PriceList for Down The Hole Hammer Operation - Concentric casing system with wings – Spark

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Our focus on should be to consolidate and enhance the quality and repair of present products, in the meantime constantly establish new products to meet unique customers' requires for Dhd350 Dth Hammer, Down The Hole Drill Rod, Rotary Rock Drill Bits, We warmly welcome clients, enterprise associations and mates from all over the globe to speak to us and find cooperation for mutual rewards.

PriceList for Down The Hole Hammer Operation - Concentric casing system with wings – Spark Detail:

Application

Applicable for land surface covered, with loose material such as soil, clay, weathered rock sand.

Component parts

Concentric casing system with wings

Operation procedure

Concentric casing system with wings2

Step1: When drilling starts, the system drives the casing shoe and casing tube move down.
Step2: When reaching the bedrock, lift up the block system, the blocks will closed, reverse rotation and pull out the block system from the hole.
Step3: If the hole have reach the desired depth, finish the drilling and continue other process.
Step4: If you still want to drill deeper, use the conventional DTH bit to drill to the desired depth.

Advantages

The locking kit is very reliable, it prevents the wings falling off.
Ralated part list

Concentric casing system with wings2

Specification of concentric casing system with blocks

Concentric casing system with wings7

	D		h	H	C	G
Model	O.D. of Casing Tube (mm)	I.D. of Casing Tube (mm)	Wall thickness (mm)	Guide device max. Dia. (mm)	Reamed Dia. (mm)	Min. I.D. of Casing shoe (mm)	Qty. of the wings	Hammer Type	Weight（KG）
T90	114	101	6.5	99	125	90	2	COP34/DHD3.5	15
T115	146	126	10	124	157	117	2	COP44/DHD340/SD4/QLX40	20.3
T136	168	148	10	146	180	136	2	COP54/DHD350/SD5/QL50	33.4
T142	178	158	10	154	195	142	2	COP54/DHD350/SD5/QL50	38.8
T160	194	174	10	172	206	160	2	COP54/DHD350/SD5/QL50	46.4

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Our corporation insists all along the quality policy of product top quality is base of organization survival; purchaser pleasure will be the staring point and ending of an company; persistent improvement is eternal pursuit of staff plus the consistent purpose of reputation very first, purchaser first for PriceList for Down The Hole Hammer Operation - Concentric casing system with wings – Spark , The product will supply to all over the world, such as: Pakistan, Mecca, Nicaragua, We will not only continuously introduce technical guidance of experts from both home and abroad, but also develop the new and advanced products constantly to satisfactorily meet the needs of our clients all over the world.

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The factory technical staff not only have high level of technology, their English level is also very good, this is a great help to technology communication.