Description
The P8 profile is a stepped double acting wiper seal composed of two rubber wiping lips. This Double Wiper exerts inwards the wiping function of a U-ring, and a wiping action outwards against soiling.
Design standard
Busak+Shamban DA17 series and Merkel P8 series may be referenced for design.
Technical data
Temperature | -30°C/+200°C |
Reciprocating speed | 1 m/s |
Medias | Mineral hydraulic oils Fire-resistant liquids Biocompatible fluids Water Others (contact our experts) |
Applications
Agriculture
machinery
Material handling - Lifting
Hydraulic cylindersIndustrial vehiclesPressesInjection moulding machines
Materials
NBR 90 Shore A
FKM 90 Shore AAdvantagesLow friction Wear-resistantEasy assembly by deformation
Good wiping effect, both internally and externallyVery good sealing effect against residual film of oil on the extending rod

Part number | Rod diameter | Groove diameter | Bore diameter | Groove width | Seal height | Groove width |
Ød1 f8/h9 | ØD1 H9 | ØD2 H11 | L1 0/+0.20 | H2 | L2 0/+0.20 |
P8-10*18*13.5 | 10 | 18 | 13.5 | 6 | 8 | 2 |
P8-12*20*15.5 | 12 | 20 | 15.5 | 6 | 8 | 2 |
P8-14*22*17.5 | 14 | 22 | 17.5 | 6 | 8 | 2 |
P8-15*23*18.5 | 15 | 23 | 18.5 | 6 | 8 | 2 |
P8-16*24*19.5 | 16 | 24 | 19.5 | 6 | 8 | 2 |
P8-18*26*21.5 | 18 | 26 | 21.5 | 6 | 8 | 2 |
P8-20*28*23.5 | 20 | 28 | 23.5 | 6 | 8 | 2 |
P8-22*30*25.5 | 22 | 30 | 25.5 | 6 | 8 | 2 |
P8-24*32*27.5 | 24 | 32 | 27.5 | 6 | 8 | 2 |
P8-25*33*28.5 | 25 | 33 | 28.5 | 6 | 8 | 2 |
P8-28*36*31.5 | 28 | 36 | 31.5 | 6 | 8 | 2 |
P8-30*38*33.5 | 30 | 38 | 33.5 | 6 | 8 | 2 |
P8-32*40*35.5 | 32 | 40 | 35.5 | 6 | 8 | 2 |
P8-35*43*38.5 | 35 | 43 | 38.5 | 6 | 8 | 2 |
P8-36*44*39.5 | 36 | 44 | 39.5 | 6 | 8 | 2 |
P8-37*45*40.5 | 37 | 45 | 40.5 | 6 | 8 | 2 |
P8-38*46*41.5 | 38 | 46 | 41.5 | 6 | 8 | 2 |
P8-40*48*43.5 | 40 | 48 | 43.5 | 6 | 8 | 2 |
P8-42*50*45.5 | 42 | 50 | 45.5 | 6 | 8 | 2 |
P8-45*53*48.5 | 45 | 53 | 48.5 | 6 | 8 | 2 |
P8-46*54*49.5 | 46 | 54 | 49.5 | 6 | 8 | 2 |
P8-48*56*51.5 | 48 | 56 | 51.5 | 6 | 8 | 2 |
P8-50*58*53.5 | 50 | 58 | 53.5 | 6 | 8 | 2 |
P8-52*60*55.5 | 52 | 60 | 55.5 | 6 | 8 | 2 |
P8-55*63*58.5 | 55 | 63 | 58.5 | 6 | 8 | 2 |
P8-56*64*59.5 | 56 | 64 | 59.5 | 6 | 8 | 2 |
P8-60*68*63.5 | 60 | 68 | 63.5 | 6 | 8 | 2 |
P8-60*72*65 | 60 | 72 | 65 | 8.2 | 11 | 3 |
P8-63*71*66.5 | 63 | 71 | 66.5 | 6 | 8 | 2 |
P8-65*73*68.5 | 65 | 73 | 68.5 | 6 | 8 | 2 |
P8-68*76*71.5 | 68 | 76 | 71.5 | 6 | 8 | 2 |
P8-70*78*73.5 | 70 | 78 | 73.5 | 6 | 8 | 2 |
P8-75*83*78.5 | 75 | 83 | 78.5 | 6 | 8 | 2 |
P8-80*88*83.5 | 80 | 88 | 83.5 | 6 | 8 | 2 |
P8-85*93*88.5 | 85 | 93 | 88.5 | 6 | 8 | 2 |
P8-90*98*93.5 | 90 | 98 | 93.5 | 6 | 8 | 2 |
P8-95*103*98.5 | 95 | 103 | 98.5 | 6 | 8 | 2 |
P8-105*117*110 | 105 | 117 | 110 | 8.2 | 11 | 3 |
P8-110*122*115 | 110 | 122 | 115 | 8.2 | 11 | 3 |
P8-115*127*120 | 115 | 127 | 120 | 8.2 | 11 | 3 |
P8-120*132*125 | 120 | 132 | 125 | 8.2 | 11 | 3 |
P8-125*135*130 | 125 | 135 | 130 | 8.2 | 11 | 3 |
P8-130*142*135 | 130 | 142 | 135 | 8.2 | 11 | 3 |
P8-135*147*140 | 135 | 147 | 140 | 8.2 | 11 | 3 |
P8-140*152*145 | 140 | 152 | 145 | 8.2 | 11 | 3 |
P8-145*157*150 | 145 | 157 | 150 | 8.2 | 11 | 3 |
P8-150*162*155 | 150 | 162 | 155 | 8.2 | 11 | 3 |
P8-155*167*160 | 155 | 167 | 160 | 8.2 | 11 | 3 |
P8-165*177*170 | 165 | 177 | 170 | 8.2 | 11 | 3 |
P8-170*182*175 | 170 | 182 | 175 | 8.2 | 11 | 3 |
P8-175*187*180 | 175 | 187 | 180 | 8.2 | 11 | 3 |
P8-180*192*185 | 180 | 192 | 185 | 8.2 | 11 | 3 |
P8-185*197*190 | 185 | 197 | 190 | 8.2 | 11 | 3 |
P8-190*202*195 | 190 | 202 | 195 | 8.2 | 11 | 3 |
P8-195*207*200 | 195 | 207 | 200 | 8.2 | 11 | 3 |
P8-200*212*205 | 200 | 212 | 205 | 8.2 | 11 | 3 |
P8-205*220*212 | 205 | 220 | 212 | 9.5 | 13 | 3 |
P8-210*225*217 | 210 | 225 | 217 | 9.5 | 13 | 3 |
P8-215*230*222 | 215 | 230 | 222 | 9.5 | 13 | 3 |
P8-220*235*227 | 220 | 235 | 227 | 9.5 | 13 | 3 |
P8-225*240*232 | 225 | 240 | 232 | 9.5 | 13 | 3 |
P8-230*245*237 | 230 | 245 | 237 | 9.5 | 13 | 3 |
P8-240*255*247 | 240 | 255 | 247 | 9.5 | 13 | 3 |
P8-250*265*257 | 250 | 265 | 257 | 9.5 | 13 | 3 |
P8-260*275*267 | 260 | 275 | 267 | 9.5 | 13 | 3 |
P8-270*285*277 | 270 | 285 | 277 | 9.5 | 13 | 3 |
P8-280*295*287 | 280 | 295 | 287 | 9.5 | 13 | 3 |
P8-290*305*297 | 290 | 305 | 297 | 9.5 | 13 | 3 |
P8-300*315*307 | 300 | 315 | 307 | 9.5 | 13 | 3 |
P8-310*325*317 | 310 | 325 | 317 | 9.5 | 13 | 3 |
P8-320*335*327 | 320 | 335 | 327 | 9.5 | 13 | 3 |
P8-330*345*337 | 330 | 345 | 337 | 9.5 | 13 | 3 |
P8-340*355*347 | 340 | 355 | 347 | 9.5 | 13 | 3 |
P8-350*365*357 | 350 | 365 | 357 | 9.5 | 13 | 3 |
P8-360*375*367 | 360 | 375 | 367 | 9.5 | 13 | 3 |
P8-370*385*377 | 370 | 385 | 377 | 9.5 | 13 | 3 |
P8-380*395*387 | 380 | 395 | 387 | 9.5 | 13 | 3 |
P8-390*405*397 | 390 | 405 | 397 | 9.5 | 13 | 3 |
P8-400*415*407 | 400 | 415 | 407 | 9.5 | 13 | 3 |
P8-410*425*417 | 410 | 425 | 417 | 9.5 | 13 | 3 |
P8-420*435*427 | 420 | 435 | 427 | 9.5 | 13 | 3 |
P8-430*445*437 | 430 | 445 | 437 | 9.5 | 13 | 3 |
P8-440*455*447 | 440 | 455 | 447 | 9.5 | 13 | 3
|