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Seals | Profile | Material | Temperature | Speed | Pressure |
---|---|---|---|---|---|
SRPD | PTFE + 40% BRONZE + NBR70 | -20 to +120 ºC | 15 < m/s | 60 < Mpa |
SRPD piston seal is the combination of a PTFE + Filler ring (generally 40% bronze) and an energizing O-Ring. It is a model particularly well adapted to applications with alternative and helicoidal movements such as double-acting cylinders, machine tools or construction machinery.
Piston diametre | Groove diametre | Groove width | Radius | Radial gap S max | OR C/S | ||||
Standard serie | Light-duty serie | Heavy-duty serie | d1 h9 | L1 +0,2 | r1 | 10 MPa | 20 MPa | 40 MPa | d2 |
8-14,9 | 15-39,9 | - | DN 4,9 | 2,2 | 0,4 | 0,30 | 0,20 | 0,15 | 1,78 |
15-39,9 | 40-79,9 | - | DN - 7,5 | 3,2 | 0,6 | 0,40 | 0,25 | 0,15 | 2,62 |
40-79,9 | 80-132,9 | 15-39,9 | DN - 11,0 | 4,2 | 1,0 | 0,40 | 0,25 | 0,20 | 3,53 |
80-132,9 | 133-329,9 | 40-79,9 | DN - 15,5 | 6,3 | 1,3 | 0,50 | 0,30 | 0,20 | 5,33 |
133-329,9 | 330-669,9 | 80-132,9 | DN - 21,0 | 8,1 | 1,8 | 0,60 | 0,35 | 0,25 | 6,99 |
330-669,9 | 670-999,9 | 133-329,9 | DN - 24,5 | 8,1 | 1,8 | 0,60 | 0,35 | 0,25 | 6,99 |
670-999,9 | - | 330-669,9 | DN - 28,0 | 9,5 | 2,5 | 0,70 | 0,50 | 0,30 | 8,40 |
>1000 | - | 670-999,9 | DN - 38,0 | 13,8 | 3,0 | 1,00 | 0,70 | 0,60 | 12,00 |