KDAS组合密封圈【说明】:
KDAS组合密封圈是一种双向作用活塞密封圈,此组合密封圈是由一个弹性橡胶圈、两个附加挡圈和两个耐磨环所组成。
本设计提供了一个紧凑的密封与导向相结合的方案,并适合安装在封闭沟槽内的组合密封圈。
组合密封圈包括一个弹性齿状密封圈、两个挡圈和两个耐磨环。在中间有一个真正起密封作用的密封元件;
而在每一边各放置一个挡圈和一个耐磨环。挡圈防止密封圈被挤出到间隙中去;中间的密封圈是齿状密封圈,
在静止和运动时都能起良好密封作用。耐磨环的作用是在缸体内对活塞导向,并且承受径向力。
KDAS组合油封材料:
1、齿状密封圈:丁腈橡胶(NBR);
2、挡圈:含有添加剂的绿蓝色聚氨酯弹性体;
3、耐磨环:玻璃纤维增强热塑性聚合物。
KDAS组合油封的优点:1、封闭的沟槽和整体式活塞;
2、活塞总长度较短;
3、密封圈和耐磨环共用一个沟槽;
4、活塞生产成本低;
5、密封圈和耐磨环价廉;
6、对间隙的抗挤出能力极强;
7、弹性密封圈不会扭曲和翻转;
8、良好的防泄漏性能;
9、开斜切口的挡圈和耐磨环易于装配。
KDAS组合油封应用范围:
KDAS组合密封圈经常在作往复运动的液压缸和活塞中用作密封元件,例如:轻型推土机、注塑机、吹瓶机、起重机、叉车、液压闸门及农业机械等。
KDAS组合油封技术数据
1、压力:≤25MPa;
2、速度:最大往复速度0.5m/s;
3、温度:-30℃~+110℃;
4、介质:适用于石油基液压油、难燃液压液、环保安全液压液(生物油)、水和其 它,决定于密封圈材质。
KDAS组合油封表面光洁度要求
1、接触表面:Ra≤0.3um;
2、沟槽底面:Ra≤1.8um;
3、沟槽侧面:Ra≤2.0
KDAS组合油封作用机理:
三个密封唇都位于外径上。两个外端密封唇作为附加性密封,中间密封唇是较宽的,并且是主密封唇。
在密封圈的内径处(静密封)与沟槽底径的接触面是比较宽的。在每边安放一个挡圈对弹性体进行支承并防止其挤出。
这种有台阶的挡圈可防止密封件在运行时产生旋转。
KDAS组合油封型号尺寸 规格表E0.2
F00.05
G?0.2H?0.1
KDAS020-01120.0011.0013.5017.0019.002.10
KDAS022-01322.0013.0013.5019.0021.002.10
KDAS025-01525.0015.0016.4021.4523.506.35
KDAS025-015/125.0015.0012.0021.0023.004.00
KDAS025-015/225.0015.0012.5022.0024.004.00
KDAS025-01625.0016.0013.5022.0024.002.10
KDAS028-01928.0019.0013.5025.0027.002.10
KDAS030-02130.0021.0013.5027.0029.002.10
KDAS032-02232.0022.0016.4028.5030.506.35
KDAS032-022/132.0022.0015.5028.0031.002.60
KDAS032-02432.0024.0015.5028.0031.403.20
KDAS035-02535.0025.0016.4031.4033.506.35
KDAS035-025/135.0025.0015.5031.0034.002.60
KDAS040-02440.0024.0018.4035.4038.506.35
KDAS040-02640.0026.0015.5036.0039.002.60
KDAS040-03040.0030.0016.4035.4038.506.35
KDAS040-030/140.0030.0012.5036.0038.004.00
KDAS040-030/240.0030.0012.5037.0039.004.00
KDAS040-03240.0032.0015.5036.0039.403.20
KDAS042-02842.0028.0015.5038.0041.002.60
KDAS045-02945.0029.0018.4040.4043.706.35
KDAS045-03145.0031.0015.5041.0044.002.60
KDAS045-03545.0035.0016.4040.4043.506.35
KDAS050-03450.0034.0018.4045.4048.506.35
KDAS050-034/150.0034.0020.5046.0049.003.10
KDAS050-03850.0038.0020.5046.0049.404.20
KDAS055-03955.0039.0018.4050.3653.506.35
KDAS055-039/155.0039.0020.5051.0054.003.10
KDAS056-04056.0040.0020.5052.0055.003.10
KDAS060-04460.0044.0018.4055.4058.506.35
KDAS060--044/160.0044.0020.5056.0059.003.10
KDAS060--04860.0048.0020.5056.0059.404.20
KDAS063-04763.0047.0018.4058.4061.506.35
KDAS063-047/163.0047.0020.5059.0062.003.10
KDAS063-047/263.0047.0019.4058.4061.506.35
KDAS063-05163.0051.0020.5059.0062.404.20
KDAS065-04965.0049.0020.5061.0064.003.10
KDAS065-05065.0050.0018.4060.4063.506.35
KDAS070-05070.0050.0022.4064.2068.306.35
KDAS070-05470.0054.0020.5066.0069.003.10
KDAS070-05870.0058.0020.5066.0069.404.20
KDAS075-05575.0055.0022.4069.2073.306.35
KDAS075-05975.0059.0020.5071.0074.003.10
KDAS080-06080.0060.0022.4074.1578.306.35
KDAS080-06280.0062.0022.5076.0079.003.60
KDAS080--06680.0066.0022.5076.0079.405.20
KDAS085-06585.0065.0022.4079.1583.306.35
KDAS090-07090.0070.0022.4084.1588.306.35
KDAS090-07290.0072.0022.5086.0089.003.60
KDAS090-07690.0076.0022.5086.0089.405.20
KDAS095-07595.0075.0022.4089.1593.306.35
KDAS100-075100.0075.0022.4093.1598.006.35
KDAS100-082100.0082.0022.5096.0099.003.60
KDAS100-086100.0086.0022.5096.0099.405.20
KDAS105-080105.0080.0022.4098.10103.006.35
KDAS110-085110.0085.0022.40103.10108.006.35
KDAS110-092110.0092.0022.50106.00109.003.60
KDAS110-096110.0096.0022.50106.00109.405.20
KDAS115-090115.0090.0022.40108.10113.006.35
KDAS115-097115.0097.0022.50111.00114.003.60
KDAS120-095120.0095.0022.40113.00118.106.35
KDAS120-106120.00106.0022.50116.00119.405.20
KDAS125-100125.00100.0025.40118.10123.006.35
KDAS125-103125.00103.0026.50121.00124.005.10
KDAS125-108125.00108.0026.50121.00124.407.20
KDAS130-105130.00105.0025.40122.60127.509.50
KDAS130-105/1130.00105.0025.40123.10128.006.35
KDAS130-113130.00113.0026.50126.00129.407.20
KDAS135-110135.00110.0025.40127.60132.509.50
KDAS135-110/1135.00110.0025.40128.10133.006.35
KDAS140-115140.00115.0025.40132.60137.509.50
KDAS140-115/1140.00115.0025.40133.00138.006.35
KDAS140-118140.00118.0026.50136.00139.005.10
KDAS140-123140.00123.0026.50136.00139.407.20
KDAS145-120145.00120.0025.40137.60142.509.50
KDAS145-120/1145.00120.0025.40138.30142.956.35
KDAS150-125150.00125.0025.40142.60147.509.50
KDAS150-125/1150.00125.0025.40143.00148.006.35
KDAS150-128150.00128.0026.50146.00149.005.10
KDAS150-133150.00133.0026.50146.00149.407.20
KDAS155-130155.00130.0025.40147.60152.509.50
KDAS155-130/1155.00130.0025.40148.00153.006.35
KDAS160-130160.00130.0025.40153.00157.006.35
KDAS160-130/1160.00130.0025.40152.60157.509.50
KDAS160-135160.00135.0025.40152.60157.509.50
KDAS160-138160.00138.0026.50158.00159.005.10
KDAS160-143160.00143.0026.50156.00159.407.20
KDAS165-140165.00140.0025.40157.60162.509.50
KDAS170-145170.00145.0025.40161.70167.1012.70
KDAS170-148170.00148.0026.50166.00169.005.10
KDAS175-150175.00150.0025.40166.70172.1012.70
KDAS180-150180.00150.0035.40172.95177.876.35
KDAS180-155180.00155.0025.40171.70177.1012.70
KDAS185-160185.00160.0025.40176.70182.1012.70
KDAS190-165190.00165.0025.40181.70187.0012.70
KDAS195-170195.00170.0025.40186.70192.0012.70
KDAS200-175200.00175.0025.40191.60197.0012.70
KDAS210-185210.00185.0025.40201.60207.0012.70
KDAS220-190220.00190.0035.40212.70217.906.35
KDAS220-195220.00195.0025.40211.60217.0012.70
KDAS230-205230.00205.0025.40221.60227.0012.70
KDAS240-215240.00215.0025.40231.00237.0012.70
KDAS250-220250.00220.0035.40242.90247.856.35
KDAS250-225250.00225.0025.40241.60247.0012.70
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