4WRKE16E1-125L-33/6EG24EK31/A1D3M R 3DREP6C-1X/16A24NZ5M R 3DREP6C-1X/45A24NZ4/M R 3DREP6A-1X/16A24K4M R 3DREP6A-1X/16A24K4M R 3DREP6A-1X/16A24K4V R 3DREP6A-1X/16A24N9K4M R 3DREP6A-1X/16A24N9Z4M R 3DREP6A-1X/16A24NK4M R 3DREP6A-1X/16A24NK4V R 3DREP6A-1X/16A24NZ4M R 3DREP6A-1X/16A24NZ4V R 3DREP6A-1X/16A24Z4M R 3DREP6A-1X/16A24Z4V R 3DREP6A-1X/25A24K4M R 3DREP6A-1X/25A24K4M R 3DREP6A-1X/25A24K4V R 3DREP6A-1X/25A24K4V R 3DREP6A-1X/25A24N9K4M R 3DREP6A-1X/25A24N9K4V R 3DREP6A-1X/25A24N9Z4M R 3DREP6A-1X/25A24N9Z4V R 3DREP6A-1X/25A24NK4M R 3DREP6A-1X/25A24NK4V R 3DREP6A-1X/25A24NZ4M R 3DREP6A-1X/25A24NZ4V R 3DREP6A-1X/25A24Z4M R 3DREP6A-1X/25A24Z4V R 3DREP6A-1X/45A24K4M R 3DREP6A-1X/45A24K4M R 3DREP6A-1X/45A24K4V R 3DREP6A-1X/45A24N9K4M R 3DREP6A-1X/45A24N9Z4M R 3DREP6A-1X/45A24NK4M R 3DREP6A-1X/45A24NK4V R 3DREP6A-1X/45A24NZ4M R 3DREP6A-1X/45A24NZ4V R 3DREP6A-1X/45A24Z4M R 3DREP6A-1X/45A24Z4V R 3DREP6A-2X/16EG24K4/M R 3DREP6A-2X/16EG24N9K4/M R 3DREP6A-2X/16EG24N9K4/V R 3DREP6A-2X/25EG24K4/M R 3DREP6A-2X/25EG24K4/V R 3DREP6A-2X/25EG24N9K4/M R 3DREP6A-2X/25EG24N9K4/V R 3DREP6A-2X/45EG24K4/M R 3DREP6A-2X/45EG24N9K4/M R 3DREP6A-2X/45EG24N9K4/V R 3DREP6A-2X=16EG24K4/M=00 R 3DREP6A-2X=16EG24K4/V=00 R 3DREP6A-2X=16EG24N9K4/M=00 R 3DREP6A-2X=16EG24N9K4/V=00 R 3DREP6A-2X=25EG24K4/M=00 R 3DREP6A-2X=25EG24K4/V=00 R 3DREP6A-2X=25EG24N9K4/M=00 R 3DREP6A-2X=25EG24N9K4/V=00 R 3DREP6A-2X=45EG24K4/M=00 R 3DREP6A-2X=45EG24N9K4/M R 3DREP6A-2X=45EG24N9K4/M=00 R 3DREP6A-2X=45EG24N9K4/V=00 R 3DREP6B-1X/16A24K4M R 3DREP6B-1X/16A24K4V R 3DREP6B-1X/16A24N9K4M R 3DREP6B-1X/16A24N9Z4M R 3DREP6B-1X/16A24NK4M R 3DREP6B-1X/16A24NK4V R 3DREP6B-1X/16A24NZ4M R 3DREP6B-1X/16A24NZ4V R 3DREP6B-1X/16A24Z4M R 3DREP6B-1X/16A24Z4V R 3DREP6B-1X/25A24K4M 4WRKE16E1-125L-33/6EG24EK31/A1D3M O形圈作为往复动密封最适合小直径、短行程、中低压力的应用场合，气动缸、气动滑阀等往复运动元件中。在液压元件中，用O形圈作主要动密封，一般限于短行程和10MPa左右的中低压力。 O形圈不适合用作速度非常低的往复动密封和单独作为高压往复动密封。这主要是因为在这种条件下摩擦较大，会导致密封过早失效。在任何型式应用中，都要根据密封件的额定数据或能力来使用，并且要装配得当，才能得到满意的性能。 3、旋转运动用密封 在旋转运动密封中，通常采用油 力士乐比例阀 武汉 现货 封和机械密封。但是油封的使用压力较低，而且与O形圈相比，显得过大和复杂，工艺性也差。机械密封虽然可用于高压(40MPa)、高速(50m/s)及高温(400℃)，但是结构更加复杂、庞大，而且成本高，只适用于石油、化工等作用的一些重型机械设备上。 O形圈用于旋转运动存在的主要问题是焦耳热效应。焦耳热效应使高速的旋转轴与O形圈的接触处产生磨擦热，生成的热量使这些接触部位的温度不断上升，橡胶材料受热严重变形，压缩量与伸长量发生变化的现象。发热还加速密封材料老化，降低了O形圈的使用寿命;破坏密封油膜，由此引起断油现象，加速密封的磨损。 4WRKE16E1-125L-33/6EG24EK31/A1D3M