TUNE-R-315-3-LF24 control / shut off damper for round ducts - non insulated, 315mm dia., Casing tightness class C, blade tightness class 4, prepared for actuator

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Skip to the beginning of the images gallery Details Function Tune-R is a control and shut off damper for round ducts. It is available in various versions with blade tightness class 1 or 4 and casing tightness class A or C tested according to EN 1751. A1 version is ideal in simple installations for regulating the air volume in circular ducts. C1 version is required for duct installation with airtight requirements towards the outside of the duct or to minimize the leakage towards the outside surroundings (for example hospital patient rooms, industry applications, etc). C4 version is ideal for use as a shut off damper where different parts of the system need to be airtight separated from each other because of the dangerous materials contained�in the air (surgery rooms). It can also be used as a shut off damper for air handling units, combined with a spring return actuator. In case of power outage the damper can maintain a fully closed position. The damper's special construction allows external insulation up to 50 mm. The damper can be supplied in a manual or motorized version with an integrated position indicator. The maximum allowed temperature is 100�C. The maximum duct pressure is 1000 Pa. The basic version with a plastic manual controller and a low tightness class (A-casing, 0-blade) is also available in a diameter from 100 to 315 mm, please see the Tune-R-B catalogue for details. Design The damper is manufactured from a galvanized steel sheet and is silicone-free. All the gaskets are�manufactured from black rubber. Plastic bushings are from a PPO material. All the materials are flame retardant. Additional Details Additional Details Delivery This item is usually stocked overseas and takes about 2-3 weeks to deliver. If stock in UK deliverable in 3-4 days. Enquire on 01729 824108 Brand Systemair Warranty 1 year manufacturers warranty

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