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X-RING 1,78X1,78 BLACK NBR70 (4004)
Part number: Q0001780178IB701807
Weight : 0.0350 gr.
Customs tariff code: 40169300
Country of origin: CN
X-RING 1,78X1,78 BLACK FPM70 (4004)
Part number: Q0001780178OZ719005
Weight : 0.0760 gr.
Customs tariff code: 39269097
Country of origin: VN
X-RING 2,06X2,62 BLACK NBR70 (4103)
Part number: Q0002060262IB719012
Weight : 0.1100 gr.
Customs tariff code: 40169300
Country of origin: BE
X-RING 2,57X1,78 BLACK NBR70 (4005)
Part number: Q0002570178IB701215
Weight : 0.1500 gr.
Customs tariff code: 40169300
Country of origin: CN
X-RING 2,57X1,78 BLACK FPM70 (4005)
Part number: Q0002570178OZ766623
Weight : 0.0700 gr.
Customs tariff code: 39269097
Country of origin: FR
Quality :
X-RING 2,57X1,78 BLACK FPM70 (4005)
Part number: Q0002570178OZ719005
Weight : 0.0700 gr.
Customs tariff code: 39269097
Country of origin: BE
X-RING 2,84X2,62 BLACK FPM70 (4104)
Part number: Q0002840262OZ701806
Weight : 0.0000 gr.
Customs tariff code: 39269097
Country of origin: DE
X-RING 2.84X2.62 BLACK NBR70 (4104)
Part number: Q0002840262IB710102
Weight : 0.1200 gr.
Customs tariff code: 40169300
Country of origin: BE
X-RING 2,90X1,78 BLACK FPM70 (4006-N1)
Part number: Q0002900178OZ766623
Weight : 0.0000 gr.
Customs tariff code: 39269097
Country of origin: FR
Quality :
X-RING 2,90X1,78 BLACK FPM75 (Viton®) (4006-N1)
Part number: Q0002900178OZ751017
Weight : 0.1500 gr.
Customs tariff code: 39269097
Country of origin: CN
X-RING 2,90X1,78 BLACK NBR70 (4006-N1)
Part number: Q0002900178IB719012
Weight : 0.0520 gr.
Customs tariff code: 40169300
Country of origin: BE
X-RING 3,63X2,62 BLACK FPM75 (Viton®) (4105)
Part number: Q0003630262OZ751017
Weight : 0.2000 gr.
Customs tariff code: 39269097
Country of origin: CN
technical data
| Profile | Material | Hardness | Temperature |
 | NBR | 70 SH A | -20 to +100 ºC |
| FPM | 75 SH A | -20 to +200 ºC |
| EPDM | 70 SH A | -50 to +130 ºC |
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X-Rings, the seals with the greatest resistance to expansion and pressure
The X-Ring, or Quad-Ring, is an elastomeric sealing part with four contact lips that enables extrusion and pressure to be better withstood. The flexibility of its lips also enables to reduce friction and wear.
This seal also stands out due to the flexibility of the lips, which reduces friction and wear. Whatever the direction of the force (radial or axial), the symmetrical section X-Ring guarantees an excellent seal, even in conditions of low pressure. In the event the pressure of the fluid increases, the elastic activation and rebound increase too. This is due to the fact that the elastomer, on acting like a fluid, transmits the force of the pressure in all directions.
Another of the benefits of X-Rings is that they require less force during start-up, up to 75% compared with other seals. Furthermore, due to their four support points, loss of lubricant is reduced significantly by effectively controlling the thickness of the film.
X-Rings or Quad-Rings, are used in single purpose applications, and, being a “self-energized” element, in static or dynamic.
X-Rings, advice for fitting
| H | HOUSING SIZE (mm) | RADIO (R) | RAD. MAX (G) | ||||||
| DEPTH | WIDTH | ||||||||
| DYNAMIC (C1) | STATIC (C) | WITHOUT BUR L+0,2 | WITH BUR L1+0,2 | WITH 2 BUR L2+0,2 | |||||
| NBR | FPM – VMQ | NBR | FPM-VMQ | ||||||
| 1,02±0,08 1,27±0,08 1,52±0,08 1,78±0,08 2,62±0,08 3,53±0,10 5,33±0,13 6,99±0,15 | 0,80±0,025 1,00±0,025 1,30±0,025 1,55±0,025 2,35±0,025 3,25±0,025 4,95±0,050 6,50±0,050 | 0,80 1,00 1,30 1,55 2,35 3,20 4,80 6,30 | 0,75±0,025 0,90±0,025 1,20±0,025 1,40±0,025 2,25±0,025 3,00±0,025 4,75±0,025 6,20±0,025 | 0,75 0,90 1,20 1,40 2,25 2,90 4,50 6,00 | 1,2 1,4 1,7 2,0 3,0 4,0 6,0 8,0 | – – – 3,5 4,4 5,4 7,8 10,5 | – – – 5,0 5,8 6,8 9,5 13 | 0,10 0,15 0,25 0,25 0,40 0,40 0,60 0,60 | 0,025 0,025 0,040 0,050 0,080 0,080 0,100 0,100 |