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Hammers | Bit Shank | Connection Thread | Suitable bit | Air consumption | ||
1-3" Middle-low pressure | BR1 | RD40 box | Φ64-Φ76mm | 0.7 Mpa | 4.5 m3/min | |
DTH hammers | BR2 | RD50 box | Φ70-Φ90mm | 1.0 Mpa | 4 m3/min | |
BR3 | API 2 3/8" Reg | Φ90-Φ110mm | 1.4 Mpa | 5 m3/min | ||
3" hammers | DHD3.5 | API 2 3/8"Reg | Φ90-Φ110mm | 1.0 Mpa | 4.5 m3/min | |
COP32/COP34 | ||||||
M30 | 1.5 Mpa | 9 m3/min | ||||
4" hammers | DHD340 | API 2 3/8"Reg | Φ105-Φ130mm | 1.0 Mpa | 6 m3/min | |
COP44 | ||||||
QL40 | ||||||
SD4 | 1.8 Mpa | 10 m3/min | ||||
M40 | 2.4 Mpa | 15 m3/min | ||||
5" hammers | DHD350 | API 2 3/8"Reg | Φ130-Φ156mm | 1.0 Mpa | 9 m3/min | |
COP54 | API 3 1/2"Reg | |||||
QL50 | ||||||
SD5 | 1.8 Mpa | 15 m3/min | ||||
M50 | 2.4 Mpa | 23 m3/min | ||||
6" hammers | DHD360 | API 3 1/2"Reg | Φ152-Φ203mm | 1.0 Mpa | 10 m3/min | |
COP64 | ||||||
QL60 | ||||||
SD6 | 1.8 Mpa | 20 m3/min | ||||
M60 | 2.4 Mpa | 28.5 m3/min | ||||
8" hammers | DHD380 | API 4 1/2"Reg | Φ200-Φ279mm | 1.0Mpa | 15m3/min | |
COP84 | ||||||
QL80 | ||||||
SD8 | 1.8Mpa | 26m3/min | ||||
M80 | 2.4Mpa | 34m3/min | ||||
10" hammers | SD10 | API 6 5/8"Reg | Φ254-Φ330mm | 1.0Mpa | 22m3/min | |
NUMA100 | 1.8Mpa | 40m3/min | ||||
2.4Mpa | 55m3/min | |||||
12" hammers | DHD1120 | API 6 5/8"Reg | Φ305-Φ381mm | 1.0Mpa | 30m3/min | |
SD12 | ||||||
NUMA120 | 1.8Mpa | 56m3/min | ||||
NUMA125 | 2.4Mpa | 78m3/min |
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