GRS - PTFE Hydraulic Rotary Seal with NBR/FKM O-Ring
installation recommendation
installation sizes
bore diameter d1 h9 | groove diameter | groove width | radial clearance s max. | radius | o-ring cross-section | ||
standard range | extended application | dn h9 | l1+0.2 | 32mpa | 50mpa | r1 | d2 |
| 6-18.9 | 6-130.0 | d1+4.9 | 2.20 | 0.15 | 0.10 | 0.40 | 1.78 |
| 19-37.9 | 10-245.0 | d1+7.5 | 3.20 | 0.20 | 0.15 | 0.60 | 2.62 |
| 38-199.9 | 19-455.0 | d1+11.0 | 4.20 | 0.25 | 0.20 | 1.00 | 3.53 |
| 200-255.9 | 38-655.0 | d1+15.5 | 6.30 | 0.30 | 0.25 | 1.30 | 5.33 |
| 256-649.9 | 120-655.0 | d1+21.0 | 8.10 | 0.30 | 0.25 | 1.80 | 7.00 |
| 650-999.9 | 650-999.9 | d1+28.0 | 9.50 | 0.45 | 0.30 | 2.50 | 8.40 |
application and properties
suitable for sealing with rotating or swinging rods, shafts, pins, rotary joints, etc. it is a rotary sealing ring that can withstand both sides pressure or alternating pressure role of the double acting effect, used in construction machinery, construction machinery and automotive equipment. it can be applied on occasions where piston rod and piston seal are required, low friction, non viscous phenomenon, simple groove, good abrasion resistance and dimensional stability.
standard materials
sealing ring: filled ptfe
o-ring: nbr / fkm
working conditions | ||||
diameter range | pressure range | temperature range | speed | medium |
3-1600mm | 0-30mpa | -30℃+200℃ | 1 m/s | hydraulic oil, flame retardant liquid, water and others |
bore dia. | groove dia. | groove width | order no. |
d h9 | dn h9 | l1+0.2 | |
6 8 10 | 10.9 12.9 14.9 | 2.2 2.2 2.2 | grs6*10.9*2.2 grs8*12.9*2.2 grs10*14.9*2.2 |
12 14 15 | 16.9 18.9 19.9 | 2.2 2.2 2.2 | grs12*16.9*2.2 grs14*18.9*2.2 grs15*19.9*2.2 |
22 25 26 | 29.5 32.5 33.5 | 3.2 3.2 3.2 | grs22*29.5*3.2 grs25*32.5*3.2 grs26*33.5*3.2 |
28 30 32 | 35.5 37.5 39.5 | 3.2 3.2 3.2 | grs28*35.5*3.2 grs30*37.5*3.2 grs32*39.5*3.2 |
42 44 45 | 53 55 56 | 4.2 4.2 4.2 | grs42*53*4.2 grs44*55*4.2 grs45*56*4.2 |
48 50 52 | 59 61 63 | 4.2 4.2 4.2 | grs48*59*4.2 grs50*61*4.2 grs52*63*4.2 |
200 210 220 | 215.5 225.5 235.5 | 6.3 6.3 6.3 | grs200*215.5*6.3 grs210*225.5*6.3 grs220*235.5*6.3 |
240 250 280 | 255.5 265.5 301 | 6.3 6.3 8.1 | grs240*255.5*6.3 grs250*265.5*6.3 grs280*301*8.1 |
300 320 350 | 321 341 371 | 8.1 8.1 8.1 | grs300*321*8.1 grs320*341*8.1 grs350*371*8.1 |
600 650 700 | 621 678 728 | 8.1 9.5 9.5 | grs600*621*8.1 grs650*678*9.5 grs700*728*9.5 |
Contact
Supplier
