HDB Archives - Bunker Builders https://www.bunkerbuilders.com/product-tag/hdb/ Mon, 15 Dec 2025 06:08:48 +0000 en-US hourly 1 https://wordpress.org/?v=6.9 https://www.bunkerbuilders.com/wp-content/uploads/2025/10/logo-coming-soon-300x300-1-150x150.png HDB Archives - Bunker Builders https://www.bunkerbuilders.com/product-tag/hdb/ 32 32 HDB – Blast Damper https://www.bunkerbuilders.com/product/hdb-blast-damper/?utm_source=rss&utm_medium=rss&utm_campaign=hdb-blast-damper https://www.bunkerbuilders.com/product/hdb-blast-damper/#respond Mon, 15 Dec 2025 06:08:47 +0000 https://ffb.ios.mybluehost.me/website_81fe6ff5/?post_type=product&p=832 Blast dampers are used in ventilation systems to prevent the blast wave through external walls into the building. They are designed with high ventilation capacity. The dampers can protect people and equipment from explosions or momentary pressure change (e.g. tornadoes, etc.). When an explosion occurs, the valve will close instantly under the action of the shock wave; when the shock wave disappears, the valve will be automatically restored. They are mainly used in refineries, oil & gas, nuclear power plants and some other facilities which are at risk of explosions. They are installed on the air openings (air inlet and air outlet) of the facilities.

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Blast dampers are used in ventilation systems to prevent the blast wave through external walls into the building. They are designed with high ventilation capacity. The dampers can protect people and equipment from explosions or momentary pressure change (e.g. tornadoes, etc.). When an explosion occurs, the valve will close instantly under the action of the shock wave; when the shock wave disappears, the valve will be automatically restored. They are mainly used in refineries, oil & gas, nuclear power plants and some other facilities which are at risk of explosions. They are installed on the air openings (air inlet and air outlet) of the facilities.

HDB – Blast Damper

  • MIN Size: 200 mm x 200 mm (W x H)

  • MAX Size: 2000 mm x 2400 mm (W x H),

  • Shock tube tested (Maximum pressure is 6 bar, 12.9ms; 1.1 bar, 57ms (peak reflected pressure), VTT

  • ATEX certified (Gas) IIC, Zone 1 & 2, IIC, T6…T2 (Dust), Zone 21 & 22, IIIB, T70ºC~T285ºC, TUV

  • The normal operating temperature is between -40 ºC to +300 ºC, 30 mins, SGS

  • Aerodynamic testing according to AMCA-500

  • Excellent corrosion resistance, passed the 1440h salt spray corrosion test follow the standard DIN EN ISO 9227: 2006

  • Equipped with grid preserving from the debris impact

  • Self-actuating closing and opening

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