... .thread:BSPt,NPT or others 3.content volumn:100ml valve type grease cupLubricating oil Oil is the main lubricant, lubricant performance ... to grease, grease with mineral oil, a variety of thickening agent (such as calcium, sodium, lithium, aluminum and other metal soap ... oil, grease lubrication only an intermittent supply. stainless steel valve type grease cup