K48 is a four piece double acting heavy duty piston seal which consists of one TPE profile ring , one elastomeric nitrile rubber to preload sealing element and two thermoplastic back-up rings.
| PRODUCT ADVANTAGES •Simple groove design •Superior performance in high and variable pressure •Long service life •Very good sealing performance at shock pressures •High resistance to abrasion •Ultimate resistance in water based fluids. APPLICATION Mining industryHeavy duty applications | |||||||||||||||||||||
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| SURFACE ROUGHNESS | Ra | Rmax |
| Sliding Surface ?D | <=0.4 ?m | <=4 ?m |
| Groove Base ?d | <=1.6 ?m | <=10 ?m |
| Groove Flanks B | <=3.2 ?m | <=16 ?m |
| Note: It is recommended to have 50% to 90% of the working surface material contact area value. | ||
INSTALLATION | ||
NOTES | ||
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| P<=350 | 0.45 | |||
| 350< P<=700 | 0.25 | |||
Note: The largest sealing gap value occurring on the non-pressurized side of the seal does have a vital importance for the function of the seal and in this respect it is quite important to use the S value lower than the above indicated numbers.
Размер (мм) | 130X105X30 |
Тип профиля | K48 |