Description
The DAS profile is a high-performing, double acting compact piston seal composed of a profiled rubber ring, two polyurethane back-up rings and two L-shaped POM wear/back-up rings.
Design Standard
Design and apply reference Trelleborg company DAS series, Parker company ZW series, AS company KGD series of standards.
Technical data
Temperature | -30°C/+100°C |
Pressure | 50 MPa |
Speed | 0.5 m/s |
Medias | Mineral hydraulic oils |
Applications
machinery
Hydraulic cylinders
bulldozers,
Cranes
Forklifts
Agricultural machinery
Materials
Profiled seal
NBR 80 Shore A
Back-up rings
Polyurethane 97 Shore A
Wear/Back-up rings
Polyoxymethylene (POM)
Advantages
Good sealing effect
Excellent extrusion resistance
Excellent wear resistance
Reliable sealing for significant and sudden pressure variations
Assembly in closed groove, reduced machined cost
Economic wear and sealing solution

Item No. | Dimension |
D1 | d1 | d2 | L1 | L2 | D3 |
DAS-25*15*20.5 | 25 | 15 | 22 | 12.5 | 4 | 23 |
DAS-25*15*29.1 | 25 | 15 | 21.45 | 16.4 | 6.35 | 23.5 |
DAS-25*16*17.7 | 25 | 16 | 22 | 13.5 | 2.1 | 24 |
DAS-28*19*17.7 | 28 | 19 | 25 | 13.5 | 2.1 | 27 |
DAS-30*21*17.7 | 30 | 21 | 27 | 13.5 | 2.1 | 29 |
DAS-32*22*20.7 | 32 | 22 | 28 | 15.5 | 2.6 | 31 |
DAS-32*22*29.1 | 32 | 22 | 28.5 | 16.4 | 6.35 | 30.5 |
DAS-32*24*21.9 | 32 | 24 | 28 | 15.5 | 3.2 | 31 |
DAS-35*25*20.7 | 35 | 25 | 31 | 15.5 | 2.6 | 34 |
DAS-35*25*29.1 | 35 | 25 | 31.4 | 16.4 | 6.35 | 33.5 |
DAS-40*24*31.1 | 40 | 24 | 35.4 | 18.4 | 6.35 | 38.5 |
DAS-40*26*20.7 | 40 | 26 | 36 | 15.5 | 2.6 | 39 |
DAS-40*30*19.3 | 40 | 30 | 35.4 | 11.3 | 4 | 39 |
DAS-40*30*20.5 | 40 | 30 | 37 | 12.5 | 4 | 39 |
DAS-40*30*29.1 | 40 | 30 | 35.4 | 16.4 | 6.35 | 38.5 |
DAS-42*28*20.7 | 42 | 28 | 38 | 15.5 | 2.6 | 41 |
DAS-45*29*31.1 | 45 | 29 | 40.4 | 18.4 | 6.35 | 44 |
DAS-45*31*20.7 | 45 | 31 | 41 | 15.5 | 2.6 | 44 |
DAS-45*35*29.1 | 45 | 35 | 40.4 | 16.4 | 6.35 | 43.5 |
DAS-50*34*31.1 | 50 | 34 | 45.4 | 18.4 | 6.35 | 48.5 |
DAS-50*34*26.7 | 50 | 34 | 46 | 20.5 | 3.1 | 49 |
DAS-50*38*28.9 | 50 | 38 | 46 | 20.5 | 4.2 | 48.5 |
DAS-55*39*31.1 | 55 | 39 | 50.36 | 18.4 | 6.35 | 53.5 |
DAS-55*39*26.7 | 55 | 39 | 51 | 20.5 | 3.1 | 54 |
DAS-56*40*26.7 | 56 | 40 | 52 | 20.5 | 3.1 | 55 |
DAS-60*44*31.1 | 60 | 44 | 55.4 | 18.4 | 6.35 | 58.5 |
DAS-60*44*26.7 | 60 | 44 | 56 | 20.5 | 3.1 | 59 |
DAS-60*48*28.9 | 60 | 48 | 56 | 20.5 | 4.2 | 58.5 |
DAS-63*47*31.1 | 63 | 47 | 58.4 | 18.4 | 6.35 | 61.5 |
DAS-63*47*32.1 | 63 | 47 | 58.4 | 19.4 | 6.35 | 61.5 |
DAS-63*47*26.7 | 63 | 47 | 59 | 20.5 | 3.1 | 62 |
DAS-63*51*28.9 | 65 | 51 | 59 | 20.5 | 4.2 | 61.5 |
DAS-65*49*26.7 | 65 | 49 | 61 | 20.5 | 3.1 | 64 |
DAS-65*50*31.1 | 65 | 50 | 60.4 | 18.4 | 6.35 | 63.5 |
DAS-70*50*35.1 | 70 | 50 | 64.2 | 22.4 | 6.35 | 68.3 |
DAS-70*54*26.7 | 70 | 54 | 66 | 20.5 | 3.1 | 69 |
DAS-70*58*28.9 | 70 | 58 | 66 | 20.5 | 4.2 | 68.5 |
DAS-75*55*35.1 | 75 | 55 | 69.2 | 22.4 | 6.35 | 73.3 |
DAS-75*59*26.7 | 75 | 59 | 71 | 20.5 | 3.1 | 74 |
DAS-80*60*35.1 | 80 | 60 | 74.15 | 22.4 | 6.35 | 78.3 |
DAS-80*62*29.7 | 80 | 62 | 76 | 22.5 | 3.6 | 79 |
DAS-80*66*32.9 | 80 | 66 | 76 | 22.5 | 5.2 | 78.5 |
DAS-85*65*35.1 | 85 | 65 | 79.15 | 22.4 | 6.35 | 83.3 |
DAS-90*70*35.1 | 90 | 70 | 84.15 | 22.4 | 6.35 | 88.3 |
DAS-90*72*29.7 | 90 | 72 | 86 | 22.5 | 3.6 | 89 |
DAS-90*76*32.9 | 90 | 76 | 86 | 22.5 | 5.2 | 88.5 |
DAS-95*75*35.1 | 95 | 75 | 89.15 | 22.4 | 6.35 | 93.3 |
DAS-100*075*35.1 | 100 | 75 | 93.15 | 22.4 | 6.35 | 98 |
DAS-100*080*37.7 | 100 | 80 | 95 | 25 | 6.35 | 98 |
DAS-100*082*29.7 | 100 | 82 | 96 | 22.5 | 3.6 | 99 |
DAS-100*086*32.9 | 100 | 86 | 96 | 22.5 | 5.2 | 98.5 |
DAS-105*080*35.1 | 105 | 80 | 98.1 | 22.4 | 6.35 | 103 |
DAS-110*085*35.1 | 110 | 85 | 103.1 | 22.4 | 6.35 | 108 |
DAS-110*092*29.7 | 110 | 92 | 106 | 22.5 | 3.6 | 109 |
DAS-110*096*32.9 | 110 | 96 | 106 | 22.5 | 5.2 | 109.4 |
DAS-115*090*35.1 | 115 | 90 | 108.1 | 22.4 | 6.35 | 113 |
DAS-115*097*29.7 | 115 | 97 | 111 | 22.5 | 3.6 | 114 |
DAS-120*095*35.1 | 120 | 95 | 113.1 | 22.4 | 6.35 | 118 |
DAS-120*106*32.9 | 120 | 106 | 116 | 22.5 | 5.2 | 118.5 |
DAS-125*100*38.1 | 125 | 100 | 118.1 | 25.4 | 6.35 | 123 |
DAS-125*103*36.7 | 125 | 103 | 121 | 26.5 | 5.1 | 124 |
DAS-125*108*40.9 | 125 | 108 | 121 | 26.5 | 7.2 | 124.4 |
DAS-130*105*44.4 | 130 | 105 | 122.6 | 25.4 | 9.5 | 127.5 |
DAS-130*105*38.1 | 130 | 105 | 123.1 | 25.4 | 6.35 | 128 |
DAS-135*110*44.4 | 135 | 110 | 127.6 | 25.4 | 9.5 | 132.5 |
DAS-135*110*38.1 | 135 | 110 | 128.1 | 25.4 | 6.35 | 133 |
DAS-140*115*44.4 | 140 | 115 | 132.6 | 25.4 | 9.5 | 137.5 |
DAS-140*115*38.1 | 140 | 115 | 133 | 25.4 | 6.35 | 138 |
DAS-140*118*36.7 | 140 | 118 | 136 | 26.5 | 5.1 | 139 |
DAS-140*123*40.9 | 140 | 123 | 136 | 26.5 | 7.2 | 138.5 |
DAS-145*120*44.4 | 145 | 120 | 137.6 | 25.4 | 9.5 | 142.5 |
DAS-145*120*38.1 | 145 | 120 | 138.3 | 25.4 | 6.35 | 142.95 |
DAS-150*125*44.4 | 150 | 125 | 142.6 | 25.4 | 9.5 | 147.5 |
DAS-150*125*38.1 | 150 | 125 | 143 | 25.4 | 6.35 | 148 |
DAS-150*128*36.7 | 150 | 128 | 146 | 26.5 | 5.1 | 149 |
DAS-150*133*40.9 | 150 | 133 | 146 | 26.5 | 7.2 | 149.5 |
DAS-155*130*44.4 | 155 | 130 | 147.6 | 25.4 | 9.5 | 152.5 |
DAS-160*130*38.1 | 160 | 130 | 153 | 25.4 | 6.35 | 157.5 |
DAS-160*135*44.4 | 160 | 135 | 152.6 | 25.4 | 9.5 | 157.5 |
DAS-160*138*36.7 | 160 | 138 | 156 | 26.5 | 5.1 | 159 |
DAS-160*143*40.9 | 160 | 143 | 156 | 26.5 | 7.2 | 159.4 |
DAS-165*140*44.4 | 165 | 140 | 157.6 | 25.4 | 9.5 | 162.5 |
DAS-170*145*50.8 | 170 | 145 | 161.7 | 25.4 | 12.7 | 167.1 |
DAS-175*150*50.8 | 175 | 150 | 166.7 | 25.4 | 12.7 | 172.1 |
DAS-180*150*48.1 | 180 | 150 | 172.95 | 35.4 | 6.35 | 177.87 |
DAS-180*155*50.8 | 180 | 155 | 171.7 | 25.4 | 12.7 | 177.1 |
DAS-185*160*50.8 | 185 | 160 | 176.7 | 25.4 | 12.7 | 182.1 |
DAS-190*165*50.8 | 190 | 165 | 181.7 | 25.4 | 12.7 | 187 |
DAS-195*170*50.8 | 195 | 170 | 186.7 | 25.4 | 12.7 | 192 |
DAS-200*170*48.1 | 200 | 170 | 193 | 35.4 | 6.35 | 198 |
DAS-200*175*44.7 | 200 | 175 | 196 | 31.5 | 6.6 | 199 |
DAS-200*175*50.8 | 200 | 175 | 191.6 | 25.4 | 12.7 | 197 |
DAS-210*185*50.8 | 210 | 185 | 201.6 | 25.4 | 12.7 | 207 |
DAS-220*190*48.1 | 220 | 190 | 212.7 | 35.4 | 6.35 | 217 |
DAS-220*195*50.8 | 220 | 195 | 211.6 | 25.4 | 12.7 | 217.9 |
DAS-230*205*50.8 | 230 | 205 | 221.6 | 25.4 | 12.7 | 227 |
DAS-240*215*50.8 | 240 | 215 | 231.6 | 25.4 | 12.7 | 237 |
DAS-250*220*48.1 | 250 | 220 | 242.9 | 35.4 | 6.35 | 247.85 |
DAS-250*225*50.8 | 250 | 225 | 241.6 | 25.4 | 12.7 | 247 |
DAS-260*235*60.5 | 260 | 235 | 252.9 | 35.1 | 12.7 | 257 |
DAS-275*250*48.3 | 275 | 250 | 271 | 35.1 | 6.6 | 274 |
DAS-280*250*54.44 | 280 | 250 | 272.9 | 35.4 | 9.52 | 277 |
DAS-280*250*56.3 | 280 | 250 | 273 | 36.3 | 10 | 278 |
DAS-280*255*50.8 | 280 | 255 | 271.6 | 25.4 | 12.7 | 277 |
DAS-300*275*44.7 | 300 | 275 | 296 | 31.5 | 6.6 | 299 |
DAS-320*290*54.44 | 320 | 290 | 312.4 | 35.4 | 9.52 | 317 |
DAS-320*290*61.4 | 320 | 290 | 312 | 36 | 12.7 | 317 |
DAS-320*295*50.8 | 320 | 295 | 311.6 | 25.4 | 12.7 | 317 |
DAS-360*335*50.8 | 360 | 335 | 351.6 | 25.4 | 12.7 | 357 |
DAS-400*375*50.8 | 400 | 375 | 391.6 | 25.4 | 12.7 | 397 |