欧美精品夜夜爽_狠狠操狠狠色欧美精品婷婷丁香激情综合,日韩WWW.婷婷色欧美精品五月婷婷六月丁香,国产五月色婷婷六月丁香视频,国产精品狠狠干在线观看,中文狠狠干狠狠做,国产精品天天擼一擼,夜夜橾天天橾,国产精品天天色天天干天天色,中文精品丁香五月亚洲中文字幕,天天干天天爽-嘉善环亚滑动轴承厂


Home/
Product Center


SF-1T Gear Pump Bushing

Product description:

SF-1T is composed of a specially designed surface layer of PTFE formulations and is specifically applied for the high PV bushes of gear oil pumps. It is to be used in hydrodynamic or boundary lubricating condition of medium or high pressure gear oil pumps such as P=16-25 Mpa, V=3.5- 5m/s. it shows the benefits of low friction coefficient, wear resistant and anti-impact properties. At hydrodynamic lubrication, the PV limit reaches to 120N/mm2.m/s.It is a best choice for the bushes of various kinds of gear pumps as well as plunger pumps, vane pumps and so on.



欧美精品夜夜爽 狠狠操狠狠色欧美精品婷婷丁香激情综合 日韩WWW 婷婷色欧美精品五月婷婷六月丁香 国产五月色婷婷六月丁香视频 国产精品狠狠干在线观看 中文狠狠干狠狠做 国产精品天天擼一擼 夜夜橾天天橾 国产精品天天色天天干天天色 中文精品丁香五月亚洲中文字幕 天天干天天爽 嘉善环亚滑动轴承厂
欧美精品夜夜爽_狠狠操狠狠色欧美精品婷婷丁香激情综合,日韩WWW.婷婷色欧美精品五月婷婷六月丁香,国产五月色婷婷六月丁香视频,国产精品狠狠干在线观看,中文狠狠干狠狠做,国产精品天天擼一擼,夜夜橾天天橾,国产精品天天色天天干天天色,中文精品丁香五月亚洲中文字幕,天天干天天爽-嘉善环亚滑动轴承厂