Further information for Helios Apparatebau RVM315 - Helios draft shutter RVM 315 = 315mm motor operated
RVM 3
5 tube sealing motorized shutters to prevent cold air from entering when the fan is. With attached spring return motor (outside air flow). Electrical activation in parallel with fan over, 9 m long cable. Cylindrical steel housing with in-dseitigen flanges. Screwed directly to the fan base and the flange. Porting pattern to DIN 24
55thNot for use in direct hazardous area. Make: Helios No.: 2578 Type: 3 RVM
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