... , gear reducer 2. ISO9001:2000, SGS,CE etc 3.Warranty 1 year 4. IEC, NEMA , SERVO Standerd aluminum case NMRV025-150 series worm gearbox Worm ... :56B5, 63B5, 71B5, 80B5,90B5,100B5,112B5,132B5Lubricant:Synthetic & MineralWorm gear reducer pictureDemension sizeInstallnation typeworking machine packingCertification NMRV+NRV doule worm gear reducer