Air-tight circular volume control damper TRZT Description Circular air-tight damper (air-tight class 4 according to EN1751) in galvanized steel, suitable for manual or electric motor. Steel blade axis mounted on bronze bushes (08 mm, up to DN 250) or nylon (012 mm, starting from Dn 315). Silicon sealing gasket on the blade. Possibility of manual or electric operation by means of an accessory motor (MOT versions). Maximum working temperature: 70° C. It is commonly used for the calibration of the air volume (balancing) in the branches of the aeraulic nets in air-conditioning/ventilation systems, in air handling units, in process and hospital plants. Dimensions ^ . 100, 125, 160, 200, 250, 315, 355, 400, 500, Dn (mm): 560, 630, 710 Construction Case and blade in galvanized sheet steel, bronze or nylon bushings. Other versions TRZT F: flanged execution. TRXT: stainless steel execution (AISI 304). TRZT MOT: suitable for electric motor*. Accessories T1, T2, T3: manual lateral control with stop*. T7...: motor for electric drive 5 Nm*. T8...: motor for electric drive 10 Nm*. Performances TRZT + T1 Specifications Circular air-tight damper in galvanized steel, suitable for manual or electric drive. Steel blade axle mounted on bushes. Silicon sealing gasket on the blade. (* see data sheet for damper actuators) F.C.R. SpA - Via E. Fermi, 3 - 20092 Cinisello Balsamo (MI) - Italy phone +39 02 61798 1 - fax +39 02 61798 300 - www.fcr.it - [email protected]