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
Bullet-proof windows
Bullet-proof windows provide effective protection against various ballistic threats by meeting international standards such as: NIJ 0108.01 (US), EN 1522 (until FB7, Europe) and NATO STANAG 4569. The windows are made up of advanced laminated glass and composite materials that can also brake large-caliber ammunition.
Main characteristics:
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Certified protection up to 7.62 x 51 NATO and 12.7 x 99 (.50 BMG) against
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Available fixed, sliding, opening/tilting mechanisms and bespoke
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Can be added drawers for safe deposit boxes and communicate securely
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Also in explosion resistance and intrusion resistance extra protection
Tube-shaped shelter
Main characteristics:
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Operating height: 3 metres – guarantees freedom of movement and comfort within the interior.
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Length of living module: 6 to 15 metres, providing accommodation for several people.
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The structure includes space for connections and technical systems.
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Can be installed as a ground or underground solution.
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Equipped certified gas and water tight doors and explosion-proof hatches, which provide insulation against external hazards.
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Contains Arconik ventilation and filtration system, that protects nuclear, biological and chemical (CBRN) hazards from the front.
Modular shelter Kalamaki
Main characteristics:
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Cost-effective solution for uncompromising quality high quality materials and craftsmanship at affordable prices.
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Fully customizable – the different modules make it possible to create larger living and security areas as needed.
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Quick and easy installation – the prefabricated design allows for rapid and simple set-up.
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Comprehensive protection – completely waterproof, airtight and corrosion resistant, ensuring a long life span.
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Integrated CBRN filtration and explosion resistant doors equipped with certified Atmas Group/Arconik CBRN filtration systems and explosion-resistant doors for maximum security.
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Global supply option optimised for storage in standard containers and lightweight and durable design for transport around the world, with a seamless order and support from local representatives.
HDB anti-shock grate
Main characteristics:
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Tested in shock tube until 6 bar pressure.
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Resistance to corrosion (1,440 hours in salt spray test).
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Self-activated closing and opening mechanism.
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Available on a custom scale up to 2000 × 2400 mm.
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Certified for use in hazardous environments.
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
NSVL type ventilation system filters AFU RC
Main characteristics:
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New and improved design
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Low pressure loss
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SI 4570 certified activated carbon filters; and H14 HEPA filters
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Possibility to be retrofitted to existing systems

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