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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
1 day 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
3 days ago4 min read


DU-III — Blast and Gastight Shelter Door (4.4 bar)
Introduction The DU-III Blast & Gastight Door is a protective shelter door designed to withstand blast pressure exceeding 440 kPa (4.4 bar) and provide gas tightness. According to the product information published by Atmas Group, DU-III doors are designed for civil defence shelters and other protected facilities. They are available in single-leaf and double-leaf configurations. Atmas Group The door leaf is constructed from reinforced beams with steel cover panels. The design
5 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
7 days ago4 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


ATM HS-1 Shelter Hatch: Blast and Gastight Protection for S1 Shelters
The ATM HS-1 is a shelter hatch designed for use in protected spaces. According to the product information provided by Shelter Shop, the hatch is designed to meet and, in some parameters, exceed the Finnish norms for S1 shelters. The ATM HS-1 combines blast resistance with gas-tight sealing and is designed with an inward-opening configuration. Its construction and locking system are intended for installation in shelter structures requiring protection against blast-wave pressu
Oct 122 min read


ARC CO2 4800L CO₂ Scrubber for Shelters: Professional Air Regeneration System for Civil Defence and Protected Facilities
Maintaining breathable air quality inside enclosed shelters is one of the most critical aspects of life-support engineering. During prolonged operation in lock-up mode, carbon dioxide (CO₂) generated by human respiration gradually accumulates and must be removed to maintain safe atmospheric conditions. The ARC CO2 4800L is a professional carbon dioxide removal system (scrubber) developed by Atmas Group specifically for civil defence shelters, bunkers and industrial protected
Oct 73 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


ARC CO2 6000L Modular CO₂ Scrubber for Civil Defence Shelters: Air Regeneration Technology for Extended Occupancy
Modern civil defence shelters and protected facilities require reliable air regeneration systems capable of maintaining safe indoor conditions during periods when fresh air cannot be supplied from outside. The ARC CO2 6000L Modular CO₂ Scrubber is designed specifically for this purpose, providing controlled removal of carbon dioxide (CO₂) while supporting safe occupancy in enclosed environments. Product page:https://www.shelter-shop.com/product-page/afu-co2-6000l-ebl-180-ff-w
Oct 22 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
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