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Hydraulic NMRV 025 - 150 Worm Reducer Gearbox For Converter / Mixer

Categories NMRV Worm Gearbox
Brand Name: DOFINE
Model Number: NMRV30;40;50;63;75;90;110;130;150
Certification: BV/ISO/SGS/CE
Place of Origin: CHINA
Price: Negotiation
Payment Terms: T/T, L/C, MoneyGram
Supply Ability: 15,000 pcs per month
Delivery Time: 5-10 days
Packaging Details: Standard export wooden case
Material of housing: NMRV025-090 are Aluminium Alloy housing; 110-150 are cast iron
Material of worm wheel: wearable stannum bronze alloy
Material of worm shaft: 40Cr
Ratio: 7.5- 100(Combined 5000)
Mounting: Foot, flange, torque arm, shaft mounted
Input form: Direct with motor, solid shaft, IEC/NEMA flange
Output torque: 1.8-1760N.m
Color: Blue, silver or other
Warranty: 12 months
FOB port: Ningbo / Shanghai
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Hydraulic NMRV 025 - 150 Worm Reducer Gearbox For Converter / Mixer

Hydraulic NMRV 025 - 150 Worm Reducer Gearbox For Converter / Mixer

NMRV worm gearbox is consist of Worm shaft and worm wheel , casted by aluminum material. Generally it is designed for low power and small loading condition . But Small in Size and low noise.

Many worm gears have an interesting property that no other gear set has: the worm can easily turn the gear, but the gear cannot turn the worm. This is because the angle on the worm is so shallow that when the gear tries to spin it, the friction between the gear and the worm holds the worm in place.



1. Adapt for SERVO,IEC, NEMA etc
2. Pass ISO9001: 2008, SGS, etc.
3. Supply: 20000PCS per month


1. High quality aluminum alloy quadrate case, beautiful and graceful.

2. High heat-radiating efficiency, high carrying ability.

3. Small size, compact construction, light weight, saving place for mounting, and suitable for different installation position.

4. Safe, reliable, economical and durable.

Technical data

Item name: Worm Gear Reducer
Size No.: NMRV030-150
Ratio: 7.5,10,15,20,25,30,40,50,60,80,100
Color: Blue/ Silver
Material: Housing-Casting iron-HT200 -250#/ Aluminium
Worm Gear- KK alloy
Worm-20CrMnTi with carburizing and quenching, surface hardness is 58-62HRC
Shaft-chromium steel-45#
Packing: Paper carton,Plywood box / per set(With foam board inside)
Bearing: Brand "HRE" Bearing
Seal: NAK Seal from TAIWAN
Warranty: 1 year
Input Power: 0.25kW, 0.37kW, 0.55kw,0.75kw,1.1kw,1.5kw,2.2kw,4kw,5.5kw,7.5kw
Application: In industrial machine: Food stuff,Ceramics,chemical, packing, printing, dyeing,woodworking, glass and plastics,
IEC Flange: 56B5, 63B5, 71B5, 80B5,90B5,100B5,112B5,132B5
Lubricant: Synthetic & Mineral

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