Soft starters and PSD: when each technology is the right choice
Soft starters and PSD are used for smooth starting of electric motors. The choice of technology depends on technical conditions, energy efficiency and cost. Unitex-D…
Technical Articles
In-depth technical articles on industrial MRO, maintenance, and procurement
Regenerative Drives in Industrial Applications: Energy Recovery and Grid Feedback
Regenerative drives are essential for energy recovery and efficiency in industrial applications. The correct selection, installation and maintenance guarantee reliability and longevity. UNITEC-D offers controlled…
Spherical Roller Bearings for Heavy Industry: Design Principles and Good Assembly Practices
Spherical roller bearings are essential for high load and misalignment industrial applications. This article discusses design principles, technical standards, and assembly practices to maximize component…
Shaft Alignment: Laser Procedures and Tolerances for Rotating Equipment
Laser shaft alignment is essential for the efficient operation of rotating equipment. This article provides detailed technical guidance on certified procedures, tolerances, and tools to…
High temperature alloys in industrial applications: Inconel, Hastelloy and their MRO implications
High temperature alloys, including Inconel and Hastelloy, are essential to ensuring equipment reliability in the aerospace and energy sectors. This document explores their properties, standards,…
Motor Protection Relays: Thermal, Electronic Overload and Intelligent Management
Motor protection is crucial to the safety and reliability of machine tools. This article offers a complete guide for the selection, installation and management of…
Optical Encoders: Incremental vs Absolute, Resolution, and Accuracy in Motion Control
Optical encoders are critical to motion control systems, with incremental and absolute types offering distinct advantages. This article provides technical guidance on selection, installation, and…
ATEX: Zones, categories and marking of equipment in explosive environments
ATEX certification ensures equipment safety in explosive environments. United-D GmbH provides components that meet the requirements for industrial installations in Ukraine.
O-ring Material Selection: NBR, FKM, EPDM, FFKM – Chemical Compatibility and Temperature Ranges
This in-depth technical article from UNITEC-D GmbH covers the critical material selection of O-rings (NBR, FKM, EPDM, FFKM) based on chemical compatibility and temperature ranges.…
Selection of Materials for O-Rings: NBR, FKM, EPDM and FFKM – Chemical Compatibility and Temperature Ranges
Proper material selection for o-rings is critical to the reliability and safety of industrial systems. This article analyzes NBR, FKM, EPDM and FFKM, based on…