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PTB Hydraulic Rod Seals SKF
PTB rod seals
Hydraulic seals - Rod and buffer seals - PTB/SKF
PTB seals are energized U-cup rod seals and (fig. 1) are made of LUBRITHANE (TPU). They are suitable for pressures up to 400 bar (5 800 psi) in medium duty appliC-A-Tions and are available in metric and inch sizes.
| Size | 20*27*6.6 | 25*38*11 | 35*43*7 | 45*55*11 |
| 8*16*6.3 | 20*28*5.5 | 25*40*11 | 35*43*8.8 | 45*56*7.7 |
| 9*17*6.3 | 20*28*6.3 | 28*35*5.5 | 35*45*6.6 | 45*60*9.9 |
| 9*19*8.8 | 20*28*7.9 | 28*36*5.8 | 35*45*8 | 45*60*11 |
| 10*16*6.6 | 20*30*6.6 | 28*36*8.8 | 35*45*8.8 | 45*60*12.7 |
| 10*18*6.3 | 20*30*7.9 | 28*37*8.6 | 35*45*11 | 45*63*13.2 |
| 10*18*8.8 | 20*30*8.8 | 28*38*8 | 35*50*9.9 | 45*65*13.2 |
| 10*20*8.3 | 20*32*6.6 | 28*38*8.8 | 35*50*11 | 45*70*16.5 |
| 10*20*8.8 | 20*32*8.8 | 28*38*11 | 35*50*2.5 | 48*63*11.2 |
| 11.2*19.2*5.5 | 20*35*11 | 28*40*6.6 | 35*51*11 | 48*68*13.2 |
| 12*18*6.6 | 20*35*3.2 | 28*40*11 | 35*55*11 | 50*58*8.8 |
| 12*19*5.1 | 20*40*3.2 | 28*43*11.2 | 35.5*45*6.6 | 50*60*6.6 |
| 12*20*5.5 | 22*29*5.1 | 28*48*13.2 | 36*44*5.8 | 50*60*8 |
| 12*20*7 | 22*30*5.5 | 30*37*6.6 | 36*44*6.6 | 50*60*8.8 |
| 12*22*6.6 | 22*30*6.3 | 30*38*6.3 | 36*44*8.8 | 50*60*11 |
| 12*22*8 | 22*30*6.6 | 30*38*6.9 | 36*46*8.8 | 50*60*13.2 |
| 12*22*8.8 | 22*30*7.7 | 30*38*8.8 | 36*46*11 | 50*63*8.8 |
| 12.5*22.5*8.8 | 22*30*8.8 | 30*40*6.6 | 36*52*11 | 50*63*11 |
| 13*19*4.4 | 22*32*6.6 | 30*40*7.2 | 37*47*8.8 | 50*65*9.9 |
| 14*21*5.1 | 22*32*8 | 30*40*8 | 37*47*5.5 | 50*65*11 |
| 14*22*5.5 | 22*32*8.8 | 30*40*11 | 40*48*5.5 | 50*65*12.5 |
| 14*24*6.1 | 22*35*8.8 | 30*42*9.9 | 40*48*6.6 | 50*70*11 |
| 14*24*8.8 | 22*35*11 | 30*42*11 | 40*48*8.8 | 50*70*13.2 |
| 15*22*5.5 | 22*40*3.2 | 30*45*9.9 | 40*50*6.6 | 53*63*6.6 |
| 15*25*8.8 | 22.4*30*5.5 | 30*45*11 | 40*50*7.2 | 53*63*11 |
| 16*22*4.4 | 22.4*32.4*8.8 | 30*50*11 | 40*50*8 | 55*65*6.6 |
| 16*24*5.5 | 23.5*31.5*5.5 | 31.5*41.5*6.6 | 40*50*8.8 | 55*65*11 |
| 16*26*8.8 | 25*33*5.5 | 32*40*6.3 | 40*50*11 | 55*65*13.2 |
| 17*25*11 | 25*33*6.1 | 32*40*8.3 | 40*53*8.8 | 55*68*11 |
| 18*25*5.1 | 25*33*6.3 | 32*40*8.8 | 40*55*9.9 | 55*70*9.9 |
| 18*26*5.5 | 25*33*8.8 | 32*42*8 | 40*55*11 | 55*70*13.2 |
| 18*28*8.8 | 25*33*11 | 32*42*11 | 40*56*11 | 55*75*13.2 |
| 20*26*5.5 | 25*35*8 | 32*44*6.1 | 40*60*13.2 | 55*80*6.5 |
| 32*48*11 | 25*35*8.8 | 32*44*6.9 | 41.7*50.7*7.8 | 60*68*8.8 |
| 33*40*8.8 | 25*35*11 | 32*45*11 | 42*55*7.7 | 60*70*6.6 |
| 33*43*11 | 25*38*8.8 | 32*47*11 | 45*53*5.8 | 60*70*8.8 |
| 60*71*7.7 | 63*73*6.6 | 60*80*16 | 45*53*8.8 | 60*70*9.9 |
| 60*73*11 | 63*73*13.2 | 62*72*13.2 | 45*55*6.6 | 60*70*11 |
| 60*75*9.9 | 63*75*9.6 | 63*71*8.8 | 45*55*8 | 60*70*13.2 |
| 60*75*11 | 63*78*9.9 | 60*80*13.2 | 63*78*11.7 | 82*92*11 |
| 60*75*12.1 | 63*78*11 | 72*87*9.9 | 63*83*13.2 | 84*98*13.2 |
| 120*140*16.5 | 100*115*13.2 | 75*83*6.6 | 63*83*16.5 | 85*95*6.6 |
| 125*140*9.9 | 100*120*13.2 | 75*85*6.6 | 64*80*13.2 | 85*100*9.9 |
| 125*140*16.5 | 100*120*16 | 75*85*8.8 | 65*73*8.8 | 85*100*11 |
| 125*145*16 | 100*125*13.6 | 75*85*11 | 65*75*6.6 | 85*100*13.2 |
| 125*145*16.5 | 100*125*16.5 | 75*85*13.2 | 65*75*8.8 | 85*105*13.2 |
| 125*150*19.8 | 105*120*9.9 | 75*88*11 | 65*75*11 | 87*110*11 |
| 130*145*9.9 | 105*120*11 | 75*90*6.6 | 65*75*13.2 | 88*102*11.6 |
| 130*150*13.2 | 105*125*12.5 | 75*90*9.9 | 65*78*11 | 90*98*8.8 |
| 130*150*14.3 | 105*125*13.2 | 75*90*11 | 65*80*9.9 | 90*100*6.6 |
| 130*150*16.5 | 105*125*16.5 | 75*90*12.1 | 65*80*11 | 90*100*7.7 |
| 130*150*17.6 | 109*125*11.6 | 75*90*12.5 | 65*80*13.2 | 90*105*9.9 |
| 130*160*18.7 | 110*125*9.9 | 75*90*13.2 | 65*85*13.2 | 90*105*11 |
| 135*150*9.9 | 110*125*10.1 | 75*95*13.2 | 67*77*6.6 | 90*105*12.5 |
| 135*155*16.5 | 110*125*11 | 75*100*16.5 | 70*78*8.8 | 90*105*13.2 |
| 136*150*9.9 | 110*125*13.2 | 78*90*12.1 | 70*80*6.6 | 90*110*13.2 |
| 140*155*9.9 | 110*130*11 | 80*88*8.8 | 70*80*11 | 90*110*16 |
| 140*160*13.2 | 110*130*13.2 | 80*90*6.6 | 70*80*13.2 | 92*102*11 |
| 140*160*15.4 | 110*130*16.5 | 80*90*8.8 | 70*83*11 | 95*105*6.6 |
| 140*160*16 | 110*135*19.8 | 80*90*11 | 70*85*9.9 | 95*110*9.9 |
| 140*160*16.5 | 112*125*7.7 | 80*90*13.2 | 70*85*11 | 95*110*11 |
| 145*160*7.7 | 115*130*9.4 | 80*92*10.5 | 70*85*12.5 | 95*110*13.2 |
| 145*160*9.9 | 115*130*9.9 | 80*93*11 | 70*85*13.2 | 95*115*13.2 |
| 150*160*8.8 | 115*130*11 | 80*95*9.9 | 70*90*13.2 | 97*105*14.3 |
| 150*165*9.9 | 115*135*13.2 | 80*95*11 | 70*90*16.5 | 98*110*17.6 |
| 150*170*16.5 | 115*135*16.5 | 80*95*12.1 | 71*80*6.6 | 100*108*8.8 |
| 150*170*17.6 | 115*140*19.8 | 80*95*12.5 | 71*80*7.2 | 100*115*9.9 |
| 150*180*19.8 | 118*133*9.9 | 80*100*13.2 | 72*82*8.8 | 100*115*11 |
| 155*180*16.5 | 120*130*16.5 | 80*100*16 | 190*215*16.5 | 170*190*16.5 |
| 155*180*17.6 | 120*135*9.9 | 80*100*16.5 | 190*215*17.6 | 170*195*17.6 |
| 160*175*9.9 | 120*140*11 | 180*200*13.8 | 199*224*17.6 | 175*200*16.5 |
| 160*180*16.5 | 120*140*13.2 | 180*205*16.5 | 200*220*13.8 | 175*200*19.8 |
| 160*185*17.6 | 120*140*16 | 180*205*17.6 | 200*220*16.5 | 205*235*19.8 |
| 160*185*19.8 | 170*200*16.5 | 190*210*13.2 | 200*225*16.5 | 165*180*10.5 |
| 160*190*25 | 175*185*12.5 | 190*210*16.5 | 200*225*17.6 | 165*190*17.6 |
| |
| Material codes | Sealing ring: U-1003 X-ring: A-8501 → see Engineering information below |
| Pressure | Up to 400 bar (5 800 psi) |
| Speed | Up to 1 m/s (3.2 ft/s) |
| Temperature range | |
| Extreme low temperature range: may be intermittently exposed (e.g. cold start-up) without seal damage, but seal performance may be compromised while in this range |
| Temperatures below the recommended operating range: seal performance depends on system design (precision guiding arrangement recommended) |
| Recommended operating temperature range for this profile and material |
| Temperatures above the recommended operating range: acceptable only with reduced pressure, speed, e-gap and/or with the use of a full-face anti-extrusion ring |
| Extreme high temperature range: only occasional short-term exposure (e.g. cylinder in curing oven of a powder coating process |