Engineering Insights
Technical guides, selection advice and engineering reference articles from the Vostok Technologies team.
Static Pass Box vs Dynamic Pass Box: How to Select the Right Transfer Solution
Pass boxes are a fundamental component of cleanroom material transfer. Selecting the wrong type can compromise contamination control. This guide explains the engineering differences between static and dynamic pass boxes and the factors that should guide your selection.
Air Shower Design: Key Factors That Influence Cleaning Performance
An air shower removes surface particles from personnel and materials before they enter a cleanroom. Its effectiveness depends on several interrelated design factors. This guide explains the key parameters and what project teams should consider before specifying an air shower.
Understanding Laminar Airflow Units for Controlled Work Areas
Laminar airflow units create a controlled work zone by directing HEPA-filtered air in a uniform, unidirectional pattern across the work surface. Understanding the different configurations and their limitations is essential for correct application.
Planning Personnel and Material Movement in a Cleanroom Facility
Effective contamination control in a cleanroom depends not only on the equipment installed but on how personnel and materials move through the facility. Poor movement planning can undermine even a well-designed cleanroom system.
How to Select an Air Handling Unit for an Industrial or Commercial Project
Selecting an air handling unit involves more than matching a catalogue airflow figure to a room size. This guide covers the key technical inputs that determine whether an AHU will perform reliably in service.
Cleanroom AHU vs Comfort AHU: Understanding the Engineering Differences
A cleanroom AHU and a comfort AHU both condition and distribute air, but they are engineered to very different standards. Understanding the differences helps project teams specify the correct equipment and avoid costly substitutions.
Treated Fresh Air Units and Energy Recovery: When Does a Project Need Them?
In hot and humid climates, treating outdoor air before it enters a building can significantly reduce the cooling load on the main air conditioning system. This guide explains how treated fresh air units work and when energy recovery is worth considering.
AHU Maintenance Checklist: Filters, Coils, Fans, Drain Pans and Controls
A well-maintained AHU delivers reliable performance, maintains air quality and avoids unplanned shutdowns. This checklist covers the key inspection and maintenance tasks across daily, monthly, quarterly and seasonal intervals.
PCC Panel vs MCC Panel: Functions, Applications and Selection Considerations
PCC and MCC panels are both low-voltage distribution assemblies, but they serve different functions in an electrical system. Understanding the distinction helps project teams specify the correct panel type and avoid misapplication.
What Information Is Required Before Designing an LT Electrical Panel?
A well-designed LT panel begins with complete and accurate design inputs. Incomplete information at the design stage leads to revisions, delays and panels that do not meet the project requirements. This checklist covers the key inputs required before panel design can begin.
Understanding APFC Panels and Power-Factor Correction
Poor power factor increases the current drawn from the supply, raises distribution losses and can attract utility penalties. An APFC panel automatically corrects power factor by switching capacitor banks in response to the reactive demand of the load.
Understanding IS/IEC 61439 for Low-Voltage Switchgear and Controlgear Assemblies
IS/IEC 61439 is the primary standard for low-voltage switchgear and controlgear assemblies. Understanding its key concepts helps purchasers ask the right questions and helps project teams specify panels that meet their compliance requirements.
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