High Air Pressure DHD350 Breakout Bench Drilling DTH Drill Hammer Price

Price Negotiable

Price: Negotiation

MOQ: 1

Delivery Time: 15-20days

Brand: MIROC

Product Description

Tungsten Carbide Underground Mine Bits Spherical Face High Air Pressure DTH Bits

Features:

1. Simple and reasonable design, easy to assemble and dis-assemble, low problem rate.
2. Low air consumption, smooth drilling, maximum impact power, high penetration rate.
3. Multiple precise heat-treatment with all hammer parts to provide longest lifespan under roughest working conditions.

DTH Hammer Specification

Description	Weight(kg)
Description	N100	N120	N125
1.Top sub	59.00	70.00	70.00
2. O-ring Of Top Sub	0.03	0.04	0.04
3.Breakout Ring	0.40	0.80	0.80
4.Check Valve	1.60	3.00	3.00
5. Spring	0.30	0.10	0.10
6. Compression Buffer	0.60	1.00	1.00
7. Air Distributor	11.50	20.00	20.00
8. Internal cylinder	11.00	23.00	23.00
9. Piston	62.00	125.00	125.00
10. External Cylinder	112.00	170.00	170.00
11. Guided Sleeve	-	18.00	-
12. O-ring Of Stop Ring	0.03	0.04	0.01
13. Stop Ring	1.50	4.50	4.00
14. Breakout Ring	0.40	0.80	0.80
15. Drive Chuck	26.00	49.00	45.00
16. Drill Bit	115.00	120.00	175.00
Technical Data
Model	N100	N120	N125
Length (Without Bit)	1510mm	1900mm	1900mm
Weight (Without Bit)	288.00kg	485.00kg	480.00kg
External Diameter	φ226mm	φ275mm	φ275mm
Bit Shank	NUMA100	NUMA120	NUMA125
Hole Range	φ254 - φ311mm	φ305- φ445mm	φ305- φ445mm
Connection Thread	API 4 1/2 '' Reg, API 6 5/8 '' Reg	API 6 5/8 '' Reg	API 6 5/8 '' Reg
Working Pressure	2.0 - 3.5 Mpa	2.0 - 3.5 Mpa	2.0 - 3.5 Mpa
Impact Rate at 17 Bar	18HZ	16HZ	16HZ
Recommended Rotation Speed	15 - 25 r/min	15 - 25 r/min	15 - 25 r/min
Air Consumption	1.0Mpa: 22 m³/ min	1.0Mpa: 30 m³/ min	1.0Mpa: 30 m³/ min
	1.8Mpa: 45 m³/ min	1.8Mpa: 56 m³/ min	1.8Mpa: 56 m³/ min
	2.4Mpa: 60 m³/ min	2.4Mpa: 78 m³/ min	2.4Mpa: 78 m³/ min