国产三级不卡在线播放,亚洲欧美自拍有码中文字幕网,无码国产精品午夜福利v,日韩精品人妻一区二区中文

Product Introduction

PDC thrust bearing: Suitable for downhole conditions. The test results show that under the condition of open mud lubrication and cooling, the maximum specific pressure is 32MN/m, the speed is 400rev/min, and the PV value is up to 30MN/mm/s. The PDC thrust

product name:Type 3 PDC thrust bearing
Release time:2018-11-20 16:27:00
Times of browsing:
  •  

  • The specifications:φ124 xφ80 x H26 φ148 xφ91.5 x H26 PDC bearings can withstand immense pressure from an enormous axial load, have enormous resistance, and work under high temperatures of about 233 degrees Celsius.
    The PDC has a smaller coefficient of friction and is not affected by natural and chemical substances in the drilling fluid. Each pair of PDC thrust bearings consists of upper and lower rings. Each of which consists of a carbide ring and a composite sheet.
+86-756-3928226+86-756-3928226
企業(yè)郵箱
高邑县| 西贡区| 中方县| 于田县| 深水埗区| 航空| 裕民县| 临夏市| 山丹县| 蓬溪县| 南川市| 金乡县| 铜鼓县| 龙井市| 克拉玛依市| 石林| 福泉市| 鄄城县| 长丰县| 达尔| 石阡县| 淮北市| 伊通| 永顺县| 阿荣旗| 遂宁市| 平度市| 寿阳县| 华容县| 扎兰屯市| 凤庆县| 松江区| 措美县| 平阳县| 宜章县| 育儿| 郎溪县| 兴义市| 石家庄市| 娄底市| 类乌齐县|