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AFU 36 — NBC / CBRN Filter for Protective Shelters and Air Filtration Systems
Introduction The AFU 36 NBC / CBRN filter is an advanced filtration component designed for use in air filtration and ventilation systems installed in safe rooms, residential shelters, bunkers, containers and other protected spaces. NBC / CBRN refers to nuclear, biological and chemical threats, with CBRN explicitly covering chemical, biological, radiological and nuclear hazards. The AFU 36 is designed to operate as part of a CBRN filtration system, providing a dedicated filtra
2 days ago5 min read


EBL 300 — High-Pressure Ventilation Blower with Manual Backup for Shelters
Introduction The EBL 300 High-Pressure Ventilation Blower is a radial blower designed for use in CBRN filtration systems and other ventilation and air filtration applications. According to the product description, it generates airflow at high static pressure, allowing air to move through ducts, filters, valves and other ventilation system components. Atmas Group The EBL 300 is designed for applications where airflow must be maintained against the resistance created by filtrat
4 days ago4 min read


BVNC 40 — Overpressure Blast Valve for Protective Shelters
Introduction The BVNC 40 Overpressure Blast Valve is a normally closed valve designed to maintain and control differential pressure levels inside a shelter while protecting the internal space against external blast-wave pressure. According to the product description, the valve operates automatically. When positive pressure inside the shelter reaches a predefined overpressure level, the valve releases air from the protected space. This function supports controlled air release
Oct 184 min read


AFU 1200 NBC / CBRN Filter: Technical Characteristics and Applications
The AFU 1200 is an advanced NBC / CBRN (Chemical, Biological, Radiological and Nuclear) filter designed for use as part of air filtration and ventilation systems installed in safe rooms, civil defence shelters, bunkers, industrial facilities and other protected environments. According to the product information, the AFU 1200 is a standard filter for use in CBRN filtration systems. It can also be integrated into other types of compatible systems or used to replace existing fil
Oct 163 min read


BVNO 1000 Blast Valve: Automatic Blast Protection for Protected Ventilation Systems
Ventilation openings are an important part of protected facilities because they must allow the movement of air while maintaining the required level of protection against external hazards. The BVNO 1000 Blast Valve is a normally open, dual-action automatic valve designed for ventilation systems in protected spaces. According to Shelter Shop, the valve allows air to move in and out of the protected space during normal operation and automatically closes the air opening when expo
Oct 143 min read


EBL 50 High-Pressure Ventilation Blower with Integrated Manual Backup for Civil Defence Shelters: Technical Overview
Modern civil defence shelters require ventilation systems capable of maintaining stable airflow under both normal and emergency operating conditions. The EBL 50 High-Pressure Ventilation Blower with Manual Backup is a radial ventilation blower developed for use in CBRN filtration systems and other air filtration applications where high static pressure is required. According to the manufacturer, the blower is designed to move air efficiently through ducts, filters, blast valve
Oct 52 min read


EBL 36 High-Pressure Ventilation Blower for CBRN Filtration Systems and Shelter Ventilation
Reliable ventilation is one of the most important engineering systems in civil defence shelters, bunkers and protected facilities. The EBL 36 High-Pressure Ventilation Blower is a compact radial blower designed for ventilation and air filtration applications where stable airflow and high static pressure are required. According to the manufacturer, the unit is tested and certified for professional use and is compatible with CBRN filtration and ventilation systems. Atmas Group
Sep 302 min read


BVNO 1000 Blast Valve: Automatic Blast Protection Valve for Civil Defence Shelters and Protected Facilities
Modern civil defence shelters, bunkers, safe rooms and protected infrastructure require ventilation systems that can continue operating while protecting occupants from the effects of blast waves. According to the manufacturer, the BVNO 1000 Blast Valve is a normally open, dual-action automatic blast valve designed to protect ventilation openings by automatically closing when exposed to blast wave pressure while allowing normal airflow during standard operation. Official produ
Sep 283 min read


BVNO 50 Blast Valve with Optional Prefilter: Automatic Blast Protection for Shelter Ventilation Systems
Modern civil defence shelters, safe rooms and protected facilities require ventilation components capable of maintaining normal airflow while automatically protecting the interior during blast events. According to the manufacturer, the BVNO 50 Blast Valve is a normally open, dual-action automatic blast valve designed to close automatically under blast wave pressure while allowing unrestricted airflow during standard operation. The valve is available either as a standard unit
Sep 213 min read


DPG-A Differential Pressure Gauge for Shelters
The DPG-A Differential Pressure Gauge is a mechanical instrument designed to measure and monitor differential pressure in protected shelter environments. According to the product description, the gauge is intended for monitoring the pressure difference between shelter compartments, such as the main shelter chamber and an airlock, as well as between a protected area and the outside environment. DPG-A Differential Pressure Gauge — Shelter Shop Differential pressure monitoring i
Aug 264 min read
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