国产精品日韩欧美亚洲另类,天堂а√在线最新版中文字幕,欧美精品国产精品日韩久久,在线成人一区二区三区

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
股票| 阿拉善左旗| 藁城市| 红原县| 黑龙江省| 合水县| 托克托县| 班玛县| 新巴尔虎右旗| 临沧市| 永州市| 公主岭市| 和平县| 蛟河市| 东港市| 九台市| 盐津县| 门头沟区| 左云县| 菏泽市| 乐东| 新田县| 图们市| 抚远县| 伊通| 沛县| 威海市| 大荔县| 紫金县| 青阳县| 漳浦县| 习水县| 宜兰县| 阿克苏市| 德州市| 新邵县| 舒兰市| 通渭县| 芦溪县| 沐川县| 达拉特旗|