Product Description

TDD  Reverse circulation DTH hammer

The DTH hammer flushes cuttings out of the hole on the outside of the hammer ,while the RC hammer

Advantages of TDD Reverse circulation  DTH hammers:

1. Low energy consumption, high impact energy and high energy transfer efficiency.

2. Strong chip removal capability and high drilling efficiency.

3. Reduce accidents in the hole.

4. Rock samples take high efficiency and no pollution.

Different designing makes TDD Reverse circulation DTH drill hammers are suitable for various Physical exploration and Complex formation conditions.

Technical parameters of TDD Reverse circulation DTH Hammer 

Product Name	F335	F345	F355	F365	F385	F3105	F3125
Outer Diam（mm)	∮85	∮105	∮124	∮154	∮190	∮245	∮270
Length（mm）	1143	1281	1292	1345	1578	1440	1430
Center Opening Diam（mm)	∮33	∮36	∮36	∮61	∮61	∮75	∮85
Working Pressure（Mpa)	0.7-2.1	0.7-2.1	0.8-2.1	0.8-2.1	0.8-2.1	0.8-2.4	0.8-2.4
Air Consumption（m3/min)	4.2-11.7	5.7-14.2	6.5-19.3	9-18	12-30.8	15-34	20-37.8
Lmpact frequency	≥800	≥800	810-1200	600-1100	660-1208	600-1230	600-1150
Top sub (Connection to drill string)	API 2-3/8’’ Box	API2-7/8’’ Box	T91-3 Box	API4-1/2’’ Box	API4-1/2’’ Box	API4-1/2’’ Box	API4-1/2’’ Box
Drilling Diameter（mm)	∮95-105	∮115-130	∮130-155	∮160-216	∮203-254	∮254-305	∮311-381

We can supply all series of drilling equipment and drilling tools

By using high-quality raw materials, utilizing advanced craft technologies and imposing strict quality inspection, the product range covers:Down the hole hammer and bits(dth hammers and dth bits),drill pipes, threaded drilling bits, reverse circulation hammers and bits, shank adapters and coupling sleeves, drilling rig, air compressor and spare parts for drill equipment.

1、TDD have been focusing on well drilling field for 16 years,TDD ,Born for drilling.

2、Rich experience on well drilling construction sites,

3、Technical support and whole drilling equipment supplied by TDD company

4、TDD is awarded the national patents on many inventions,TDD continue to increase investment in research and development, technological innovation.

5、TDD offer professional logistics solution based on LCL and FCL by air, sea ,also land way.

TDD Reverse circulation DTH hammer  is very popular in international  Physical exploration and Complex formation field.

We offer LCL and FCL services by air, sea ,also land way to Russia.

If you want to know more products,please enter TDD official website:http://www.jingangsupuman.com