FDH SERIES


FDH47DI HAMMER

FDH65DI HAMMER

FDH SERIES CHART

Description

FDH SERIES

  • FDH47DI (4 3/4”)

  • FDH65DI (6.5”)


DESIGN HIGHLIGHTS

  • FDH 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.

  • FDH 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

  • Control tube sub assembly is used for guiding piston which minimizes the service requirements.

  • Hammer is inbuilt with buffer ring which will sustain the compressive load generated from 
    drill string.


APPLICATIONS

Water Well Mining Construction Quarry


  • FDH47DI
  • FDH65DI

Parts list

FDH47DI
Sl.No Part Name Quantity Part Number
1 TOP SUB (2 3/8 API REG PIN) 1 15-4F4700-23ARM
2 CHECK VALVE 1 19-24109R
3 SPRING 1 17-210610
4 BUFFER RING 1 27-080610
5 TOP VALVE 1 25-4F4700
6 CONTROL TUBE HEAD 1 10-4F4700
7 CONTROL TUBE LOCK PIN 1 39-11086A
8 BUFFER RING 1 27-060405/A
9 TUBE 1 11-4F4702
10 PISTON 1 52-4F4701
11 WEAR SLEEVE 1 45-4F4701
12 PISTON RETAINER RING 1 89-080430
13 GUIDE BUSH 1 65-4F4700
14 “O” RING GUIDE FOR BUSH 2 37-06203H
15 BIT RETAINER RING 1 99-080515
16 “O” RING FOR BIT RETAINER RING 1 37-07504H
17 DRIVE SUB 1 75-4F4700
SERVICE KIT (PRT NO3,4,7,13,15) 1 4F4700DIK
HAMMER ASSEMBLY 1 34-4F4700DI-23ARMS

Specifications

Sl.No Description Unit Dimension
1 HAMMER LENGTH W/O BIT mm 980.0
2 HAMMER OUTSIDE DIA mm 107.0
3 HAMMER WEIGHT kg 47.0
4 CYLINDER BORE mm 88.0
5 PISTON STROKE mm 80.0 (approx.)
6 PISTON WEIGHT kg 10.5
7 HOLE SIZES mm 120-140
8 WRENCH SIZE A/F mm A/F 74.5 /W-40.0
9 SUITABLE SHANK ----- D4 [With out Foot Valve)

FDH47DI HAMMER (AIR CONSUMPTION CHART)

D4 SHANK

Parts list

FDH65DI
Sl.No Part Name Quantity Part Number
1 TOP SUB (3 1⁄2 API REG PIN) 1 15-6F6501-27IFM
2 CHECK VALVE 1 19-25142R
3 SPRING 1 17-220812
4 BUFFER RING 1 27-120806
5 TOP VALVE 1 25-6F6501
6 CONTROL TUBE HEAD 1 10-6F6502
7 BUFFER RING 1 27-060405
8 TUBE 1 11-6F6502
9 LOCK PIN 1 39-15115A
10 PISTON 1 52-6F6506
11 WEAR SLEEVE 1 45-6F6503
12 PISTON RETAINER RING 1 89-110645
13 GUIDE BUSH 1 65-6M6500
14 “O” RING FOR GUIDE BUSH 4 37-08804H
15 BIT RETAINER RING 1 99-120619
16 “O” RING FOR BIT RETAINER RING 1 37-08603H
17 DRIVE SUB 1 75-6F6501
SERVICE KIT (S.NO:2,4,5,15) 1 6F6500D6K
HAMMER ASSEMBLY 1 34-6F6504DI-27IFMR

Specifications

Sl.No Description Unit Dimension
1 HAMMER LENGTH W/O BIT mm 1017.0
2 HAMMER OUTSIDE DIA mm 148.0
3 HAMMER WEIGHT kg 97.0(approx.)
4 CYLINDER BORE mm 120.5
5 PISTON STROKE mm 90.0(approx.)
6 PISTON WEIGHT kg 21.0
7 HOLE SIZES mm 165-203
8 WRENCH SIZE A/F mm A/F 90.0 / W-40.0
9 SUITABLE SHANK ----- D6 [With out Foot Valve)

FDH65DI HAMMER (AIR CONSUMPTION CHART)

D6 SHANK