DTH HAMMER DS120

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DTH HAMMER DS120
The DS 12in DTH hammer has faster penetration, longer life, and less down time due to down hole failures.
- DIFFERENT SHANK DESIGN
- SUPERIOR TECHNOLOGY
- DELIVERS MORE ENERGY PER BLOW
- HARDENED PISTON FOR EXTENDED LIFE
Working pressure: 150 - 250
Application Bit: 11 7/8- 22
Feed Force(lbs.): 4,500 - 8,000
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DTH Hammer 12 in

SPECIFICATIONS DS-112 (IR DHD112) DS-112-S (IR DHD112S) DS-A120-Q (QL120) DST120S (SD12)
Weight (less bit) 1433 lbs 1565 lbs 1433 lbs 1433 lbs
Length (less bit) 71.4" 77" 67.5" 71.4"
Outside dia. 10.8" 10.8" 11.25" 10.8"
Piston weight 215 215 215 215
TOP SUB 6.58” API PIN 6.58” API PIN 6.58” API PIN 6.58” API PIN
Bit Range 11 7/8" - 15" 17 1/2" - 22" 11 7/8" - 17 1/2" 11 7/8" - 15"

AIR CONSUMPTION at Different Working Pressures
150 psi (scfm) 880
200 psi (scfm) 1250
250psi (scfm) 1700
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