UNP 型密封（图 1）为单作用 U 形密封，采用热塑性聚氨酯 (TPU) 制成。这种密封适用于达到 350 bar (5 075 psi) 的压力，并提供公制尺寸和英制尺寸产品。获取更多信息，请参阅以下 UNP 型应用工况参数。
在更高压力的情况下，SKF 可应要求提供整体抗挤出挡圈。
单动式聚氨酯活塞 U 型杯密封
UNP 密封件为由热塑性聚氨酯制成的单动式 U 型杯密封。 如果两个密封采用背对背布置，则能够用于双动式油缸内。
- 单动式密封
- 适合中低载荷应用
- 可提供公制尺寸
- 如果无库存，可由 SKF SEAL JET 加工系统制造替代品
- 两个背对背密封可用作双动油缸
| 制造商型号 | 圆柱孔径 D[mm] | 活塞槽直径 d[mm] | 轴承座宽度 L[mm] | 最大运行压力 max.[bar] | 最大运行温度 T6max.[°C] | 在线购买 |
|---|---|---|---|---|---|---|
| UNP187-750-312-H9J | 28.58 | 19.05 | 8.72 | 350 | 130 | |
| UNP125-1250-250-H9J | 38.1 | 31.75 | 6.99 | 350 | 130 | |
| UNP187-1125-250-H9J | 38.1 | 28.58 | 6.99 | 350 | 130 | |
| UNP-40X30X7-E6W | 40 | 30 | 7 | 350 | 130 | |
| UNP187-1375-250-H9J | 44.45 | 34.93 | 6.99 | 350 | 130 | |
| UNP-45X35X7-E6W | 45 | 35 | 7 | 350 | 130 | |
| UNP-50X40X7-E6W | 50 | 40 | 7 | 350 | 130 | 点击购买 |
| UNP-50X40X8.3-E6W | 50 | 40 | 8.3 | 350 | 130 | |
| UNP187-1625-187-H9J | 50.8 | 41.28 | 5.22 | 350 | 130 | |
| UNP187-1625-312-H9J | 50.8 | 41.28 | 8.72 | 350 | 130 | |
| UNP-55X45X7-E6W | 55 | 45 | 7 | 350 | 130 | |
| UNP187-1875-312-H9J | 57.15 | 47.63 | 8.72 | 350 | 130 | |
| UNP-60X50X7-E6W | 60 | 50 | 7 | 350 | 130 | |
| UNP-63X48X11-E6W | 63 | 48 | 11 | 350 | 130 | |
| UNP-63X53X7-E6W | 63 | 53 | 7 | 350 | 130 | |
| UNP-63X53X8.3-E6W | 63 | 53 | 8.3 | 350 | 130 | |
| UNP187-2125-250-H9J | 63.5 | 53.98 | 6.99 | 350 | 130 | |
| UNP187-2125-375-H9J | 63.5 | 53.98 | 10.48 | 350 | 130 | |
| UNP250-2000-375-H9J | 63.5 | 50.8 | 10.48 | 350 | 130 | |
| UNP-65X55X7-E6W | 65 | 55 | 7 | 350 | 130 | |
| UNP187-2250-312-H9J | 66.68 | 57.15 | 8.72 | 350 | 130 | |
| UNP250-2250-375-H9J | 69.85 | 57.15 | 10.48 | 350 | 130 | |
| UNP-70X60X7-E6W | 70 | 60 | 7 | 350 | 130 | |
| UNP-75X65X7-E6W | 75 | 65 | 7 | 350 | 130 | |
| UNP187-2625-375-H9J | 76.2 | 66.68 | 10.48 | 350 | 130 | |
| UNP250-2500-312-H9J | 76.2 | 63.5 | 8.72 | 350 | 130 | |
| UNP250-2500-375-H9J | 76.2 | 63.5 | 10.48 | 350 | 130 | |
| UNP500-2000-500-H9J | 76.2 | 50.8 | 13.97 | 350 | 130 | |
| UNP-80X60X11-E6W | 80 | 60 | 11 | 350 | 130 | |
| UNP-80X70X7-E6W | 80 | 70 | 7 | 350 | 130 | |
| UNP187-2875-250-H9J | 82.55 | 73.03 | 6.99 | 350 | 130 | |
| UNP187-2875-375-H9J | 82.55 | 73.03 | 10.48 | 350 | 130 | |
| UNP500-2250-500-H9J | 82.55 | 57.15 | 13.97 | 350 | 130 | |
| UNP-85X75X7-E6W | 85 | 75 | 7 | 350 | 130 | |
| UNP250-3000-375-H9J | 88.9 | 76.2 | 10.48 | 350 | 130 | |
| UNP375-2750-625-H9J | 88.9 | 69.85 | 17.46 | 350 | 130 | |
| UNP-90X70X13-E6W | 90 | 70 | 13.2 | 350 | 130 | |
| UNP-100X80X13-E6W | 100 | 80 | 13.2 | 350 | 130 | |
| UNP-100X85X10-E6W | 100 | 85 | 10 | 350 | 130 | |
| UNP250-3500-375-H9J | 101.6 | 88.9 | 10.48 | 350 | 130 | |
| UNP500-3000-500-H9J | 101.6 | 76.2 | 13.97 | 350 | 130 | |
| UNP-110X90X13-E6W | 110 | 90 | 13.2 | 350 | 130 | |
| UNP375-3750-625-H9J | 114.3 | 95.25 | 17.46 | 350 | 130 | |
| UNP-120X100X13-E6W | 120 | 100 | 13.2 | 350 | 130 | |
| UNP250-4500-375-H9J | 127 | 114.3 | 10.48 | 350 | 130 | |
| UNP375-4250-500-H9J | 127 | 107.95 | 13.97 | 350 | 130 | |
| UNP-130X115X10-E6W | 130 | 115 | 10 | 350 | 130 | |
| UNP375-4750-625-H9J | 139.7 | 120.65 | 17.46 | 350 | 130 | |
| UNP-140X120X16.5-E6W | 140 | 120 | 16.5 | 350 | 130 | |
| UNP-140X125X10-E6W | 140 | 125 | 10 | 350 | 130 | |
| UNP-145X130X10-E6W | 145 | 130 | 10 | 350 | 130 | |
| UNP-150X130X17-E6W | 150 | 130 | 17 | 350 | 130 | |
| UNP-150X135X10-E6W | 150 | 135 | 10 | 350 | 130 | |
| UNP375-5250-375-H9J | 152.4 | 133.35 | 10.48 | 350 | 130 | |
| UNP375-5500-625-H9J | 158.75 | 139.7 | 17.46 | 350 | 130 | |
| UNP-160X140X15.5-E6W | 160 | 140 | 15.5 | 350 | 130 | |
| UNP-160X140X16.5-E6W | 160 | 140 | 16.5 | 350 | 130 | |
| UNP-160X145X10-E6W | 160 | 145 | 10 | 350 | 130 | |
| UNP375-5750-625-H9J | 165.1 | 146.05 | 17.46 | 350 | 130 | |
| UNP-170X150X13-E6W | 170 | 150 | 13.2 | 350 | 130 | |
| UNP-170X155X10-E6W | 170 | 155 | 10 | 350 | 130 | |
| UNP-180X150X19.5-E6W | 180 | 150 | 19.5 | 350 | 130 | |
| UNP-180X165X10-E6W | 180 | 165 | 10 | 350 | 130 | |
| UNP-190X175X10-E6W | 190 | 175 | 10 | 350 | 130 | |
| UNP-200X175X19.7-E6W | 200 | 175 | 19.7 | 350 | 130 | |
| UNP375-7250-375-H9J | 203.2 | 184.15 | 10.48 | 350 | 130 | |
| UNP-210X190X13-E6W | 210 | 190 | 13.2 | 350 | 130 | |
| UNP-220X200X16.5-E6W | 220 | 200 | 16.5 | 350 | 130 | |
| UNP-230X205X22-E6W | 230 | 205 | 22 | 350 | 130 | |
| UNP-240X220X13-E6W | 240 | 220 | 13.2 | 350 | 130 | |
| UNP-250X230X16.5-E6W | 250 | 230 | 16.5 | 350 | 130 | |
| UNP-280X255X20.5-E6W | 280 | 255 | 20.5 | 350 | 130 | |
| UNP-290X265X20.5-E6W | 290 | 265 | 20.5 | 350 | 130 | |
| UNP-300X275X17.5-E6W | 300 | 275 | 17.5 | 350 | 130 |
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