Viton® Back-Up Rings FKM 90 BS425 to BS475

£7.7098£68.7800

Back-up rings should generally be used for dynamic applications over 100 bar, and static applications around 950 bar. Each application can vary, therefore it is essential to use this as a general guideline only

Traditionally PTFE has been used but in recent years, contoured elastomer rings have been developed and are now widely used. Eastern Seals supplies a wide range of back-up ring profiles and materials to complement each seal type and to suit every application. We hold large stocks of Contoured rings in both Nitrile and Viton®.

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Product Information

  Back-Up Rings
ES RefSize
Price per unit
1 - 100101 - 250251 - 500501 - 10001001 - *
Quantity
BS425BUCOV90113.67X6.99MM
£7.7098£6.7846£5.8594£5.0114£4.2404

1 in stock (can be backordered)

BS426BUCOV90116.84X6.99MM
£7.9046£6.9560£6.0075£5.1380£4.3475

27 in stock (can be backordered)

BS427BUCOV90120.02X6.99MM
£8.1338£7.1577£6.1817£5.2870£4.4736

140 in stock (can be backordered)

BS428BUCOV90123.2X6.99MM
£8.5381£7.5135£6.4890£5.5498£4.6960

Available on backorder

BS429BUCOV90126.37X6.99MM
£8.9304£7.8588£6.7871£5.8048£4.9117

87 in stock (can be backordered)

BS430BUCOV90129.54X6.99MM
£9.2794£8.1659£7.0523£6.0316£5.1037

18 in stock (can be backordered)

BS431BUCOV90132.72X6.99MM
£9.7167£8.5507£7.3847£6.3159£5.3442

20 in stock (can be backordered)

BS432BUCOV90135.9X6.99MM
£10.1537£8.9353£7.7168£6.5999£5.5845

20 in stock (can be backordered)

BS433BUCOV90139.07X6.99MM
£10.5900£9.3192£8.0484£6.8835£5.8245

56 in stock (can be backordered)

BS434BUCOV90142.24X6.99MM
£10.9175£9.6074£8.2973£7.0964£6.0046

120 in stock (can be backordered)

BS435BUCOV90145.42X6.99MM
£11.3546£9.9920£8.6295£7.3805£6.2450

305 in stock (can be backordered)

BS436BUCOV90148.6X6.99MM
£11.4632£10.0876£8.7120£7.4511£6.3048

20 in stock (can be backordered)

BS437BUCOV90151.77X6.99MM
£11.5727£10.1840£8.7953£7.5223£6.3650

106 in stock (can be backordered)

BS438BUCOV90158.12X6.99MM
£11.7908£10.3759£8.9610£7.6640£6.4849

107 in stock (can be backordered)

BS439BUCOV90164.47X6.99MM
£12.0089£10.5678£9.1268£7.8058£6.6049

51 in stock (can be backordered)

BS440BUCOV90170.82X6.99MM
£12.5555£11.0488£9.5422£8.1611£6.9055

8 in stock (can be backordered)

BS441BUCOV90177.17X6.99MM
£12.7736£11.2408£9.7079£8.3028£7.0255

130 in stock (can be backordered)

BS442BUCOV90183.52X6.99MM
£13.1011£11.5290£9.9568£8.5157£7.2056

100 in stock (can be backordered)

BS443BUCOV90189.87X6.99MM
£13.6468£12.0092£10.3716£8.8704£7.5057

179 in stock (can be backordered)

BS444BUCOV90196.22X6.99MM
£13.9744£12.2975£10.6205£9.0834£7.6859

79 in stock (can be backordered)

BS445BUCOV90202.57X6.99MM
£15.2849£13.4507£11.6165£9.9352£8.4067

76 in stock (can be backordered)

BS446BUCOV90215.27X6.99MM
£16.9220£14.8914£12.8607£10.9993£9.3071

90 in stock (can be backordered)

BS447BUCOV90227.97X6.99MM
£17.4677£15.3716£13.2755£11.3540£9.6072

298 in stock (can be backordered)

BS448BUCOV90240.67X6.99MM
£19.1056£16.8129£14.5203£12.4186£10.5081

50 in stock (can be backordered)

BS449BUCOV90253.37X6.99MM
£21.8351£19.2149£16.5947£14.1928£12.0093

84 in stock (can be backordered)

BS450BUCOV90266.07X6.99MM
£22.9264£20.1752£17.4241£14.9022£12.6095

176 in stock (can be backordered)

BS451BUCOV90278.77X6.99MM
£24.0187£21.1365£18.2542£15.6122£13.2103

70 in stock (can be backordered)

BS452BUCOV90291.47X6.99MM
£24.5644£21.6167£18.6689£15.9669£13.5104

4 in stock (can be backordered)

BS453BUCOV90304.17X6.99MM
£25.1101£22.0969£19.0837£16.3216£13.8106

62 in stock (can be backordered)

BS454BUCOV90316.87X6.99MM
£26.7482£23.5384£20.3286£17.3863£14.7115

111 in stock (can be backordered)

BS455BUCOV90329.57X6.99MM
£27.8395£24.4988£21.1580£18.0957£15.3117

46 in stock (can be backordered)

BS456BUCOV90342.27X6.99MM
£28.9318£25.4600£21.9882£18.8057£15.9125

119 in stock (can be backordered)

BS457BUCOV90354.97X6.99MM
£30.0231£26.4203£22.8176£19.5150£16.5127

1 in stock (can be backordered)

BS458BUCOV90367.67X6.99MM
£31.1145£27.3808£23.6470£20.2244£17.1130

10 in stock (can be backordered)

BS459BUCOV90380.37X6.99MM
£32.2067£28.3419£24.4771£20.9344£17.7137

50 in stock (can be backordered)

BS460BUCOV90393.07X6.99MM
£32.7524£28.8221£24.8918£21.2891£18.0138

Available on backorder

BS461BUCOV90405.26X6.99MM
£33.8438£29.7825£25.7213£21.9985£18.6141

15 in stock (can be backordered)

BS462BUCOV90417.96X6.99MM
£34.3905£30.2636£26.1368£22.3538£18.9148

Available on backorder

BS463BUCOV90430.66X6.99MM
£35.4819£31.2241£26.9662£23.0632£19.5150

Available on backorder

BS464BUCOV90443.36X6.99MM
£40.0674£35.2593£30.4512£26.0438£22.0371

Available on backorder

BS465BUCOV90456.06X6.99MM
£41.4864£36.5080£31.5297£26.9662£22.8175

Available on backorder

BS466BUCOV90468.76X6.99MM
£43.6700£38.4296£33.1892£28.3855£24.0185

Available on backorder

BS467BUCOV90481.46X6.99MM
£45.3081£39.8711£34.4342£29.4503£24.9195

1 in stock (can be backordered)

BS468BUCOV90494.16X6.99MM
£48.4736£42.6568£36.8399£31.5078£26.6605

Available on backorder

BS469BUCOV90506.86X6.99MM
£50.2201£44.1937£38.1673£32.6431£27.6211

Available on backorder

BS470BUCOV90532.26X6.99MM
£52.9496£46.5956£40.2417£34.4172£29.1223

Available on backorder

BS471BUCOV90557.66X6.99MM
£55.1332£48.5172£41.9012£35.8366£30.3233

Available on backorder

BS472BUCOV90582.68X6.99MM
£57.8627£50.9192£43.9757£37.6108£31.8245

Available on backorder

BS473BUCOV90608.08X6.99MM
£61.1376£53.8011£46.4646£39.7394£33.6257

Available on backorder

BS474BUCOV90633.48X6.99MM
£65.5050£57.6444£49.7838£42.5783£36.0278

Available on backorder

BS475BUCOV90658.88X6.99MM
£68.7800£60.5264£52.2728£44.7070£37.8290

Available on backorder

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If you have any queries or would like any more information, don’t hesitate to get in touch.

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