The KR piston seal consists of a PU slide ring and a square NBR rubber energizer. Pressure range up to 300bar(4351psi).They are available in metric sizes and some fit seal housings in accordance with ISO 7425-1:1988.
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| KR PISTON SEALS | |
|---|---|
 | |
| Material | Slide ring: PU |
| Energizer: NBR | |
| Pressure | Up to 300 bar(4351psi) |
| Speed | Up to 1 m/s |
| Temperature range | -35 to +110℃ |
| Designation | D1 | d1 | L |
|---|---|---|---|
| KR 20X12.5X3.2 | 20 | 12.5 | 3.2 |
| KR 25X17.5X3.2 | 25 | 17.5 | 3.2 |
| KR 25X14X4.2 | 25 | 14 | 4.2 |
| KR 32X24.5X3.2 | 32 | 24.5 | 3.2 |
| KR 32X21X4.2 | 32 | 21 | 4.2 |
| KR 38X27X4.2 | 38 | 27 | 4.2 |
| KR 40X32.5X3.2 | 40 | 32.5 | 3.2 |
| KR 40X29X4.2 | 40 | 29 | 4.2 |
| KR 45X34X4.2 | 45 | 34 | 4.2 |
| KR 45X32X6.3 | 45 | 32 | 6.3 |
| KR 50X39X4.2 | 50 | 39 | 4.2 |
| KR 50X34.5X6.3 | 50 | 34.5 | 6.3 |
| KR 55X39.5X6.3 | 55 | 39.5 | 6.3 |
| KR 60X49X4.2 | 60 | 49 | 4.2 |
| KR 60X44.5X6.3 | 60 | 44.5 | 6.3 |
| KR 63X52X4.2 | 63 | 52 | 4.2 |
| KR 63X47.5X6.3 | 63 | 47.5 | 6.3 |
| KR 63X50X6.3 | 63 | 50 | 6.3 |
| KR 65X52X6.3 | 65 | 52 | 6.3 |
| KR 65X49.5X6.3 | 65 | 49.5 | 6.3 |
| KR 70X59X4.2 | 70 | 59 | 4.2 |
| KR 70X54.5X6.3 | 70 | 54.5 | 6.3 |
| KR 70X57X6.3 | 70 | 57 | 6.3 |
| KR 75X59.5X6.3 | 75 | 59.5 | 6.3 |
| KR 75X62X6.3 | 75 | 62 | 6.3 |
| KR 75X60X7.3 | 75 | 60 | 7.3 |
| KR 80X69X4.2 | 80 | 69 | 4.2 |
| KR 80X64.5X6.3 | 80 | 64.5 | 6.3 |
| KR 80X65X7.3 | 80 | 65 | 7.3 |
| KR 85X71.5X6.3 | 85 | 71.5 | 6.3 |
| KR 85X69.5X6.3 | 85 | 69.5 | 6.3 |
| KR 90X74.5X6.3 | 90 | 74.5 | 6.3 |
| KR 90X69X8.1 | 90 | 69 | 8.1 |
| KR 90X69X10.5 | 90 | 69 | 10.5 |
| KR 95X79.5X6.3 | 95 | 79.5 | 6.3 |
| KR 100X84.5X6.3 | 100 | 84.5 | 6.3 |
| KR 100X86.5X6.3 | 100 | 86.5 | 6.3 |
| KR 100X79X8.1 | 100 | 79 | 8.1 |
| KR 100X85X7.3 | 100 | 85 | 7.3 |
| KR 105X84.5X6.3 | 105 | 84.5 | 6.3 |
| KR 105X89.5X6.3 | 105 | 89.5 | 6.3 |
| KR 110X89X8.1 | 110 | 89 | 8.1 |
| KR 115X94X8.1 | 115 | 94 | 8.1 |
| KR 120X99X8.1 | 120 | 99 | 8.1 |
| KR 120X98X10 | 120 | 98 | 10 |
| KR 125X109.5X6.3 | 125 | 109.5 | 6.3 |
| KR 125X104X8.1 | 125 | 104 | 8.1 |
| KR 140X119X8.1 | 140 | 119 | 8.1 |
| KR 160X139X8.1 | 160 | 139 | 8.1 |
| KR 180X159X8.1 | 180 | 159 | 8.1 |
| KR 200X179X8.1 | 200 | 179 | 8.1 |