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Hydraulic Motors

Mahahydraulics serves as the leading hydraulic system manufacturers supplying world class hydraulic powerpacks and motors.

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Hydraulic Motors

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  1. ISO 9001-2008 Certified Radial Piston Hydraulic Motor aLD Series aMD Series aMDS Series a820 Series aHD Series 1

  2. 820 Series Hydraulic Motors aim to provide high torque for high speed applications. 820series These motors incorporate the “high-flow” distribution system. These motors are extensively used for Wagon tippler and high inclination conveyors where high brake torque is required. Hydraulic brake (static) upto 16000 kgm are used in these motors which made these motors an ideal choice for high braking torque application. The motor displacements available range from 15 lit/rev. to 30 lit/rev. These motors can take heavy shock load due to incorporation of robust front bearing arrangement. Options aCustomized shaft aIntegral multi plate disc brake aHigh speed versions aDouble shaft aSuper low noise aCorrosion resistant material aThrough hole shaft of various sizes aCustom finish aDeep water submersible aNon magnetic material aDual displacement Features aLong life aHigh mechanical efficiency aConstant torque output aSmooth low speed performance<1rpm aResistance to thermal shock aDouble shaft sealing aShrink disc coupling aShaft or flange mounting aShock resistance aLow noise SPECIFICATION MOTOR FRAME SIZE TORQUE (THEORETICAL) TORQUE MAX SPEED RATED SPEED MAX** PRESSURE RATED BRAKE HOLDING TORQUE/ ROLL BACK TORQUE BRAKE REALEASE PREASURE DISP(*) PER REV RPM BAR Nm METRIC CM3/REV NM/BAR NM RPM BAR 820-HMB 15 120,000 70 50 15180 239 83650 100 345 60,000 80 50 820-HMB 20 20380 324 113400 110 345 60,000 40 50 820-HMB 25 25320 402 132660 60 345 60,000 35 50 820-HMB 30 30580 486 160380 50 345 **High speed version upon request. * Any other displacement upon request. 11

  3. 820series DIMENSIONS Motor shaft with female splines Main Connec (A1,A2,C1,C2) Drain Connec (D1,D2) Motor Type Weight (Kg) D(MM) D(MM) E(MM) A(MM) B(MM) 1” BSP HMB 15 820 853 764 235 803 1300 SAE 2” Brake (Static/Parking) Break Release Pressure Break Torque NM Max Motor Type A(MM) B(MM) C(MM) D(MM) 1,20,000 HMB 15-820 555 247 84 277.5 50 Bar * Technical Dimensions are subject to change without prior notice 12

  4. 820series TECHNICAL SPECIFICATIONS & DIMENSIONS Main Connec (A1,A2,C1,C2) Drain Connec (D1,D2) Motor Type Weight (Kg) C(MM) D(MM) A(MM) E(MM) F(MM) G(MM) B(MM) 1” BSP HMB 20 970 428 975 870 467 260 820 1650 SAE 2” HMB 25 970 428 975 870 467 260 820 1650 SAE 2” 1” BSP HMB 30 970 428 301 870 467 260 820 1650 SAE 2” 1” BSP Brake (Static/Parking) Break Release Pressure Break Torque NM Max Motor Type A(MM) B(MM) C(MM) D(MM) 60,000 HMB 20,25,30 480 211 86 240 50 Bar * Technical Dimensions are subject to change without prior notice 13

  5. Application for High Torque Gearless Hydraulic System Pulp & Paperindustry u waste paperhandling u cooking process u washing and bleaching Power u conveyor u reclaimer u stacker u bogie drives u unloaders Cement u mill drives u pressure feeders u cane carriers u cane unloaders Rubber& Plastics u winch drives u steering u dredgers u crawlers u drive barges Marine u mouldingmachines u process machines u belt process u screw drives Sugar u ball mills u bowl mills u feeder conveyors u ash handling u feeding gates u conveyors Mining u kiln drivers u driers u chemical u evaporators u mixers u reactors u dryers Material Handling u conveyors u wagon tipplers u side arm charges u paddle feeders u apron feeders u stacker reclaimers u crushers 19

  6. Technical data sheet-model destination code HM HD B 20 A A 1 A 0 Q 0 001 HM-Series Motor LD MD MD-S Series Motor 820 HD A-No Brake B-Wirh Brake Motor size / displacement (Reference) A-SAE Ports with Metric B-Other A-Standard Seals B-Vitron Seals C-Other/Custom 1-Female Splined Front Shaft 2-Shaft with Shrink Disc 3- Male Splined Front Shaft A-Single Displacement B-Dual Displacement 0-Standard 1-Rear Shaft Extension Speed Encoder 0-No Encoder 1-Speed Encoder 0-20- rpm 2-Speed Encoder 0-100- rpm 3-Speed Encoder 0-150- rpm Torque Arm 0-No Torque Arm 1-Standard Arm 2-Torque Arm Special Code for other custom features. Consult for assignment of code. 20

  7. ISO 9001-2008 Certified MAHA HYDRAULICS PRIVATE LIMITED Plot No. F - 62, SIPCOT Industrial Complex Irungattukottai, Sriperumbudur Taluk Kanchipuram District - 602 105 Tamil Nadu, India. Tel Fax Email web : +91- 44 - 4719 3081 / 82 / 83 : +91- 44 - 4719 3080 : sales@mahahydraulics.com : www.mahahydraulics.com 21

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