High-Quality DHD340 High Air Pressure DTH Hammer Factory, Factories

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High-Quality DHD340 High Air Pressure DTH Hammer Factory, Factories

DHD340 High Air Pressure DTH Hammer

BR1/BR2/BR3

DHD3.5/DHD340/DHD350/DHD360/DHD380

QL40/QL50/QL60/QL80

MISSION40/MISSION50/MISSION60/MISSION80

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Product Description

DHD340 Quarry Mining High Air Pressure DTH Hammer

DHD SERIES DTH Hammers

Available Models: DHD3.5 / DHD340 / DHD350 / DHD360 / DHD380

DESIGN HIGHLIGHTS

⚙️

DHD/QL/MISSION series is a valve less type hammers designed for high performance at low operating air pressure.

🛠️

Suitable bits have a strong robust design without foot valve to withstand heavy duty application.

⚡

DHD/QL/MISSION series hammers maximizes energy output and reduces service requirements.

💎

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

APPLICATIONS

These hammers are widely used for various industrial drilling needs, including:

Mine and quarry operations
Road construction drilling and blasting
Water well drilling
Slope protection and anchoring

DTH Hammer Series Specifications

Type	Model	Length (mm)	Weight (kg)	External Dia. (mm)	Hole Range (mm)
3.5 inch	DHD3.5	930	25	Φ82	Φ90-110
4 inch	DHD340	1030	39	Φ99	Φ110-135
	SD4	1084	40.5	Φ99
	QL4	1097	41	Φ99
	Mission40	1005	40	Φ99
5 inch	DHD350	1214	76.5	Φ125	Φ135-155
	SD5	1175	72.5	Φ125
	QL5	1147	73	Φ125
	Mission50	1110	68.5	Φ125
6 inch	DHD360	1248	100	Φ142	Φ155-190
	SD6	1261	100	Φ142
	QL6	1212	95	Φ146
	Mission60	1161	90	Φ146
8 inch	D85	1492	188	Φ180	Φ195-254
	SD8	1463	192	Φ180
	QL8	1465	182	Φ180
	Mission80	1338	176	Φ180
10 inch	SD10	1502	290	Φ226	Φ254-311
10 inch	NUMA100	1510	288	Φ226	Φ254-311

DHD340 DTH Hammers Detailed Data

Hammer Length without bit:	1032(mm)
Top sub thread:	API 23/8"REG PIN
Outside diameter:	99(mm)
Weight:	43(KG)
Bit diameter:	110-135(mm)
Working Pressure:	10-22(Bar)
Air consumption:	5.5-10(M3/min)
Bit shank:	DHD340

PRODUCT DISPLAY

Frequently Asked Questions (FAQ)

1. What is the primary advantage of the DHD340 DTH Hammer?

The DHD340 is a valveless hammer designed for high performance even at low operating air pressures, maximizing energy output while reducing maintenance needs.

2. What drilling applications are best suited for these hammers?

These hammers are ideal for quarrying, mining, water well drilling, and construction projects requiring efficient drilling and blasting.

3. What is the recommended hole diameter for the DHD340 model?

The DHD340 model is designed for a hole range between 110mm and 135mm.

4. How is the durability of the internal components ensured?

All critical internal components undergo strict heat treatment processes to ensure maximum tool longevity and resistance to wear.

5. Does the hammer require a foot valve?

No, the design utilizes robust bits that do not require a foot valve, making it suitable for heavy-duty applications.

6. What is the air consumption for the DHD340 hammer?

The DHD340 hammer has an air consumption rate of 5.5 to 10 M3/min depending on the working pressure.