High-Quality DHD380 High Air Pressure DTH Hammer Manufacturer, Pricelist

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High-Quality DHD380 High Air Pressure DTH Hammer Manufacturer, Pricelist

DHD380 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

DHD380 Quarry Mining High Air Pressure DTH Hammer

DHD SERIES DTH Hammers: DHD3.5 / DHD340 / DHD350 / DHD360 / DHD380

Design Highlights

DHD/QL/MISSION series is a valveless type hammer 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 maximize energy output and reduce service requirements.
Wear sleeve is not reversible.
All critical internal components are heat treated under strict control to maximize tool longevity.

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Applications

Widely used for mine, quarry, road construction for the drilling and blasting work, water well drilling, slope protection, anchoring, etc.

Available DTH Hammers Series:

High pressure series
Medium pressure series
Low pressure series
High efficiency high pressure series
Reverse circulation series

Type	Model	Length	Weight	External Dia.(mm)	Hole Range
Type	Model	(mm)	(kg)	External Dia.(mm)	(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

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DHD380 DTH Hammers Specifications

Hammer Length without bit	1492 (mm)
Top sub thread	API 4 1/2" REG PIN
Outside diameter	180 (mm)
Weight	190 (KG)
Bit diameter	195-254 (mm)
Working Pressure	15-33 (Bar)
Air consumption	26-34 (M3/min)
Bit shank	DHD380

Frequently Asked Questions

What are the primary applications for the DHD380 DTH Hammer?

The DHD380 is widely used in mining, quarrying, road construction for drilling and blasting, as well as water well drilling, slope protection, and anchoring.

What is the advantage of the valveless design in these hammers?

The valveless design allows for high performance even at low operating air pressures, maximizes energy output, and reduces overall maintenance and service requirements.

What range of hole sizes can the DHD380 hammer drill?

The DHD380 hammer is suitable for hole ranges between Φ195mm and Φ254mm.

Is the wear sleeve on the DHD series reversible?

No, the wear sleeve for the DHD series hammers is specifically designed to be non-reversible.

How is the durability of the internal components ensured?

All critical internal components undergo a strict heat treatment process to maximize tool longevity and withstand heavy-duty applications.

What is the required air consumption for operating the DHD380?

The DHD380 typically requires an air consumption between 26 and 34 M3/min depending on the operating pressure.