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SPGW is piston t seal for reciprocated hydraulic systems. Possesing excellent performance if applied at heavy load and double sealing under high pressure working conditions. SPGW Piston Seal fit for high temperature,almost fluid medium and long stroke . Applicable for bigger piston gap. Simple groove structure..
SPGW 是用于往复运动液压系统的活塞密封件。在重负荷和高压工作条件下具有优异的双重密封性能。SPGW 活塞密封件适用于高温、几乎是流体介质和长行程，适用于较大的活塞间隙，沟槽结构简单...
标准材料
密封环:填充聚四氟乙烯F-PTFE
弹性性：丁腈橡胶NBR
档圈: 改性聚甲醛POM或改性尼龙PA
特点
•良好的动静密封性能
•可允许较大的挤出间隙，视应用场合而定，故可降低加工费用
•由于较大的挤出间隙，在有污物的介质中也可安全使用
•摩擦小，无爬行现象
•沟槽简单，可用于整体式活塞
•若有特殊要求（压力、温度、速度、特殊介质等）
，请与本公司的咨询服务部联系，以便向您推荐合适的材料。
应用范围
液压系统、往复运动，在高压和低压及高频工况下的重载双向活塞密封场合非常出色。适用在长及短行程的情况，并在范围较大的流体和高温场合
，可适合较大的活塞间隙。主要应用于重载或工程机械的油缸活塞密封,具有良好的泄漏控制、抗挤出性和耐损性能，如:挖掘机、重型液压缸等。
| 沟槽外径 | 沟槽底径 | 沟槽宽度 | 密封件宽度 | 径向间隙最大值e | |
| D (H9) | d(h9) | H+0.2 | h | 32Mpa | 50Mpa |
| 50-60 | D-14 | 9 | 8.5 | 0.54 | 0.39 |
| 63-95 | D-15 | 11 | 10.5 | 0.8 | 0.42 |
| 100-120 | D-15 | 12.5 | 12 | 0.8 | 0.42 |
| 125-240 | D-23 | 16 | 15.5 | 0.79 | 0.44 |
| ≥250 | D-28 | 17.5 | 17 | 0.83 | 0.47 |
| 名称 | 密封件公称尺寸 | H | ||
| D | d | h | ||
| SPGW-50 | 50 | 36 | 8.5 | 9.0 |
| SPGW-55 | 55 | 41 | 8.5 | 9.0 |
| SPGW-60 | 60 | 46 | 8.5 | 9.0 |
| SPGW-63 | 63 | 48 | 10.5 | 11.0 |
| SPGW-65 | 65 | 50 | 10.5 | 11.0 |
| SPGW-70 | 70 | 55 | 10.5 | 11.0 |
| SPGW-75 | 75 | 60 | 10.5 | 11.0 |
| SPGW-80 | 80 | 65 | 10.5 | 11.0 |
| SPGW-85 | 85 | 70 | 10.5 | 11.0 |
| SPGW-90 | 90 | 75 | 10.5 | 11.0 |
| SPGW-95 | 95 | 80 | 10.5 | 11.0 |
| SPGW-100 | 100 | 85 | 12.0 | 12.5 |
| SPGW-105 | 105 | 90 | 12.0 | 12.5 |
| SPGW-110 | 110 | 95 | 12.0 | 12.5 |
| SPGW-115 | 115 | 100 | 12.0 | 12.5 |
| SPGW-120 | 120 | 105 | 12.0 | 12.5 |
| SPGW-125 | 125 | 102 | 15.5 | 16.0 |
| SPGW-130 | 130 | 107 | 15.5 | 16.0 |
| SPGW-135 | 135 | 112 | 15.5 | 16.0 |
| SPGW-140 | 140 | 117 | 15.5 | 16.0 |
| SPGW-145 | 145 | 122 | 15.5 | 16.0 |
| SPGW-150 | 150 | 127 | 15.5 | 16.0 |
| SPGW-155 | 155 | 132 | 15.5 | 16.0 |
| SPGW-160 | 160 | 137 | 15.5 | 16.0 |
| SPGW-165 | 165 | 142 | 15.5 | 16.0 |
| SPGW-170 | 170 | 147 | 15.5 | 16.0 |
| SPGW-175 | 175 | 152 | 15.5 | 16.0 |
| SPGW-180 | 180 | 157 | 15.5 | 16.0 |
| SPGW-185 | 185 | 162 | 15.5 | 16.0 |
| 名称 | 密封件公称尺寸 | H | ||
| D | d | h | ||
| SPGW-190 | 190 | 167 | 15.5 | 16.0 |
| SPGW-195 | 195 | 172 | 15.5 | 16.0 |
| SPGW-200 | 200 | 177 | 15.5 | 16.0 |
| SPGW-205 | 205 | 182 | 15.5 | 16.0 |
| SPGW-210 | 210 | 187 | 15.5 | 16.0 |
| SPGW-215 | 215 | 192 | 15.5 | 16.0 |
| SPGW-220 | 220 | 197 | 15.5 | 16.0 |
| SPGW-225 | 225 | 202 | 15.5 | 16.0 |
| SPGW-230 | 230 | 207 | 15.5 | 16.0 |
| SPGW-240 | 240 | 217 | 15.5 | 16.0 |
| SPGW-250 | 250 | 222 | 17.0 | 17.5 |
| SPGW-260 | 260 | 232 | 17.0 | 17.5 |
| SPGW-270 | 270 | 242 | 17.0 | 17.5 |
| SPGW-280 | 280 | 252 | 17.0 | 17.5 |
| SPGW-290 | 290 | 262 | 17.0 | 17.5 |
| SPGW-300 | 300 | 272 | 17.0 | 17.5 |
| SPGW-310 | 310 | 282 | 17.0 | 17.5 |
| SPGW-320 | 320 | 292 | 17.0 | 17.5 |
| 以下英寸尺寸（in) | ||||
| SPGW | 3.00 | 2.52 | 0.559 | 0.579 |
| SPGW | 3.25 | 2.77 | 0.559 | 0.579 |
| SPGW | 3.50 | 3.02 | 0.559 | 0.579 |
| SPGW | 4.00 | 3.52 | 0.559 | 0.579 |
| SPGW | 4.25 | 3.77 | 0.559 | 0.579 |
| SPGW | 4.50 | 4.02 | 0.559 | 0.579 |
| SPGW | 4.75 | 4.27 | 0.559 | 0.579 |
| SPGW | 5.00 | 4.52 | 0.559 | 0.579 |
| SPGW | 5.25 | 4.77 | 0.559 | 0.579 |
| SPGW | 5.50 | 5.02 | 0.559 | 0.579 |
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