Air flow regulator CRT

Commissioning/Shut-off damper - Ductwork leakage class 0 or 4 Tight-closing shut-off damper Ductwork Leakage Class 4 Motorised regulation (standard) Manual control through knob (accessory) Quick connection enables simple access for cleaning (accessory) Technical description Design Circular commissioning damper consisting of a duct section with a damper and duct connections fitted with a rubber seal ring. The CRT has as standard provision for motorised regulation. The damper duct has an external actuator self for simple installation of a actuator. Inside there is a solid blade with rubber gasket, Ductwork leakage Class 4 to SS-EN 1751. The motorised regulation requires an actuating torque specified in the dimensions and weights table on page 5. As standard, the supporting shelves are 80 mm high to be flush with the outer surface of any possible duct insulation. Max. permissible ambient temperature: 60°C. Tightness Classification according to EN 1751, pressure Class A with 1000 Pa as the highest pressure difference over damper blade in closed position. Tightness class C on the housing and tightness class 4 for closed damper. Materials and finish The entire damper is made of galvanised sheet steel. Customizing The damper can be made of other materials, such as stainless or epoxy-coated sheet steel. Contact your nearest sales office for information. Accessories Actuator: Sauter ASM115SK005, ASM124SK002, 24 V AC, standard actuators depending on size. Other actuators must be ordered; see the actuator selection table on page 5. Wiring diagrams can be found in the relevant MIS instructions (Installation – Commissioning - Maintenance) Knob: CRTT-1 for manual control.