NMLC Core Barrel For Diamond Core Drilling
NMLC Core Barrel For Diamond Core Drilling
ROSCHEN offers NMLC triple tube conventional core barrel for use with CR50/NW/NWJ/NWY rods. NMLC core barrel is designed to maximize core recovery in site investigation and core exploratory drilling programs. With NMLC core barrel it is possible to obtain near 100% volumetric core recovery in the most undisturbed condition possible using rotary core drilling equipment. They have been used for exploration of dam, bridge and building sites as well as the development of mineral resources. NMLC core barrel is available for application in metric 75mm size hole. NMLC core barrel consists of the NMLC head assembly , NMLC inner tube components, NMLC split tube components and NMLC outer tube components.
| NMLC Triple Tube Core Barrel Specification | ||
| NMLC Nonimal Parameter | mm | Inches |
| NMLC Hole Diameter(approx.) | 75.7 | 2.98 |
| NMLC Core Diameter(approx.) | 52 | 2.047 |
| NMLC Core Bit Set OD(approx.) | 75.3 | 2.965 |
| NMLC Core Bit Set ID(approx.) | 52 | 2.047 |
| NMLC Reaming Shell Set OD(approx.) | 75.7 | 2.98 |
NMLC Diamond Drilling Core Barrel Standard Configuration
1-NMLC Head Assembly
2-NMLC Inner Tube
3-NMLC Stop Ring
4-NMLC Core Lifter
5-NMLC Core Lifter Case
6-NMLC Pump Out valve assembly
7-NMLC Split tube
8-NMLC Outer Tube
9-NMLC thread protector
NOTE：
(1) NMLC core bit and reaming shell are not included
(2) 1.5m/5ft, 3m/10ft, 4.5m/15ft and 6m /20ft NMLC core barrels are available
(3) Plastic core liner is available in NMLC size
Best regards,
Phiger Leo
Direct Line: 0086-137-6419 5009
WeChat/WhatsApp:: +86-137-6419 5009
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ROSCHEN@ INC.
ROSCHEN@ GROUP LIMITED
ROBERT ROSCHEN@ LIMITED
ROSCHEN@ HOLDINGS LIMITED
HEFEI ROSCHEN@ TOOL CO., LTD.
ROSCHEN@ GEOLOGICAL TOOL CO.,LTD.
SHANGHAI ROSCHEN@ INTERNATIONAL CO., LTD.
ROSCHEN@ GEOLOGICAL INSTRUMENTS CO., LTD.
EMAIL: roschen@roschen.com ; roschen@roschen.net
Website: http://www.roschendrill.com
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http://www.roschendrilling.com
http://www.explorationcoredrilling.com
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http://www.roschen.cn
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