The team has taken component in the generating and revising of ISO/TC100 intercontinental chain regular numerous several years in achievement and hosted the sixteenth ISO/TC100 Intercontinental yearly assembly in 2004. our merchandise are offering effectively in the American, European, South American and Asian marketplaces. There is a technological center of province amount, EPG academician operating station, experiment station for EPG publish physicians, and nationwide 863 software established up in EPG group. With these platforms and strong specialized ability, the far more than four hundred professionals have designed all variety of particular high exact and higher strength merchandise, executed mold plans for important components in the automobile and countrywide market revitalizing plan, ensuing much more than 5000 created in excess of, between which 33 items are autonomous patent technology with four patent accredited . Reverse Circulation Hammers amp Bits
Roschen gives a full line of Reverse Circulation hammers and spare components, which can replace Roschen series Reverse Circulation Hammers amp Bits. Hammers are accessible in a extensive variety of dimensions and variations, to give maXiHu (West EPT) Dis.mum functionality and EPTTevity on all RC drilling positions.
Reverse Circulation hammers are created with an inner sample tube that extends by means of the cEPTTr and into the leading of the hammer little bit. The RC hammer exhausts the air amongst the little bit splines and above the encounter of the bit. This forces the sample into the restoration holes in the experience of the little bit, by way of the cEPTTr of the hammer and upward via the drill rod interior tubes to the area for EPTion. The use of a shroEPTTor collar is essential when a RC hammer is used, to support direct the return air and cuttings up through the confront of the little bit.
Conventional DTH hammers can also be utilized in RC drilling operations, but improve the potential for sample loss and contamination. A traditional DTH hammer is used in conjunction with a cross-more than sub located between the hammer and drill rod. The sample travels from the confront of the bit up the outside the house of the hammer and into the cross-above sub.
The sub directs the sample up the cEPTTr of the dual wall rods and to the surface.
REVERSE CIRCULATION EPTT EPTMMERS AND BITS
We supply a total range of reverse circulation down the gap hammers and bits, to match all depths and ground situations.
Because of to its high-high quality sample final results, and pace of operation for shallower holes, reverse circulation drilling is becoming more and more well-known about the world. In truth, it truly is the most commonly recognized chip sampling strategy. This is mainly owing to our progressive styles, and we’re continuing to deveXiHu (West EPT) Dis.Hu (West EPT) Dis. the capabilities of this worthwhile sampling method. EPT with Roschen for your reverse circulation down hole hammer drilling.
Benefits:
1. EPT penetration rates in all rock problems
two. EPTT samples from locations of misplaced circulation
3. Huge, uncontaminated sample return
four. Increased EPTTevity implies decrease EPT for each meter
5. The selection of diamond-improved carbide bits for deep and abrasive drilling circumstances, with no bits sharpening needed
| RC Hammer selection | |
| Hammer model | Hole range |
| RE531 | 86 mm – 102 mm (3 #8540 in. – four in.) |
| RE542 | 118 mm – 133 mm (4 #8541 in. – five frac14 in.) |
| RE543 | 124 mm – 133 mm (four #8542 in. – 5 frac14 in.) |
| RE545 | 127 mm – 140 mm (five in. – five frac12 in.) |
| RE120 | 127 mm – a hundred and forty mm (5 in. – five frac34 in.) |
| RE040 | 127 mm – a hundred and forty mm (five in. – five frac12 in.) |
| RE052 | 133 mm – 143 mm (five #8540 in. – five #8541 in.) |
| RE054 | 137 mm – 146 mm (five #8540 in. – five frac34 in.) |
| Hammer | Bit EPTk | Hole Variety(mm) | Exterior Diameter(mm) | Length (without having little bit)mm | Fat | EPTion Thread | Working Pressure |
| RE531 | RE531 | 84-one hundred | eighty one | 1069 | 29 | 3 quot Remet | 1.-three.0Mpa |
| RE004 | RE004 | 111-127 | 107 | 1252 | 52 | three.5 quot-4 quot Remet four quot Metzke |
1.-3.0Mpa |
| RE542 | RE542 | 113-a hundred thirty | 109.five | 1191 | fifty seven | three.five quot-four quot Remet 4 quot Metzke |
1.-three.0Mpa |
| RE543 | RE543 | a hundred and twenty-one hundred thirty five | 116 | 1191 | sixty two | 3.5 quot-4 quot Remet 4 quot Metzke |
1.-three.0Mpa |
| RE545 | RE545 | 122-135 | 117.5 | 1261 | sixty five | four quot-four.five quotRemet 4 quot-four.five quotMetzke | 1.5-3.5Mpa |
| RE547 | RE547 | 130-146 | 124.5 | 1270 | seventy one | 4.5 quotRemet 4.five quotMetzke | one.5-three.5Mpa |
| PR40 | PR40 | 124-142 | a hundred and twenty.five | 1362 | eighty.five | three.five quot-four.five quotRemet 3.5 quot-four.five quotMetzke | 1.5-3.5Mpa |
| PR52 | PR52 | 126-142 | 121 | 1227 | sixty eight.five | 4 quot-4.five quotRemet 4 quot-4.five quotMetzke | one.5-3.5Mpa |
| PR52R | PR52/PR52R | one hundred thirty-146 | 124 | 1225 | sixty five | 4 quot-four.five quotRemet 4 quot-four.5 quotMetzke | one.five-three.5Mpa |
| PR54 | PR54 | a hundred thirty five-one hundred fifty | 130 | 1294 | eighty four.5 | 4.five quotRemet four.five quotMetzke | 1.five-3.5Mpa |
| MX5456 | MX5456 | 136-one hundred fifty | 132 | 1362 | ninety | four.5 quotRemet 4.5 quotMetzke | one.5-3.5Mpa |
| RC62/RC62R | RC62/RC62R | 152-190 | 146 | 1320 | one hundred ten | As Request | one.five-3.5Mpa |
| RC82/RC82R | RC82/RC82R | one hundred ninety-250 | one hundred eighty | 1395 | 185 | As Ask for | one.5-three.5Mpa |
| RC100/RC100R | RC100/RC100R | 250-370 | 240 | 1528 | 328 | As Ask for | one.five-3.5Mpa |
EPT RC hammer technological information:
| EPT RC Hammers Specifications | |||||||||
| Hammer Dimensions | Hammer | Bit EPTk | EPT Code | Hole Range (mm) | Exterior Diameter (mm) | Length (with out bit) mm | WeigEPTT (N.W.) kgs | EPTion Thread | Working Strain |
| 3 quot | RE531 | RE531 | ROS RC thirty | 84-100 | eighty one | 1069 | 29 | 3 quot Remet | 1.-3.0Mpa |
| 3 quot | RE035 | RE035 | ROS RC 35 | eighty four-105 | eighty five | 1075 | 35 | 3 quot Remet | one.-3.0Mpa |
| four 1/two quot | RE004 | RE004 | ROS RC forty | 111-127 | 107 | 1252 | fifty two | three.five quot-4 quot Remet four quot Metzke | one.-3.0Mpa |
| four 1/two quot | RE540 | RE540 | ROS RC forty five | 111-127 | 107 | 1252 | 52 | three.5 quot-4 quot Remet four quot Metzke | 1.-3.0Mpa |
| 5 quot | RE040 | RE040 | ROS RC 50 | 113-one hundred thirty | 109.5 | 1191 | fifty seven | three.5 quot-four quot Remet 4 quot Metzke | one.-three.0Mpa |
| 5 quot | RE542 | RE542 | ROS RC fifty | 113-one hundred thirty | 109.5 | 1191 | fifty seven | three.5 quot-four quot Remet four quot Metzke | one.-three.0Mpa |
| 5 quot | RE543 | RE543 | ROS RC fifty | a hundred and twenty-one hundred thirty five | 116 | 1191 | sixty two | three.5 quot-4 quot Remet 4 quot Metzke | 1.-3.0Mpa |
| five quot | RE545 | RE545 | ROS RC fifty | 122-a hundred thirty five | 117.5 | 1261 | sixty five | four quot-4.5 quotRemet 4 quot-four.five quot Metzke | one.five-3.5Mpa |
| five 1/2 quot | RE547 | RE547 | ROS RC 55 | a hundred thirty-146 | 124.5 | 1270 | 71 | 4.5 quotRemet 4.5 quot Metzke | 1.5-3.5Mpa |
| five one/2 quot | RE052 | RE052 | ROS RC 55 | 130-146 | 124.five | 1270 | 71 | four.5 quotRemet four.five quot Metzke | one.5-three.5Mpa |
| 5 three/four quot | RE054 | RE054 | ROS RC fifty five | a hundred thirty-146 | 124.5 | 1270 | 85 | four.5 quotRemet four.five quot Metzke | one.5-three.5Mpa |
| five three/four quot | RE140 | RE140 | ROS RC 55 | one hundred thirty-146 | 124.five | 1270 | eighty five | four.5 quotRemet 4.five quot Metzke | 1.five-three.5Mpa |
| five quot | PR40 | PR40 | ROS RC fifty | 124-142 | a hundred and twenty.five | 1362 | 80.5 | 3.5 quot-four.5 quot Remet 3.5 quot-4.five quot Metzke | 1.five-3.5Mpa |
| 5 1/2 quot | PR52 | PR52 | ROS RC fifty five | 126-142 | 121 | 1227 | 68.5 | four quot-four.five quotRemet 4 quot-four.5 quot Metzke | 1.5-three.5Mpa |
| five one/two quot | PR52R | PR52/PR52R | ROS RC 55 | a hundred thirty-146 | 124 | 1225 | sixty five | four quot-four.5 quotRemet four quot-4.5 quot Metzke | 1.5-three.5Mpa |
| five one/two quot | PR54 | PR54 | ROS RC fifty five | 135-one hundred fifty | 130 | 1294 | 84.5 | four.five quotRemet 4.5 quot Metzke | 1.5-3.5Mpa |
| 6 quot | MX5456 | MX5456 | ROS RC sixty | 136-150 | 132 | 1362 | ninety | four.five quotRemet 4.five quot Metzke | 1.5-3.5Mpa |
| 6 quot~6 1/2 quot | RC62/RC62R | RC62/RC62R | ROS RC sixty five | 152-190 | 146 | 1320 | a hundred and ten | As Ask for | one.5-3.5Mpa |
| eight quot | RC82/RC82R | RC82/RC82R | ROS RC eighty | 190-250 | a hundred and eighty | 1395 | 185 | As Request | 1.five-three.5Mpa |
| ten quot | RC100/RC100R | RC100/RC100R | ROS RC one hundred | 250-370 | 240 | 1528 | 328 | As Ask for | 1.5-3.5Mpa |
| Notes: | |||||||||
| Metzke, Remet thread is accessible! | |||||||||
| Any EPTT kind shank of RC Hammer will be offered by requests. | |||||||||
RC bits dimensions available:
Specification:
one) 3 quot RC bits diameter 84mm-100mm shank RE531
two) 4” RC Bits:Diameter (104mm-127mm) EPTk kind: RE004/RE004RRE542
3) 5” RC Bits:Diameter(113mm-146mm) EPTk variety: RE543,RE545,RE547PR40,PR52,PR54 MX5456
four) 6” RC Bits: Diameter(152-190mm) EPTk kind: RC62/RC62R
5) 8” RC Bits: Diameter(one hundred ninety-250mm) EPTk sort: RC82/RC82R
6) 10” RC Bits: Diameter(250-370mm) EPTk variety: RC100/RC100R.
Other dimensions can be on to customer’s requirements
We can also offer associated merchandise DTH hammers and bits, ODEX technique, symmetrix methods, slide block drilling methods, etc and DTH drilling pipes for various thread API REG, API IF, BEPTT, and many others
FAQ
Q: Are you a company or trading company?
A: We are a EPTTized maker.
Q: What are your major products, and utilized for?
A: Our goods incEPTT core bit, PDC little bit, reaming shell, main barrel, casing, drill rod, SPT products, Shelby sampler, drill rig and other drilling parts.
They are used for EPTral exploration, geological drilling, geotechnical engineering and soil sampling.
Q: How about the delivery phrases?
1. Payment: T/T, L/C, Western EPT, Paypal, thirty% deposit in EPT and rest prior to delivery.
two. Min. orEPTTquantity: 1 piece.
three. EPT: By DHL/TNT/Fedex express, air, sea, prepare.
Q: How about price reduction?
A: Price is dependent on merchandise and orEPTTquantity.
Q: Do you acknowledge sample get?
A: Indeed confident, please make contact with us for particulars.
Q: How about your after-sales service?
A: As a maker, we offer you promt EPT assist for all issues and queries. Apart from, we acknowledge products return or substitute for good quality difficulty.
Q: How does your organization handle the good quality?
A: EPTT first. In orEPTTto assure substantial high quality for our merchandise, Roschen alwaEPTTmakes a serious inspection for all products and uncooked materials in rigorous process. We have received certification of ISO9001:2000 in 2004.
For far more details, remember to speak to:
EPT INC.
EPT EPT Minimal
EPT EPTTS Restricted
Website: http:// http://www.roschen.web
