DHD350 QL50 DTH Hammer and Bits - High Pressure 1.8-2.5 MPa for 5000m Deep Hole Drilling
Price:
USD800-3000/set
MOQ:
1 set
Delivery Time:
15-30 days
Product Description
DHD350 QL50 High Pressure DTH Hammer and Bits
Product Overview
High air pressure Down The Hole (DTH) hammer and bits system designed for demanding mining, quarry, water well drilling, and rock drilling applications. Engineered for deep-hole drilling operations reaching depths of 5000 meters or more.
DTH Hammer Types by Pressure Rating
- Low Air Pressure: 0.5-0.7 MPa
- Middle Air Pressure: 0.7-1.8 MPa
- High Air Pressure: 1.8-2.5 MPa
Key Performance Advantages
- Non-Blocking Design: S-series hammers ensure extremely low blocking rates during operation
- High Efficiency: Larger impact frequency and torque deliver faster penetration with 10% efficiency improvement
- Extended Service Life: Anti-friction and intensified surface treatments enable reliable performance in deep-hole drilling up to 5000 meters
- Superior Cleaning: Large air output specifically designed for water well applications, effectively flushing cuttings in deep holes
- Broad Compatibility: Compatible with DHD, QL, and Mission hammer and bit systems
DTH Hammer Specifications
| Hammers | Bit Shank | Connection Thread | Suitable Bit | Working Pressure | Air Consumption |
|---|---|---|---|---|---|
| 1-3" Middle-low pressure | BR1, BR2, BR3 | RD40 box, RD50 box, API 2 3/8" Reg | Φ64-Φ110mm | 0.7-1.75 MPa | 4-5 m³/min |
| 3" hammers | DHD3.5, COP32/34, M30 | API 2 3/8" Reg | Φ90-Φ110mm | 1.0-1.5 MPa | 4.5-9 m³/min |
| 4" hammers | DHD340, COP44, QL40, SD4, M40 | API 2 3/8" Reg | Φ105-Φ130mm | 1.0-2.5 MPa | 6-15 m³/min |
| 5" hammers | DHD350, COP54, QL50, SD5, M50 | API 2 3/8" Reg, API 3 1/2" Reg | Φ130-Φ156mm | 1.0-2.5 MPa | 9-23 m³/min |
| 6" hammers | DHD360, COP64, QL60, SD6, M60 | API 3 1/2" Reg | Φ152-Φ203mm | 1.0-2.5 MPa | 10-28.5 m³/min |
| 8" hammers | DHD380, COP84, QL80, SD8, M80 | API 4 1/2" Reg | Φ200-Φ279mm | 1.0-2.5 MPa | 15-34 m³/min |
| 10" hammers | SD10, NUMA100 | API 6 5/8" Reg | Φ254-Φ330mm | 1.0-2.5 MPa | 22-55 m³/min |
| 12" hammers | DHD1120, SD12, NUMA120, NUMA125 | API 6 5/8" Reg | Φ305-Φ381mm | 1.0-2.5 MPa | 30-78 m³/min |
DTH Bit Specifications
| Hammer Inch | Bits Diameter (Metric) | Bits Diameter (Inch) | Shank Type |
|---|---|---|---|
| 1" | 64mm-70mm | 2 1/2"-2 3/4" | BR1 |
| 2" | 70mm-95mm | 2 3/4"-3 3/4" | MACH20/BR2 |
| 3" | 90mm-102mm | 3 1/2"-4" | COP32/34, MACH303, M30, DHD3.5, BR3 |
| 4" | 105mm-152mm | 4 1/8"-6" | COP44, DHD340, MACH44, SD4, M40, QL40 |
| 5" | 133mm-165mm | 5 1/4"-6 1/2" | COP54, DHD350R, MACH50, SD5, M50, QL50, BR5 |
| 6" | 152mm-254mm | 4 1/8"-10" | COP64, DHD360, SD6, M60, QL60, Bulroc BR6 |
| 8" | 203mm-330mm | 8"-13" | COP84, DHD380, SD8, QL80, M80 |
| 10" | 254mm-380mm | 10"-15" | SD10, NUMA100 |
| 12" | 305mm-508mm | 12"-20" | DHD1120, SD12, NUMA120, NUMA125 |
Contact Information
Dongying OilMan Machinery Equipment Co.
Address: North Two Road, Dongying City, Shandong Province, China
Mobile/WhatsApp/WeChat: +86 13475294399
Email: christal@oilmancn.com
Similar Products
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Dongying Oilman Machinery Equipment Co.,Ltd.
Location
www.oilmanchina.com
Contact Person
Christal