STUNNER SERIES


ST25BR HAMMER

ST30BR HAMMER

ST35BR HAMMER

ST45PA HAMMER

STUNNER SERIES CHART

Description

STUNNER SERIES

  • ST25BR (3.0”)

  • ST30BR (3.5”)

  • ST335BR (3 3/4”)

  • ST45PA (4.5”) 


DESIGN HIGHLIGHTS

  • Stunner Series is a valve 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.

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

  • Wear Sleeve is not reversible.

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


EXCLUSIVE FEATURES

  • Flapper mechanism helps to adjust inflow air pressure and it is guided with valve centralizer for correct positioning/movement of flapper valve.

  • Split bush used for guiding the bit and it provided with a groove for easy removal.

  • Inner cylinder guides piston and supplies air into piston area where the air flow is controlled.


APPLICATIONS

Water Well • Mining Construction Quarry


  • ST25BR
  • ST30BR
  • ST35BR
  • ST45PA

Parts list

ST25BR
Sl.No Part Name Quantity Part Number
1 TOP SUB [2.5D 4 TPI BOX] 1 15-2B2500-25DF
TOP SUB (CHEETHA THREAD) 1 15-2B2500-5DF
TOP SUB (3.5D 4 TPI BOX) 1 15-2B2500-35DF
TOP SUB (RD50 BOX THREAD) 1 15-2B2500-RD50F
TOP SUB (CA21 BOX THREAD) 1 15-2B2500-CA21F
TOP SUB (2 IF 4TPI 5 0 BOX) 1 15-2B2500-2IFF
2 "O" RING FOR TOP SUB 1 37-04602H
3 CHECK VALVE 1 19-23082N
4 SPRING 1 17-110513
5 TOP VALVE 1 22-2B2500
6 VALVE CENTRALISER 1 59-121523
7 DISC VALVE 1 69-421603
8 BOTTOM VALVE 1 32-2B2500
9 PISTON 1 52-2B2500
10 LINER 1 42-2B2500
11 GUIDE BUSH 1 65-2B2500
12 WEAR SLEEVE 1 45-2B2500
13 SPLIT BUSH 1 B9-050437
14 BIT RETAINER RING 1 99-040319
15 "O" RING FOR BIT RETAINER RING 1 37-03702H
16 DRIVE SUB 1 75-2B2500
SERVICE KIT (S.NO:2,4&15) 1 2B2500BRK
HAMMER ASSEMBLY 1 34-2B2500BR-25DFS
HAMMER ASSEMBLY 1 34-2B2500BR-5DFS
HAMMER ASSEMBLY 1 34-2B2500BR-35DFS
HAMMER ASSEMBLY 1 34-2B2500BR-RD50FS
HAMMER ASSEMBLY 1 34-2B2500BR-CA21FS
HAMMER ASSEMBLY 1 34-2B2500BR-2IFFS

Specifications

Sl.No Description Unit Dimension
1 HAMMER LENGTH W/O BIT mm 810.0
2 HAMMER OUTSIDE DIA mm 62.0
3 HAMMER WEIGHT kg 13.0
4 CYLINDER BORE mm 42.7
5 PISTON STROKE mm 80.0 [approx.]
6 PISTON WEIGHT kg 1.75
7 HOLE SIZES mm 70-80
8 WRENCH SIZE A/F mm A/F 48.0 / W-32.0
9 SUITABLE SHANK - BR2 (Without Foot Valve)

ST25BR HAMMER(AIR CONSUMPTION CHART)

BR2 SHANK

Parts list

ST30BR
Sl.No Part Name Quantity Part Number
1 TOP SUB [2 3/8 API REG PIN] 1 15-3B3000-23ARM
TOP SUB (2 3/8 API REG BOX) 1 15-3B3000-23ARF
2 “O” RING FOR TOP SUB 1 37-05403H
3 CHECK VALVE 1 19-23082N
4 SPRING 1 17-110511
5 TOP VALVE 1 22-3B3000
6 VALVE CENTRALISER 1 59-121921
7 DISC VALVE 1 69-511902
8 BOTTOM VALVE 1 32-3B3000
9 PISTON 1 52-3B3000
10 LINER 1 42-3B3000
11 GUIDE BUSH 1 65-3B3000
12 WEAR SLEEVE 1 45-3B3000
13 SPLIT BUSH 1 B9-060443
14 BIT RETAINER RING 1 99-050319
15 "O" RING FOR BIT RETAINER RING 1 37-04603H
16 DRIVE SUB 1 75-3B3000
SERVICE KIT (S.NO:2,4&15) 1 3B3000BRK
HAMMER ASSEMBLY 1 34-3B3000BR-23ARMS
HAMMER ASSEMBLY 1 34-3B3000BR-23ARFS

Specifications

Sl.No Description Unit Dimension
1 HAMMER LENGTH W/O BIT mm 769.0
2 HAMMER OUTSIDE DIA mm 78.0
3 HAMMER WEIGHT kg 24.0
4 CYLINDER BORE mm 50.8
5 PISTON STROKE mm 82.0 [approx.]
6 PISTON WEIGHT kg 2.80
7 HOLE SIZES mm 85-95
8 WRENCH SIZE A/F mm A/F 57.0/W-50.0
9 SUITABLE SHANK ----- BR3 (Without Foot Valve)

ST30BR HAMMER (AIR CONSUMPTION CHART)

BR3 SHANK

Parts list

ST35BR
Sl.No Part Name Quantity Part Number
1 TOP SUB [2 3/8 API REG PIN] 1 15-3B3300-23ARM
2 "O" RING FOR TOP SUB 1 37-05043H
3 CHECK VALVE 1 19-23082N
4 SPRING 1 17-110511
5 TOP VALVE 1 22-3B3300
6 VALVE CENTRALISER 1 59-121921
7 DISC VALVE 1 69-511902
8 BOTTOM VALVE 1 32-3B3300
9 PISTON 1 52-3B3300
10 LINER 1 42-3B3300
11 GUIDE BUSH 1 65-3B3300
12 WEAR SLEEVE 1 45-3B3300
13 SPLIT BUSH 1 B9-060546
14 BIT RETAINER RING 1 99-060419
15 "O" RING FOR BIT RETAINER RING 1 37-04603H
16 DRIVE SUB 1 75-3B3300
SERVICE KIT (S.NO:2,4&15) 1 3B3300BRK
HAMMER ASSEMBLY 1 34-3B3300BR-23ARMS

Specifications

Sl.No Description Unit Dimension
1 HAMMER LENGTH W/O BIT mm 758.4
2 HAMMER OUTSIDE DIA mm 82.0
3 HAMMER WEIGHT kg 23.5
4 CYLINDER BORE mm 57.2
5 PISTON STROKE mm 82.0 [approx.]
6 PISTON WEIGHT kg 3.30
7 HOLE SIZES mm 90-100
8 WRENCH SIZE A/F mm A/F 57.0 /W-40.0
9 SUITABLE SHANK - BR33 (Without Foot Valve)

ST35BR HAMMER (AIR CONSUMPTION CHART)

BR33 SHANK

Parts list

ST45PA
Sl.No Part Name Quantity Part Number
1 TOP SUB [2 3/8 API REG BOX] 1 15-4PA4500-23ARF
2 CHECK VALVE CAP 1 57-332229
3 CHECK VALVE 1 19-23101M
4 SPRING 1 17-221017
5 TOP VALVE 1 22-4P4500
6 ROCKER VALVE 1 69-632801
7 BOTTOM VALVE 1 32-4P4500
8 PISTON 1 52-4P4500
9 LINER 1 42-4P4500
10 GUIDE BUSH 1 56-4P4500
11 SPACER 1 29-070510
12 WEAR SLEEVE 1 45-4P4500
13 SPLIT BUSH 1 B9-070665/A
14 BIT RETAINER RING 1 99-070252/A
15 "O" RING FOR BIT RETAINER RING 1 37-06203H
16 DRIVE SUB 1 75-4P4500
SERVICE KIT (S.NO:2,4&15) 1 4P4500PAK
HAMMER ASSEMBLY 1 34-4P4500PA-23ARFS

Specifications

Sl.No Description Unit Dimension
1 HAMMER LENGTH W/O BIT mm 985.0
2 HAMMER OUTSIDE DIA mm 98.0
3 HAMMER WEIGHT kg 43.0
4 CYLINDER BORE mm 69.6
5 PISTON STROKE mm 110.0 [approx.]
6 PISTON WEIGHT kg 6.0
7 HOLE SIZES mm 115-127
8 WRENCH SIZE A/F mm A/F 74.0/W-36.0
9 SUTABLE SHANK - PANTHER (Without Foot Valve)

ST45PA HAMMER (AIR CONSUMPTION CHART)

PANTHER SHANK