Knowledge Center
Practical guidance on industrial lubricants and technical product selection
This section brings together lubrication consulting, product selection and maintenance-efficiency content that reinforces Rotek's technical credibility.
What to Consider When Choosing a Hydraulic Oil
Viscosity, pump type, operating pressure and oxidation life determine equipment performance in hydraulic systems.
Read MoreWhy Viscosity Matters in Gear Oils
Heavy loads, the speed factor, extreme-pressure (EP) additives and micropitting protection make gear oil selection essential.
Read MoreHow to Choose an Equivalent Industrial Lubricant
Reducing brand dependency, ensuring supply security and correctly reading technical specifications.
Read MoreCritical Points in Compressor Oil Selection
Oil change intervals, oxidation stability and deposit prevention in screw and reciprocating compressors.
Read MoreWhere and How to Apply High-Temperature and Heavy-Duty Greases
Choosing high-performance specialty greases that won't melt in oven chains, fan bearings and heavy-industry rolling-element bearings.
Read MoreHow Oil Contamination Affects Machine Life
The impact of particle, water and air contamination on equipment failure in hydraulic, gear and compressor systems.
Read MoreWhy Factories Need a Lubrication Plan
The importance of applying the right oil, at the right point, at the right time and in the right amount, within planned maintenance.
Read MoreConcentration Monitoring in Metalworking Fluids
Bath management to protect coolant life, tooling costs and operator health in CNC machines.
Read MoreCompliance Criteria for Lubricants Used in Food Production
NSF H1, H2 and 3H approval rules and HACCP requirements for food-facility lubricant selection.
Read MoreWhere Industrial Maintenance Chemicals Are Used
Professional chemical use in factories for degreasing, rust removal, surface cleaning and corrosion protection.
Read MoreWhat Is ISO VG? Choosing the Right Hydraulic Oil Viscosity Class
Choosing the correct ISO VG (Viscosity Grade) for hydraulic oils directly determines system efficiency and equipment life.
Read MoreGear Oil Selection Guide: Viscosity, Additives and Application Conditions
Matching viscosity, EP additives and operating conditions correctly is essential to extending reducer life in enclosed gearboxes.
Read MoreGrease Selection and NLGI Class: How to Determine the Right Grease
For long life in bearings, journal bearings and joints, NLGI consistency class, thickener type and base oil viscosity must be correctly matched.
Read MoreCompressor Oil Selection: The Right Oil for Screw and Reciprocating Compressors
Choosing the right compressor oil based on temperature, viscosity (DIN 51506 VDL) and air-oil separation properties in screw and reciprocating compressors.
Read MoreMetalworking Fluid Guide: Choosing Cutting Oil, Coolant and Emulsion
A guide to choosing between full-synthetic, semi-synthetic emulsion and neat cutting oils depending on the metal being machined in CNC operations.
Read MoreSynthetic or Mineral Oil? Base Oil Selection in Industrial Lubricants
The advantages and use cases of mineral, PAO (polyalphaolefin), PAG (polyalkylene glycol) and ester base oils.
Read MoreOil Change Timing and Used Oil Analysis: When to Change During Maintenance
Parameters showing oil life has ended (TAN, viscosity, wear metals) and the importance of Used Oil Analysis.
Read MoreHow to Determine an Industrial Oil Equivalent: An ISO VG and Specification Matching Guide
When choosing an equivalent for an industrial oil, not just viscosity (ISO VG) but also additive package, base oil type and OEM approvals must be considered.
Read MoreSwitching to an Equivalent Oil: Compatibility, Flushing and Compliance
The flushing procedures and mixing risks that must be managed in a system when switching to a different brand or specification of industrial oil.
Read MoreCompressor Oil Equivalents: Correct Matching via ISO VG and DIN 51506
Steps for correctly matching an equivalent compressor oil for screw and reciprocating compressors, based on DIN 51506 standards and ISO VG viscosity classes.
Read MoreGrease Equivalent Selection: NLGI, Thickener and Base Oil Compatibility
The NLGI class, thickener-type compatibility and base-oil viscosity criteria to consider when switching between different brands of grease.
Read MoreMetalworking Fluid Selection: By Machined Metal and Operation
An analysis of factors such as machined material type, operation severity and water hardness when choosing a coolant and cutting fluid for CNC machines.
Read MoreLubrication in Food Production: H1 Food-Grade Oils and Compliance
NSF H1, H2 and 3H approval rules and food-safety requirements for lubricant selection at food facilities.
Read MoreLubrication in Heavy Industry: Choosing Right for High Load and Temperature
Choosing the correct viscosity and additives against shock loads and high temperatures in heavy-industry reducers and bearings.
Read MoreOpen Gear and Bearing Lubrication in Cement and Mining Facilities
Selecting specialty products for open-gear and bearing lubrication in the demanding mining conditions of rotary kilns, mills and crushers.
Read MoreMobilgear 600 XP 220 Technical Equivalent Guide
Shell and Petrol Ofisi counterparts of the heavy-duty industrial enclosed gear oil Mobilgear 600 XP 220.
Read MoreShell Tellus S2 M 46 (S2 MX 46) Technical Equivalent Guide
Mobil and Petrol Ofisi equivalents of Shell Tellus S2 MX 46 (formerly M 46), used in industrial hydraulic systems.
Read MoreMobilux EP 2 and Mobilgrease XHP 222 Technical Equivalent Guide
Shell Gadus and Petrol Ofisi equivalents of lithium and lithium complex based general-purpose industrial greases.
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