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Seals | Profile | Material | Temperature | Speed | Pressure |
---|---|---|---|---|---|
SRPS | IMG | PTBR40 + O-Ring NBR70 | -20 to +120 ºC | 15,00 < m/s | 80 < Mp |
SRPS piston seal is the combination of a PTFE + filler ring (generally 40% bronze) and an energizing O-Ring that has an excellent sealing effect in dynamic and static applications such as double-acting cylinders, machine tools or construction machinery.
Piston diametre øD H9 | Depth | Width | Radius | Radial gap S máx.* | C/S OR | ||||
Standard serie | Light-duty serie | Heavy-duty serie | ød h9 | L +0,20 | r | 10 Mpa | 20 Mpa | 40 Mpa | d2 |
8 - 16,90 | 17 - 26,90 | D - 4,90 | 2,20 | 0,40 | 0,40 | 0,30 | 0,20 | 1,78 | |
17 - 26,90 | 27 - 59,90 | D - 7,30 | 3,20 | 0,60 | 0,60 | 0,50 | 0,30 | 2,62 | |
27 - 59,90 | 60 - 199,90 | 17 - 26,90 | D - 10,70 | 4,20 | 1,00 | 0,70 | 0,50 | 0,30 | 3,53 |
60 - 199,90 | 200 - 255,90 | 27 - 59,90 | D - 15,10 | 6,30 | 1,30 | 0,80 | 0,60 | 0,40 | 5,33 |
200 - 255,90 | 256 - 669,90 | 60 - 199,90 | D - 20,50 | 8,10 | 1,80 | 0,80 | 0,60 | 0,40 | 6,99 |
256 - 669,90 | 670 - 999,90 | 200 - 255,90 | D + 24,00 | 8,10 | 1,80 | 0,90 | 0,70 | 0,50 | 6,99 |
670 - 999,90 | 256 - 669,90 | D - 27,30 | 9,50 | 2,50 | 1,00 | 0,80 | 0,60 | 8,40 |
*At pressures > 40Mp, it is recommended to use the diametral tolerance h8/f8 on the back of the seal..