BS EN 60296:2012- Fluids for electrotechnical applications — Unused mineral insulating oils for transformers and switchgear

BS EN 60296:2012- Fluids for electrotechnical applications — Unused mineral insulating oils for transformers and switchgear ...

استاندارد ASTM D5966 در خصوص Evaluation of Engine Oils for Roller Follower Wear in Light-Duty Diesel Engine

    استاندارد ASTM D5966 در خصوص Evaluation of Engine Oils for Roller Follower Wear in Light-Duty Diesel Engine نسخه 2013 19 صفحه   Scope 1.1 This engine lubricant test method is commonly referredto as the Roller Follower Wear Test. Its primary result, rollerfollower shaft wear in the hydraulic valve lifter assembly, hasbeen correlated with vehicles used in stop-and-go deliveryservice prior to 1993. It is one of the test methods required toevaluate lubricants intended to satisfy the API CG-4 performance category. This test has also been referred to as the 6.2 LTest.1.2 The values stated in SI units are to be regarded asstandard. No other units of measurement are included in thisstandard.1.2.1 Exceptions—Where there is no direct SI equivalent,such as pipe fitti ...