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High Pressure Rock Drilling DTH Hammer with Foot Valve 3 - 12 inch Forging Processing

DHD340

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Description

High Pressure Rock Drilling DTH Hammer with Foot Valve 3 - 12 inch Forging Processing

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High pressure rock drilling DTH hammer with foot valve 3-12inch

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Introduction

It is a kind of valveless high air pressure DTH hammer with foot valve.

The rock hammer has the fellow advantages

1: Valveless air distribution. more reliable.

2. The rock impacter are simple design of the piston, long life.

3. More efficient energy transfter,faster drilling speed, lower air consumption and lower oil consumption.

4. Fewer internal parts, simple structure, long life, less failure and easier to maintain because all the parts are heat treated.

5. Easy to disassemble because the top sub, the drive chuck and the external cylinder are connected multi-step thread.

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Hammer shank available:
1. BR shank series: BR1, BR2, BR3;
2. Cop shank series: Cop32, Cop34, Cop44, Cop54, Cop64, Cop84;
3. DHD shank series: DHD3.5, DHD340,DHD350, DHD360, DHD380;
4. SD shank series: SD4, SD5, SD6, SD8, SD10, SD12, SD15, SD18;
5. Mission shank series: Mission40, Mission50, Mission 60, Mission 80;
6. QL shank series: QL30, QL40, QL50, QL60, QL80;
7. NUMA shank series: NUMA120, NUMA125, NUMA180, NUMA240;
Other?hammer shanks can be available according to customer& acute;s drawing or samples.

Technical Parameters of High air pressure DTH hammer with foot valve

Specification

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Model | External Diameter | Bit Shank | Hole Range | Working Pressure | Air Consumption |
?HD35 | 82mm | DHD3.5 | 90-110mm | 1.0-1.5Mpa | 1.0-1.5Mpa | 4.5-9m3/min |
?HD45 | 99mm | COP44?DHD340 | 110-135mm | 1.2-2.5Mpa | 1-2.4Mpa | 6-15m3/min |
HSD4 | 99mm | SD4 | 110-135mm | 1.2-2.5Mpa | 1-2.4Mpa | 6-15m3/min |
HQL4 | 99mm | QL40 | 110-135mm | 1.2-2.5Mpa | 1-2.4Mpa | 6-15m3/min |
? HD55 | 125mm | COP54??DHD350R | 135-155mm | 1.2-2.5Mpa | 1-2.4Mpa | 9-23m3/min |
HD55C | 125mm | HD55C?DHD350Q | 135-155mm | 1.0-2.5Mpa | 1-2.4Mpa | 9-23m3/min |
HSD5 | 125mm | SD5 | 110-135mm | 1.0-2.5Mpa | 1-2.4Mpa | 9-23m3/min |
HQL5 | 125mm | QL50 | 135-155mm | 1.0-2.5Mpa | 1-2.4Mpa | 9-23m3/min |
HD65 | 142mm | COP64?DHD360 | 110-135mm | 1.0-2.5Mpa | 1-2.4Mpa | 10-28.5m3/min |
HSD6 | 142mm | SD6 | 155-190mm | 1.0-2.5Mpa | 1-2.4Mpa | 10-28.5m3/min |
HQL6 | 146mm | QL60 | 155-190mm | 1.0-2.5Mpa | 1-2.4Mpa | 10-28.5m3/min |
HD85 | 180mm | COP84?DHD380 | 110-135mm | 1.0-2.5Mpa | 1-2.4Mpa | 15-34m3/min |
HSD8 | 180mm | SD8 | 110-135mm | 1.0-2.5Mpa | 1-2.4Mpa | 15-34m3/min |
HQL8 | 180mm | QL80 | 195-254mm | 1.0-2.5Mpa | 1-2.4Mpa | 15-34m3/min |
? HSD10 | 226mm | SD10 | 254-311mm | 1.0-2.5Mpa | 1-2.4Mpa | 22-55m3/min |
HN100 | 226mm | NUMA100 | 254-311mm | 1.0-2.5Mpa | 1-2.4Mpa | 22-60m3/min |
?HN1120 | 275mm | DHD1120 | 305-445mm | 1.0-2.5Mpa | 1-2.4Mpa | 30-78m3/min |
HSD12 | 275mm | SD12 | 305-445mm | 1.0-2.5Mpa | 1-2.4Mpa | 30-78m3/min |
HN120 | 275mm | HUMA120 | 305-445mm | 1.0-2.5Mpa | 1-2.4Mpa | 30-78m3/min |
?HN125 | 275mm | NUMA125 | 305-445mm | 1.0-2.5Mpa | 1-2.4Mpa | 30-78m3/min |
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