China BR2 Medium Air Pressure DTH Hammer Manufacturers, Pricelist

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China BR2 Medium Air Pressure DTH Hammer Manufacturers, Pricelist

BR2 Medium Air Pressure DTH Hammer

BR SERIESÂ

BR1/BR2/BR3

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Product Description

BR1 Quarry Mining High Air Pressure DTH Hammer

BIR SERIES DTH Hammers: BR1 / BR2 / BR3

DESIGN HIGHLIGHTS

⚙️ Operating air pressures between 0.8Mpa and 1.5Mpa.

🔧 Valveless hammers with a simple structure for easy assembly and disassembly.

⚡ Higher impact frequency and faster drilling speed for maximum efficiency.

📉 Significantly lower air and oil consumption.

⛰️ Optimized design specifically suitable for quarrying environments.

⏳ Robust construction ensures a long service life under heavy use.

APPLICATIONS

Widely utilized across various demanding sectors including:

✔ Mine & Quarrying

✔ Road Construction

✔ Water Well Drilling

✔ Slope Protection

✔ Anchoring & Blasting

DTH Hammer Series Available

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

Product Specifications

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

BR2 DTH Hammers Detailed Parameters

Technical Specification	Value
Hammer Length without bit	810 (mm)
Top sub thread	RD50 BOX
Outside diameter	64 (mm)
Weight	12.5 (KG)
Bit diameter	70-90 (mm)
Working Pressure	0.8-1.5 MPa
Air consumption	3-4.5 (M3/min)
Bit shank	BR2

Frequently Asked Questions (FAQ)

What is the optimal working pressure for BR series hammers?

The recommended operating air pressure for these DTH hammers ranges between 0.8Mpa and 1.5Mpa, ensuring efficient performance across various rock types.

What are the main advantages of a valveless hammer design?

The valveless structure offers a simpler internal design, making it much easier to assemble and disassemble while providing a longer service life and higher impact frequency.

Can these hammers be used for water well drilling?

Yes, they are highly versatile and widely used for water well drilling, as well as quarrying, mine blasting, and road construction.

What size ranges do you supply for DTH hammers?

We supply a full range of sizes including 3.5 inch, 4 inch, 5 inch, 6 inch, 8 inch, and 10 inch models to fit various drilling hole requirements.

How does the air and oil consumption compare to other models?

The BIR series is designed with efficiency in mind, featuring lower air and oil consumption without sacrificing drilling speed or impact power.

What is the hole range for the 6-inch DHD360 model?

The 6-inch DHD360 hammer is designed for a hole range of Φ155mm to Φ190mm with an external diameter of Φ142mm.