ASLI SPRD Single Blade Pressure Relief Dampers are designed to maintain certain amount of pressure in a pressurized zone (staircase, operation theatre, etc). The amount of pressure maintained in the pressurized zone is adjustable by the counterweight on the SPRD. The counter weight is hidden behind the blade for aesthetical purposes.
Frame: Galvanized steel, 0.7mm thickness.
Blade: Galvanized steel, 0.7mm thickness.
Standard Size (W x H)
N250mmX250mm.
Other sizes available upon request.
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