GR/CS
Description
GR/CS is a double-acting scraper energised by an O-Ring. It can be used as a secondary seal in combination with a single- or double-acting seal, i.e. both GCR and GPS.
- Good scraping results even with hard-to-remove dirt;
- Good hold of the residual oil film on the piston rod;
- Excellent sliding properties;
- No stick-slip;
- High resistance to hydraulic flows.
TECHNICAL DATA
REFER TO SEAL IN PTFE + BZ AND O-RING IN NBR70
Working Speed
Temperature
INSTALLATION GROOVE SIZING
| ø Piston (dN) |
ø Groove | Groove width | Ø Bore | ø O-Ring | ||
| Series N° | Recommended range | Extended range | D3 H9 | L1 +0.2 | D4 H11 | d2 |
| GRC70 | 4.0 - 11.9 | 4.0 - 130.0 | dN + 4.8 | 3.7 | d + 1.5 | 1.78 |
| GRC71 | 12.0 - 64.9 | 10.0 - 245.0 | dN + 6.8 | 5.0 | d + 1.5 | 2.62 |
| GRC72 | 65.0 - 250.9 | 25.0 - 400.0 | dN + 8.8 | 6.0 | d + 1.5 | 3.53 |
| GRC73 | 251.0 - 420.9 | 40.0 - 655.0 | dN + 12.2 | 8.4 | d + 2.0 | 5.33 |
| GRC74 | 421.0 - 650.9 | 110.0 - 655.0 | dN + 16.0 | 11.0 | d + 2.0 | 7.00 |
| GRC75 | > 651 | 140.0 - 999.9 | dN + 20.0 | 14.0 | d + 2.5 | 8.40 |
ASSEMBLY DRAWING