INDUSTRIAL CENTRI FAN UTENTRA UHF142 INDUSTRIAL FAN; TYPE: CENTRIFUGAL; POSITIONING MECHANISM: FIXED; BODY MATERIAL: STEEL; PROPELLER DIAMETER: 158 MM; NUMBER OF BLADES/ FINS: 36; POWER: 0.25 KW; VOLTAGE: 440 V; ROTATION: 2800.00 RPM; FIXING: BASE; MANUFACTURER: UTENTRA; REFERENCE: U/HF 142; ALL INDUSTRIAL FANS, EXHAUST FANS AND EQUIPMENT WITH ROTARY PROPELLERS IN GENERAL, MUST HAVE SAFETY PROTECTION GRILLS. THIS PROTECTION MUST CONSIDER LIMITATION TO THE REACH OF THE FINGER TIPS, WITH OPENING AND DISTANCING AS REQUIRED IN ABNT NBR ISO 13857, EVEN FOR INSTALLATIONS OUT OF REACH OF THE USER.