DMD SERIES


DMD40DH / MA / MX HAMMER

DMD50DH / MA HAMMER

DMD60DH / SD / MA HAMMER

DMD80DH / QL / SD HAMMER

DMD SERIES CHART

Description

DMD SERIES

  • DMD40DH / DMD40MA / DMD40MX (4.5”)

  • DMD50DH  / DMD50MA (5.0”)

  • DMD60DH / DMD60SD / DMD60MA (6.0”)

  • DMD80DH / DMD80QL / DMD80SD (8.0”) 


DESIGN HIGHLIGHTS

  • DMD Series is a valve less type hammers designed for high performance at low operating air pressures.

  • Suitable bits has a strong robust design without foot valve to withstand heavy duty application.

  • DMD Series Hammers maximizes energy output and reduces service requirements.

  • Wear Sleeve is reversible.

  • All critical internal components are heat treated under strict control to maximize tool longevity.


EXCLUSIVE FEATURES

  • Simplified piston geometry for improved balance and location within cylinder.

  • Improved chamber volumes and cycle timing to optimize performance

  • Suitable for drilling at a wide range of air pressures, excelling at higher working pressure.

  • Fitted with a reversible cylinder to maximize operating life

  • Fewer internal parts minimize service requirements


APPLICATIONS

Water Well Mining Construction Quarry


  • DMD40DH / MA / MX HAMMER
  • DMD50DH / MA HAMMER
  • DMD60DH / SD / MA HAMMER
  • DMD80DH / QL / SD HAMMER

Parts list

DMD40DH / MA / MX HAMMER
Sl.No Part Name Quantity Part Number
1 TOP SUB (2 3/8 API REG PIN) 1 15-4H4500-23ARM/1
2 “O” RING( FOR TOP SUB) 1 37-07403H
3 CHECK VALVE 1 19-13076N
4 SPRING 1 17-321018
5 SHIM 1 77-06055E
6 COMPRESSION SPRINGS 1 2 29-050506
7 COMPRESSION SPRINGS 2 2 29-060512
8 COMPRESSION SPRINGS 3 1 29-050512
9 AIR DISTRIBUTOR 1 12-4H4500
10 “O” FOR AIR DISTRIBUTOR 1 37-06405H
11 WEAR SLEEVE [DMD40DH] 1 45-4H4500
WEAR SLEEVE [DMD40MA/MX] 1 45-4H4501
12 PISTON 1 55-4H4500
13 PISTON RETAINER RING 1 89-080429
14 BIT RETAINER RING [DMD40DH] 1 99-070515
BIT RETAINER RING [DMD40MA] 1 99-070540
BIT RETAINER RING [DMD40MX] 1 99-070540/A
15 “O” RING FOR BIT RETAINER RING 1 37-07102H
16 DRIVE SUB [DMD40DH] 1 75-4H4500
DRIVE SUB [DMD40MA] 1 75-4H4501
DRIVE SUB [DMD40MX] 1 75-4H4502
SERVICE KIT (S.NO: 2,4, 10&15) 1 4H4500MAK
HAMMER ASSEMBLY [DMD40DH] 1 34-4H4500DH-23ARMS/1
HAMMER ASSEMBLY [DMD40MA] 1 34-4H4500MA-23ARMS/1
HAMMER ASSEMBLY [DMD40MX] 1 34-4H4500MX-23ARMS/1

Specifications

Sl.No Description Unit Dimension
1 HAMMER LENGTH [40DH/MA/MX] W/O BIT mm 1030.0 / 1065.0 / 1065.0
2 HAMMER OUTSIDE DIA mm 98.0
3 HAMMER WEIGHT kg 38.0
4 CYLINDER BORE mm 79.0
5 PISTON STROKE mm 85.0 (approx.)
6 PISTON WEIGHT kg 9.1
7 HOLE SIZES mm 108-150
8 WRENCH SIZE A/F mm A/F-65.0 / W-56.0
9 SUITABLE SHANK [DMD40DH] ----- DHD340 (With foot valve)
SUITABLE SHANK [DMD40MA] ----- MACH44 (With foot valve)
SUITABLE SHANK [DMD40MX] ----- MX40 (With Foot Valve)

DMD40DH / MA / MX HAMMER (AIR CONSUMPTION CHART)

DHD340 SHANK

MACH44 SHANK

MX40 SHANK

Parts list

DMD50DH / MA HAMMER
Sl.No Part Name Quantity Part Number
1 TOP SUB (3 1⁄2 API REG PIN) 1 15-5H5000-31ARM
2 “O” RING FOR TOP SUB BOTTOM SIDE 1 37-09403H
3 “O” RING FOR TOP SUB TOP SIDE 1 37-08903H
4 SPRING 1 17-320713
5 CHECK VALVE 1 19-23070N
6 NON RETURN VALVE SEAT 1 29-050216
7 “O” RING FOR NRV SEAT 1 37-04003H
8 RETAINER RING FOR TOP SUB 1 89-050326
9 PISTON [DMD50DH] 1 55-5H5000
PISTON [DMD50MA] 1 55-5H5001
10 WEAR SLEEVE 1 45-5H5000
11 PISTON RETAINER RING 1 89-090429
12 GUIDE SPACER 1 29-090814
13 BIT RETAINER RING [DMD50DH] 1 99-090724
BIT RETAINER RING [DMD50MA] 1 99-090740
14 DRIVE SUB SPACER 1 77-11104E
15 DRIVE SUB [DMD50DH] 1 75-5H5000
DRIVE SUB [DMD50MA] 1 75-5H5001
SERVICE KIT (S.NO: 2,3,4,7) 1 5H5000DHK
HAMMER ASSEMBLY [DMD50DH] 1 34-5H5000DH-31ARMS
HAMMER ASSEMBLY [DMD50MA] 1 34-5H5000MA-31ARMS

Specifications

Sl.No Description Unit Dimension
1 HAMMER LENGTH [50DH/MA] W/O BIT mm 974.0 / 979.0
2 HAMMER OUTSIDE DIA mm 118.50
3 HAMMER WEIGHT kg 58.0
4 CYLINDER BORE mm 98.00
5 PISTON STROKE mm 85.0 (approx.)
6 PISTON WEIGHT kg 14.0
7 HOLE SIZES mm 127 - 165
8 WRENCH SIZE A/F mm A/F 90.00/W-44.00
9 SUITABLE SHANK [DMD50DH] ----- DHD350 (With Foot Valve)
SUITABLE SHANK [DMD50MA] ----- MACH50 (With Foot Valve)

DMD50DH / MA HAMMER (AIR CONSUMPTION CHART)

DHD350 SHANK

MACH50 SHANK

Parts list

DMD60DH / SD / MA HAMMER
Sl.No Part Name Quantity Part Number
1 TOP SUB (3 1⁄2 API REG PIN ) 1 15-6H6000-31ARM/1
2 “O” RING FOR TOP SUB BOTTOM SIDE 1 37-11203H
3 “O” RING FOR TOP SUB TOP SIDE 1 37-09905H
4 NYLON BUSH 1 47-2312NB
5 SPRING 1 17-331211
6 CHECK VALVE 1 19-34128N
7 CHECK VALVE GUIDE 1 29-040315
8 “O” RING FOR CHECK VALVE GUIDE 1 37-03702H
9 RETAINER RING FOR TOP SUB 1 89-040218
10 PISTON [DMD60DH] 1 55-6H6000
PISTON [DMD60SD] 1 55-6H6001
PISTON [DMD60MA] 1 55-6H6002
11 WEAR SLEEVE 1 45-6H6000
12 PISTON RETAINER RING 1 89-110639
13 GUIDE BUSH [DMD60DH] 1 65-6H6000
GUIDE SPACER [DMD60SD] 1 29-110924
GUIDE SPACER [DMD60MA] 1 29-100927
14 “O” RING FOR GUIDE BUSH 2 37-09703H
15 BIT RETAINER RING [DMD60DH] 1 99-110822
BIT RETAINER RING [DMD60SD] 1 99-110818
BIT RETAINER RING [DMD60MA] 1 99-110855
16 DRIVE SUB SPACER 1 77-14128E
17 DRIVE SUB [DMD60DH] 1 75-6H6000
DRIVE SUB [DMD60SD] 1 75-6H6001
DRIVE SUB [DMD60MA] 1 75-6H6002
SERVICE KIT (S.NO: 2,3,5,8,14) 1 6H6000DHK
HAMMER ASSEMBLY [DMD60DH] 1 34-6H6000DH-31ARMR/1
HAMMER ASSEMBLY [DMD60SD] 1 34-6H6000SD-31ARMR/1
HAMMER ASSEMBLY [DMD60MA] 1 34-6H6000MA-31ARMR/1

Specifications

Sl.No Description Unit Dimension
1 HAMMER LENGTH [60DH/SD/MA] W/O BIT mm 1137.0 / 1153.0 / 1150.0
2 HAMMER OUTSIDE DIA mm 144.0
3 HAMMER WEIGHT kg 97.2
4 CYLINDER BORE mm 114.0
5 PISTON STROKE mm 80.0 (approx.)
6 PISTON WEIGHT kg 23.2
7 HOLE SIZES mm 155-178
8 WRENCH SIZE A/F mm A/F 100.50 / W-68.5
9 SUITABLE SHANK [DMD60DH] ----- DHD360 (With Foot Valve)
SUITABLE SHANK [DMD60SD] ----- SD6 (With Foot Valve)
SUITABLE SHANK [DMD60MA] ----- MACH60 (With Foot Valve)

DMD60DH / SD / MA HAMMER (AIR CONSUMPTION CHART)

DHD360 SHANK

SD6 SHANK

MACH60 SHANK

Parts list

DMD80DH / QL / SD HAMMER
Sl.No Part Name Quantity Part Number
1 TOP SUB (4 1⁄2 API REG PIN ) 1 15-8H8000-41ARM/1
2 “O” RING( FOR TOP SUB BOTTOM SIDE) 1 37-14105H
3 “O” RING FOR TOP SUBTOP SIDE 1 37-12705H
4 TOP & DRIVE SUB SPACER 2 29-181510
5 SPRING 1 17-321018
6 NYLON BUSH 1 47-2595NB
7 CHECK VALVE 1 19-25085N
8 “O” RING FOR NRV SEAT 1 37-06003H
9 NON RETURN VALVE SEAT 1 29-070420
10 RETAINER RING FOR TOP SUB 1 89-070327
11 PISTON [DMD80DH] 1 55-8H8000
PISTON [DMD80QL] 1 55-8H8001
PISTON [DMD80SD] 1 55-8H8002
12 WEAR SLEEVE [DMD80DH / SD] 1 45-8H8000
WEAR SLEEVE [DMD80QL] 1 45-8H8001
13 PISTON RETAINER RING 1 89-140645
14 GUIDE SPACER [DMD80DH / SD] 1 29-141222
GUIDE BUSH [DMD80QL] 1 65-8H8001
15 “O” RING FOR BIT RETAINER RING 1 37-11602H
16 BIT RETAINER RING [DMD80DH] 1 99-141039
BIT RETAINER RING [DMD80QL] 1 99-141031
BIT RETAINER RING [DMD80SD] 1 99-140931
17 DRIVE SUB [DMD80DH] 1 75-8H8000
DRIVE SUB [DMD80QL] 1 75-8H8001
DRIVE SUB [DMD80SD] 1 75-8H8002
SERVICE KIT (S.NO: 2,3,5,8,15) 1 8H8000DHK
HAMMER ASSEMBLY [DMD80DH] 1 34-8H8000DH-41ARMR/1
HAMMER ASSEMBLY [DMD80QL] 1 34-8H8000QL-41ARMS/1
HAMMER ASSEMBLY [DMD80SD] 1 34-8H8000SD-41ARMR/1

Specifications

Sl.No Description Unit Dimension
1 HAMMER LENGTH [80DH/QL/SD]W/O BIT mm 1251.0 / 1234.5 / 1191.0
2 HAMMER OUTSIDE DIA mm 182.0
3 HAMMER WEIGHT kg 181.0
4 CYLINDER BORE mm 145.0
5 PISTON STROKE mm 70.0 (approx.)
6 PISTON WEIGHT kg 50.0
7 HOLE SIZES mm 200 - 305
8 WRENCH SIZE A/F mm A/F 155.50 / W-68.60
9 SUITABLE SHANK [DMD80DH] ----- DHD380 ( With Foot Valve)
SUITABLE SHANK [DMD80QL] ----- QL80 ( With Foot Valve)
SUITABLE SHANK [DMD80SD] ----- SD8( With Foot Valve)

DMD80DH / QL / SD HAMMER (AIR CONSUMPTION CHART)

DHD380 SHANK

QL80 SHANK

SD8 SHANK