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      Name：High air pressure without foot valve DTH hammers
    Input Date：2025-5-22 8:50:5
    This hammer maximises efficiency and develops greater power for any compressor capacities available.As a result the KD series of Hammers penetrate 15% to 30% faster than competative Hammers available in the market giving you an additional production at a lower unit cost.

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    • DTH hammer
    • DTH hammer
    • High air pressure without foot valve DTH hammers
    Brief

    This hammer maximises efficiency and develops greater power for any compressor capacities available.As a result the KD series of Hammers penetrate 15% to 30% faster than competative Hammers available in the market giving you an additional production at a lower unit cost.
    » Designed to suit high pressure drilling rigs. 
    » Water well drilling 
    » Record breaking penetration
    » Bench drilling 
    » Exploring Civil Engineering Applications 
    » Lowest cost per foot drilled 
    » Mining /Mineral Exploration 
    » Simple & robust design. Exploring Civil Engineering Applications 
    » Oil well drilling 
    » Foot Valve not required in the bit 
    » Longer parts life

     

     

    Model Length
    (mm)    		 Weight
    (Kg)    		 External diameter
    (mm)    		 Bit Shank Hole Range
    (mm)    		 Connection Thread Working Pressure
    (Mpa)    		 Impact rate at 1.7Mpa(HZ) Recommended rotation speed(r/min)
    KD25A 872 16 71 KD25 76-90 T42×10×1.5 1.0-1.5 25 22-35
    KD35A 888 25 82 IR3.5 90-115 API 23/8"Reg 1.0-1.5 25 25-40
    KD45A 1011 43.2 99 Cop44/DHD340 110-135 API 23/8"Reg 1.0-2.5 30 22-35
    KD45S 986 37 92 Cop44/DHD340 105-120 API 23/8"Reg 1.0-2.5 30 25-40
    KD55A 1110 69 125 Cop54/DHD350R 135-155 API 23/8"Reg 
    API 31/2"Reg    		 1.0-2.5 28 20-35
    KD55C(A) 1102 68 125 KD55C/DHD350Q 135-155 API 23/8"Reg 
    API 31/2"Reg    		 1.0-2.5 28 20-35
    KD55C 1160 72.5 125 KD55C/DHD350Q 135-155 API 23/8"Reg 
    API 31/2"Reg    		 1.0-2.5 25 20-35
    KD65A 1238 98 142 Cop64/DHD360 155-203 API 31/2"Reg 1.0-2.5 25 20-30
    KD75A 1258 120 165 Cop64/DHD360 175-216 API 31/2"Reg 1.0-2.5 23 20-30
    KD85A 1359 175 180 Cop84/DHD380 195-254 API 41/2"Reg 1.0-2.5 22 15-25
    KD1120A 1880 474 275 DHD1120 305-445 API 65/8"Reg 1.0-2.5 20 15-25
    KQL4A 1070 40 99 QL40 110-135 API 23/8"Reg 1.0-2.5 30 25-40
    KQL5A 1090 67 125 QL50 135-155 API 23/8"Reg 
    API 31/2"Reg    		 1.0-2.5 28 20-35
    KQL6A 1183 92 146 QL60 155-203 API 31/2"Reg 1.0-2.5 25 20-30
    KQL8A 1330 171 180 QL80 195-254 API 41/2"Reg 1.0-2.5 22 15-25
    KQL95A 1340 203 203 QL80 216-254 API 41/2"Reg 1.0-2.5 22 15-25
    KSD4A 1012 40 99 SD4 110-135 API 31/2"Reg 1.5-2.0 30 25-40
    KSD5A 1090 70 125 SD5 135-155 API 23/8"Reg
    API 31/2"Reg    		 1.0-2.5 28 20-35
    KSD6A 1182 90 146 SD6 155-203 API 31/2"Reg 1.0-2.5 25 20-30
    KSD8A 1330 174 180 SD8 195-254 API 41/2"Reg 1.0-2.5 22 15-25
    KSD10A 1525 316 226 SD10 254-311 API 65/8"Reg 1.0-2.5 20 15-25
    KSD12A 1860 480 275 SD12 305-445 API 65/8"Reg 1.0-2.5 20 15-25
    KM4A 1005 40 99 M4 110-135 API 23/8"Reg 1.0-2.5 30 25-40
    KM5A 1110 68.5 125 M5 135-155 API 23/8"Reg 
    API 31/2"Reg    		 1.0-2.5 28 20-35
    KM6A 1161 90 146
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