | 3.75 | 1.844 | 3.727 | 3.327 |
| -50 | 3.125 | 3.875 | 1.909 | 3.772 | 3.442 |
| -52 | 3.25 | 4 | 1.909 | 3.897 | 3.567 |
| -54 | 3.375 | 4.125 | 1.909 | 4.022 | 3.629 |
| -56 | 3.5 | 4.25 | 2.052 | 4.147 | 3.817 |
| -58 | 3.625 | 4.375 | 2.052 | 4.272 | 3.942 |
| -60 | 3.75 | 4.5 | 2.072 | 4.397 | 4.067 |
| -62 | 3.875 | 4.625 | 2.072 | 4.522 | 4.192 |