What are the viscosity requirements for weight machine lubricants? What are the viscosity requirements for pool pump motor lubricants?

Jan 2, 2011 ... The 'W' ratings are to tell how the oil will perform from a cold start (when the engine is colder). Basically, the higher the first number, the ... Jun 14, 2007 ... Neither number corresponds to an actual 'weight,' even though that is the term most people use when referring to motor oil. The viscosity (flow ... Multigrade engine oils (both gasoline and diesel) are identified by two numbers separated by a W. The first number indicates how the oil performs at startup, or ... ... oil and grease (O&G)]. Solids - A measurement of the concentration of ... My lab reports lists my results in “ppm.” What does that mean? Most ... Jul 18, 2024 ... What do the numbers in oil names mean? The designation usually includes the letters "W" (winter) and numbers, for example, 10w30 or 5w40. Jan 17, 2023 ... AMSOIL synthetic lubricants boast high VI numbers, meaning they're more stable than competing lubricants under extreme temperatures and ... Mar 19, 2025 ... Meanwhile, the number of operable crude oil refineries in the United States dropped more than 50 percent from 301 units in 1982 to 132 units in ... Aug 27, 2010 ... Edmunds explains what the numbers on motor oil mean, and how to select the best one for your car. EDMUNDS VIDEO http://www. Aug 23, 2024 ... The Basics: What's in a Number? · The First Number (e.g., 5W, 10W, 15W)The first number, followed by a “W,” represents the oil's viscosity in ... Aug 18, 2011 ... The numbers are there to show the user what the "viscosity" of the oil is. Viscosity basically means how thick or how flow-y the oil is. If the ...