RV series Worm-gear speed reducerProduct Info1. The material for NMRV/NRV 025 to 090 is high quality aluminium alloy die cast and from NMRV/NRV 110 to 150 material is cast iron.2.High accuracy worm gear and worn shaft.3.Less noise and lower temperature increase.4.Easy mounting and linking, high efficiency.5.Power: 0.06 - 15 KW6. Output torque: 2.7-1760Nm7.Trasmission Rate: 5-100rpmPakcing:Inner packing: cartonOuter packing: wooden case