90 degree gear drive speed ratio 1:1 or 2:1,transmission efficiency up ... iron or aluminum gearbox are available. NOSEN 90 degree gear drive RNV-Series,cubic shape of gearbox.Model: RNV-065,RNV ... ºCTest Equipments: noise meter and infrared thermometerApplication Industries:diesel engine drive water pump,textile,food processing machine,medicine,rotary axis drives ...