12Inch DTH hammer DHD112 shank For Piling Drilling Foundation Water Well Rock Drilling

​1.Product Description

-----Valveless high air pressure DTH Hammer with foot valve.

-----Piston Weight is 115kg,Simple design of Piston can ensure the high impact frequency

-----More efficient energy transfer, faster drilling speed, lower air consumption.

-----All parts are heat treatment

-----Easy to maintain and disassembly

2.Detailed structure information

	Items	Part No
	1.Back Adapter	TH-DHD112-01
	2.Steel Pad Ring	TH-DHD112-02
	3.O ring	TH-DHD112-03
	4.Check Valve	TH-DHD112-04
	5.Check Valve Spring	TH-DHD112-05
	6.Belleville Spring	TH-DHD112-06
	7.Check Valve Guide	TH-DHD112-07
	8.Feed tube	TH-DHD112-08
	9.Outer Cylinder	TH-DHD112-09
	10.Piston	TH-DHD112-10
	11.Bush Drive Sub	TH-DHD112-11
	12.O ring	TH-DHD112-12
	13.Chuck Ring	TH-DHD112-13
	14.Steel Ring	TH-DHD112-14
	15.Chuck Sleeve	TH-DHD112-15
	16.Numa120 DTH bit	TH-DHD112-16

3.Product Application

-----Construction Foundation piling drilling,can match to Kinds of Drill Rig,like Drilltech,CASAGRANDE,Solimec

-----Water well drilling

-----Oil and Gas open hole drilling

4.Site information

Changsha Tianhe Drilling Tools and Machinery Co., Ltd., is a professional geotechnical drilling tools manufacturer since 2002. We’re located in Jinzhou New District,Ningxiang County, Changsha,Hunan province.Our main products include DTH (down-the-hole) hammers and bits with capacity of drilling holes from 64mm--1020mm in diameter, DTH drilling tools with large diameter for deep hole drilling, eccentric casing system (ODEX) and concentric casing system, reserve circulation hammers and bits, drilling rig, rock drilling accessories and other relative equipment. They are widely used in mining,water well and geothermal drilling, anchoring, foundation and infrastructure, piling,tunneling and other construction and geotechnical engineering. They are exported to Sweden,Swiss,Finland,Italy, France, Germany, Australia,South Korea,South Africa,Chile, Brazi and other 30 countries.Teamwhole is proved to be the right choice by more than 1000 customers all over the world.

Our registered capital is 6.5 million USD, and monthly capacity is about 1000 sets of hammers. We have about 300 employees,among them there are 80 specialized technicians,30 of them have over 20 years working experiences in DTH drilling tools research and development. We have the ISO9001:2008 certificate,over 30 technical patents, and 3 registered trademarks.We’re a council unit of China Drilling Steel and Drilling Tools Association,the director unit of China Heat Treatment Association, the well-known trademark enterprise of Hunan Province, the high-tech enterprise of Hunan Province, the geotechnical drilling equipment engineering of Changsha City Technology research center and enterprise technology center.

The company always guide themselves with the service concept "focus on users' requirements and meet to customers" needs " , flexibly apply the unique technology, strictly comply with the standards of ISO9001 quality system, professionally commit to research, development and application, and sincerely produce the rock drilling tools with most specifications, easy operation, reliable quality and good prices for all the global users. With strong technical strength, we are making efforts to creat the best brand of Chinese drilling tools, and to be the top manufacturer in the world.