久久婷婷五色综合夜啪,国产亚洲精品久久久999,久久精品亚洲热综合一本,中文字幕日韩一区二区三区不卡

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
巩留县| 金阳县| 平原县| 林西县| 宜昌市| 石门县| 乳山市| 临颍县| 汤原县| 花莲市| 铜鼓县| 满城县| 卢湾区| 巴东县| 南投县| 长宁县| 新郑市| 称多县| 安塞县| 马尔康县| 安塞县| 英山县| 阿克陶县| 三明市| 西青区| 台中市| 沂南县| 江口县| 万州区| 三穗县| 聂拉木县| 阿拉尔市| 镇赉县| 宝坻区| 平邑县| 平山县| 武汉市| 汝城县| 沧州市| 屯门区| 兴安县|