Constructed in a rigid frame in caliber 12 and aerodynamic fins of a single piece in caliber 16, they can be made in galvanized steel or stainless steel, our standard design has:
Working Temperatures up to 90 oC
Free-maintenance bronze bushings
Driving mechanisms directly welded to the fins for avoiding calibration.
They can be configured to use automatic drive (by means of actuators) or manual drive (by means of handles)