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O-rings BS425 to BS475 in PTFE

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Quick Overview

Cross Section is 6.99mm
8.18 21.25
8.36 21.75
8.38 21.79
9.83 25.55
10.19 26.48
9.78 25.42
10.06 26.16
10.22 26.57
10.36 26.93
10.62 27.58
10.87 28.25
11.17 29.06
11.46 29.8
12.04 31.31
12.20 31.72
13.16 34.21
17.35 45.09
13.59 35.31
13.60 35.35
14.14 36.78
14.52 37.77
16.97 44.13
20.88 54.3
21.59 56.12
27.05 70.31
29.12 75.72
30.64 79.65
31.43 81.71
32.94 85.65
34.49 89.68
34.68 90.18
35.39 92.01
36.09 93.84
37.17 96.63
38.73 100.71
40.50 105.28
65.67 170.75
60.39 157.02
69.05 179.54
97.89 254.52
82.61 214.79
86.34 224.49
86.94 226.04
88.81 230.9
94.27 245.09
108.84 283
112.93 293.61
127.75 332.16
130.22 338.56
135.71 352.84
Article No. I.D.(mm) C.S.(mm) Price Qty
1+ 50+ 100+ 500+
BS425PT 113.6700 6.9900
£21.25
£17.99
£11.45
£8.18
BS426PT 116.8400 6.9900
£21.75
£18.40
£11.71
£8.36
BS427PT 120.0200 6.9900
£21.79
£18.44
£11.73
£8.38
BS428PT 123.1900 6.9900
£25.55
£21.62
£13.76
£9.83
BS429PT 126.3700 6.9900
£26.48
£22.41
£14.26
£10.19
BS430PT 129.5400 6.9900
£25.42
£21.51
£13.69
£9.78
BS431PT 132.7200 6.9900
£26.16
£22.13
£14.08
£10.06
BS432PT 135.8900 6.9900
£26.57
£22.48
£14.30
£10.22
BS433PT 139.0700 6.9900
£26.93
£22.80
£14.50
£10.36
BS434PT 142.2400 6.9900
£27.58
£23.34
£14.86
£10.62
BS435PT 145.4200 6.9900
£28.25
£23.90
£15.20
£10.87
BS436PT 148.5900 6.9900
£29.06
£24.59
£15.65
£11.17
BS437PT 151.7700 6.9900
£29.80
£25.21
£16.04
£11.46
BS438PT 158.1200 6.9900
£31.31
£26.49
£16.86
£12.04
BS439PT 164.4700 6.9900
£31.72
£26.84
£17.07
£12.20
BS440PT 170.8200 6.9900
£34.21
£28.95
£18.42
£13.16
BS441PT 177.1700 6.9900
£45.09
£38.16
£24.28
£17.35
BS442PT 183.5200 6.9900
£35.31
£29.88
£19.02
£13.59
BS443PT 189.8700 6.9900
£35.35
£29.91
£19.04
£13.60
BS444PT 196.2200 6.9900
£36.78
£31.12
£19.80
£14.14
BS445PT 202.5700 6.9900
£37.77
£31.95
£20.34
£14.52
BS446PT 215.2700 6.9900
£44.13
£37.34
£23.76
£16.97
BS447PT 227.9700 6.9900
£54.30
£45.94
£29.23
£20.88
BS448PT 240.6700 6.9900
£56.12
£47.49
£30.22
£21.59
BS449PT 253.3700 6.9900
£70.31
£59.49
£37.86
£27.05
BS450PT 266.0700 6.9900
£75.72
£64.07
£40.77
£29.12
BS451PT 278.7700 6.9900
£79.65
£67.40
£42.89
£30.64
BS452PT 291.4700 6.9900
£81.71
£69.14
£44.00
£31.43
BS453PT 304.1700 6.9900
£85.65
£72.47
£46.12
£32.94
BS454PT 316.8700 6.9900
£89.68
£75.88
£48.29
£34.49
BS455PT 329.5700 6.9900
£90.18
£76.30
£48.56
£34.68
BS456PT 342.2700 6.9900
£92.01
£77.86
£49.55
£35.39
BS457PT 354.9700 6.9900
£93.84
£79.40
£50.53
£36.09
BS458PT 367.6700 6.9900
£96.63
£81.76
£52.04
£37.17
BS459PT 380.3700 6.9900
£100.71
£85.22
£54.23
£38.73
BS460PT 393.0700 6.9900
£105.28
£89.09
£56.69
£40.50
BS461PT 405.2600 6.9900
£170.75
£144.48
£91.94
£65.67
BS462PT 417.9600 6.9900
£157.02
£132.86
£84.55
£60.39
BS463PT 430.6600 6.9900
£179.54
£151.91
£96.67
£69.05
BS464PT 443.3600 6.9900
£254.52
£215.37
£137.05
£97.89
BS466PT 468.7600 6.9900
£214.79
£181.74
£115.66
£82.61
BS467PT 481.4600 6.9900
£224.49
£189.96
£120.88
£86.34
BS468PT 494.1600 6.9900
£226.04
£191.27
£121.72
£86.94
BS469PT 506.8600 6.9900
£230.90
£195.37
£124.33
£88.81
BS470PT 532.2600 6.9900
£245.09
£207.39
£131.97
£94.27
BS471PT 557.6600 6.9900
£283.00
£239.45
£152.38
£108.84
BS472PT 582.6800 6.9900
£293.61
£248.44
£158.10
£112.93
BS473PT 608.0800 6.9900
£332.16
£281.05
£178.86
£127.75
BS474PT 633.4800 6.9900
£338.56
£286.48
£182.30
£130.22
BS475PT 658.8800 6.9900
£352.84
£298.57
£190.00
£135.71

Details

PTFE is a highly resilient O ring material unaffected by virtually all known acids, alkalis and solvents. It is tough, abrasion resistant and capable of withstanding temperatures between -200°C to +250°C. It also possesses outstanding weather, ozone and electrical resistance. For this reason, it is the plastic O ring of choice for use in aerospace, food, pharmaceuticals and telecommunications industries. PTFE O rings could be a more economical alternative to FFKM materials, but they are not easily compressed and have little memory to be able to return to their original form. This can be a disadvantage if under permanent strain and may not create the best lasting seal.

Additional Information

Colour whi
Material PTFE
Cross Section Type Circular
O-ring type British Standard
Maximum Temperature (°C) 250.00
Minimum Temperature (°C) -200.00
*Dimensions can vary, they are typical only.

Further Information (File Downloads)