PRV pressure difference control valves
PRV valves regulate the persistent pressure difference between connected spaces (e.g. air locks, shielding sections). They ensure balanced air flow and maintain the prescribed excess pressure level.
Main characteristics:
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Professional solution for air locks and protected spaces.
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Compact design – easy to integrate into existing ventilation systems.
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Corrosion resistant materials provide a long life span.
Areas of use:
Perfect for civil defence shelters, military facilities, emergency facilities, pharmaceutical laboratories, and critical infrastructure
Packaging and colour |
BVNO 1000 8L ,BVNO 1800 8L ,BVNO 2600 8L ,BVNO 2900 14L ,BVNO 50 4L ,BVNO 550 8L ,BVNO 600 8L |
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Receipt from Output point
The receipt of goods from the store is free of charge. We are expected to complete the order within 1-5 days, except for products on order.
The delivery of goods shall be made to the Contracting Authority or to a person authorised by the Contracting Authority. Additional information on the phone +37258212121 or shop@flameguard.ee.
Delivery of parcel trucks
The ability and charge to send a parcel machine depends on the conditions of the parcel machine service provider.
If the purchased product cannot be transported through the parcel machine network, Flameguard may change the service provider and in this case the transport price may also change.
Delivery by courier
The ability and reward to send by courier depends on the terms and conditions of the service provider. In general, we work with all express delivery companies and, if the purchased product cannot be transported through a specific express delivery service, Flameguard may change the express delivery service provider and in this case the transport price may also change.
Time-critical or time-sensitive transport
The possibility of time-critical or time-sensitive transportation depends on the location of the delivery and the exact terms and conditions of the service must be agreed in advance.
You can check the availability of the service on your phone +37258212121 or shop@flameguard.ee
Select delivery mode to subscribe to the service - Receipt from the dispatch point - Suur-Mämäe 31, Tallinn 11415
In addition, the cell in the contacts field must be filled in obligatorily Notes about order, to which the following must be added:
- Reference of the mode of delivery agreed with the flameguard;
- date and time of delivery;
- name and mobile phone number of the person receiving the goods.
OKAY! Without further information, the transport order will not be activated and the order will be stored at the delivery point of Suur-Mõjamäe 31, Tallinn
Seotud tooted
Folding beds, benches, seats and chairs
Versatile and space-saving furniture suitable for fitting out temporary and permanent shelters. Made of recycled plastic and metal structures.
Main characteristics:
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Collapsible and stackable - easy to store
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Durable weatherproof and wear resistant material
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Different options for sleeping, sitting and multifunctional use
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Suitable for shelters, crisis camps and evacuation centres
Shelter sliding door
Sliding doors and gates is designed for use in rooms where: space economy and security are equally important. They move seamlessly along a resilient human mechanism and provide strong protection against external threats.
Main characteristics:
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Space-saving design and quiet, smooth movement
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Integrated strong locking mechanism in door frame
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In explosion and ballistics protection versions
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Can be connected to automatic control systems
Explosion and gas resistant emergency evacuation hatches
Explosion and gas resistant emergency evacuation hatches is intended to ensure safe escape routes in crisis situations. These hatches are life-saving components in safe spaces, ensuring a fast and safe exit option even under the most extreme conditions.
Main characteristics:
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Reinforced frames and locking systems for maximum security
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Easy-to-handle mechanisms, enabling rapid opening in the event of an emergency
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Gas-tight seals, preventing the entry of contaminated air, chemicals or smoke
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High overpressure tolerance and resistance to extreme weather and environmental conditions
Special-order shelter doors
Custom shelter doors, designed to meet specific security and operational requirements in shelters, government buildings and industrial facilities. These doors have been created maximum flexibility, enabling a variety of customization options tailored to the unique needs of each project.
Main characteristics:
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Custom measures and specifications according to project requirements
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Manual or electrical opening, depending on the installation environment
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Advanced locking mechanisms for better security
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Special designs emergency rooms and safe rooms
Ukrainian DU shelter doors
Ukrainian heavy-class explosion-resistant and gas-tight doors suitable for installation in new buildings and existing structures. The doors are designed in accordance with modern Ukrainian civil protection shelter construction regulations and can also be adapted to ensure additional ballistic protection.
Main characteristics:
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Heavy construction design, which can withstand a high pressure load due to internal reinforcements
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Standard measures: 900 × 2000 mm, 1200 × 2000 mm, 800 × 1800 mm; also available in special dimensions
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Special door frame allows easy installation in existing openings or pre-installed frames
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Patented design ensures good serviceability even after installation
BVNO air valve open in normal
Main characteristics:
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A wide range of blast valves for different air currents. BVNO series contains valves with air flow between 50-2900 m ³/h (for one valve, multiple valves can be installed in case of increased air flow).
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Rear pressure tolerance > 900 kPa (9 bar).
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Very durable – withstand heat and corrosion.
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Normally open blast valves can be equipped with a dust prefilter to remove dust particles and a special housing to direct air.
- Operating temperature -20 - +70 °C
- Mechanical strength not exceeding 12 g
SAFE 360 ventilation system
Main characteristics:
- The perfect solution for rooms up to 36 m ³ or until 72 m ³, if two systems are installed.
- Easy installation both during construction and in existing rooms (retrofitting).
- Runs in three modes: 100-230V AC, 12V DC and manual mode (backup).
- All components are certified according to SI 4570 and approved by the national authorities.
- Installed in tens of thousands of shelters.

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