This European Standard specifies methods for the testing and rating of dampers and valves used in air distribution systems with pressures up to 2000 Pa. The tests incorporated in this European Standard are: a) leakage past a closed damper or valve; b) casing leakage; c) flow rate/pressure requirement characteristics; d) torque: annex A; e) thermal transfer: annex B. The acoustic testing of dampers and valves is not included in this standard.
IN_DEVELOPMENT
prEN 1751
40.60
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May 28, 1995