Asymmetric U-Cup
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Product Overview Pioneer Weston’s asymmetric U-Cup is available in both piston and rod geometries and offers a stand alone, robust solution for both hydraulic and pneumatic reciprocating applications. The asymmetric U-cup may be used as the primary seal in tandem rod arrangements, or back-to-back in piston applications due to the venting lip design. Under low pressure the asymmetric U-cup exerts low friction upon mating hardware requiring low actuation force. Available in a range of high performance materials, the asymmetric U-cup offers exceptional performance and service life, whilst minimising the required space envelope required. |
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Compound References
| Jacket Material | Compound Reference | Energiser Material | Colour | Hardness (IRHD) | Temperature Range | Select for.. | Material Designator |
|---|---|---|---|---|---|---|---|
| Polyurethane, moulded | PU-90-203 | NBR 70 | Black | 90 | -40 to +100oC |
Hydraulic ram rod seals for high volume manufacture |
AM1 |
| Polyurethane, machined | PU-90-202 | NBR 70 | Green | 90 | -40 to +100oC |
Hydraulic ram rod seals for low volume manufacture |
AC1 |
| Polyurethane, hydrolysis resistant | PU-95-166 | NBR 70 | Red | 95 | -40 to +100oC |
Hydraulic ram rod seals in aqueous environments- low volume manufacture |
AH1 |
| Nitrile rubber (NBR) | N-90-204 | NBR 70 | Black | 90 | -35 to +110oC |
Piston applications for low – medium pressure |
NJ1 |
| Hydrogenated nitrile (HNBR), moulded | H-85-205 | HNBR 70 | Black | 85 | -40 to +180oC |
Elevated temperatures, high abrasion resistance |
HJ1 |
| Hydrogenate nitrile (HNBR), machined | H-85-206 | HNBR 70 | Black | 85 | -40 to +180oC |
Elevated temperatures, high abrasion resistance, low volume, rapid manufacture |
HJ2 |
| Fluorocarbon (FKM, A-type) | V-85-207 | FKM 75 | Green | 85 | -20 to +200oC |
High temperatures, increased chemical resistance |
FJ1 |