Reverse circulation hammer
Compressed air flows into the annular space of the double wall drill pipe, then into the RC hammer, and reach to the bottom of the hole, and carries the cuttings out off the hole through the sample tube of the RC hammer, and back to the ground by the inner pipe of drill pipe.
Accurate sampling;
Compared with conventional drilling tools,RC tools flush cuttings inside the pipe with small resistance to effect;
Special custom made alloy steel is adopted for sampling tube and shroud, the surface of sampling tube is hardened.
|
Model |
Connection thread |
Outer diameter |
Rec. hole size |
Length without bit |
Weight |
|
RE543 RC hammer |
Remet 4"/ Metzke 4" |
116mm |
124-140mm |
1191mm |
61kg |
|
RE545 RC hammer |
Remet 4"/ Metzke 4" |
118mm |
127-146mm |
1210mm |
64kg |
|
PR40 RC hammer |
Remet 4.5"/ Metzke 4.5" |
121mm |
130-146mm |
1234mm |
73kg |
|
PR52 RC hammer |
Remet 4.5"/ Metzke 4.5" |
126mm |
133-146mm |
1272mm |
68kg |
|
PR54 RC hammer |
Remet 4.5"/ Metzke 4.5" |
130mm |
137-160mm |
1294mm |
82kg |
|
ITEM DESCRIPTION |
|
| NO | PART LIST |
| 1 |
HOLE RING |
| 2 |
ADAPTOR TUBE |
| 3 |
O RING FOR ADAPTOR TUBE |
| 4 |
TOP SUB |
| 5 |
HOLE RING FOR THE INNER CYLINDER |
| 6 |
O RING FOR THE SAMPLE TUBE |
| 7 |
SAMPLE TUBE |
| 8 |
O RING FOR THE AIR SCREEN |
| 9 |
AIR SCREEN |
| 10 |
CHECK VALVE |
| 11 |
YRING |
| 12 |
SPRING |
| 13 |
O RING FOR TUBE SEAT |
| 14 |
TUBE SEAT |
| 15 |
O RING FOR INNER CYLINDER |
| 16 |
INNER CYLINDER |
| 17 |
PISTON |
| 18 |
OUTER CYLINDER |
| 19 |
O RING FOR BUSH DRIVE SUB |
| 20 |
BUSH DRIVE SUB |
| 21 |
O RING FOR CHUCK RING |
| 22 |
CHUCK RING |
| 23 |
SHROUD |
| 24 |
CHUCK SLEEVE |
|
ITEM DESCRIPTION |
|
| NO | PART LIST |
| 1 |
O RING |
| 2 |
HOLE RING |
| 3 |
ADAPTOR TUBE |
| 4 |
AXLE RING FOR ADAPTER TUBE |
| 5 |
TOP SUB |
| 6 |
ALUMINUM GASKET |
| 7 |
O RING |
| 8 |
AIR SCREEN |
| 9 |
O RING |
| 10 |
CHECK VALVE |
| 11 |
Y RING |
| 12 |
SRING |
| 13 |
TUBE SEAT |
| 14 |
O RING |
| 15 |
SAMPLE TUBE |
| 16 |
PISTON |
| 17 |
INNER CYLINDER |
| 18 |
O RING |
| 19 |
OUTER CYLINDER |
| 20 |
O RING |
| 21 |
BUSH DRIVE SUB |
| 22 |
O RING |
| 23 |
BIT RETAINER RING |
| 24 |
SHROUD |
| 25 |
CHUCK SLEEVE |
|
ITEM DESCRIPTION |
|
| NO | PART LIST |
| 1 |
TOP SUB |
| 2 |
ADAPTOR TUBE |
| 3 |
AIR SCREEN |
| 4 |
0 RING FOR AIR SCREEN |
| 5 |
AXLE RING FOR ADAPTER TUBE |
| 6 |
CHECK VALVE |
| 7 |
Y-RING |
| 8 |
SPRING |
| 9 |
UP RING |
| 10 |
RUBBER RING |
| 11 |
0 RING FOR AIR DISTRIBUTING SEAT |
| 12 |
AIR DISTRIBUTING SEAT |
| 13 |
0 RING FOR SAMLE TUBE |
| 14 |
SAMPLE TUBE |
| 15 |
ORING FOR TUBE SEAT |
| 16 |
TUBE SEAT |
| 17 |
INNER CYLINDER |
| 18 |
PISTON |
| 19 |
OUTER CYLINDER |
| 20 |
CHECK RING |
| 21 |
O RING |
| 22 |
BUSH DRIVE SUB |
| 23 |
O RING |
| 24 |
CHUCK RING |
| 25 |
SHROUD |
| 26 |
CHUCK SLEEVE |
|
ITEM DESCRIPTION |
|
| NO | PART LIST |
| 1 |
TOP SUB |
| 2 |
ADAPTOR TUBE |
| 3 |
AIR SCREEN |
| 4 |
0 RING FOR AIR SCREEN |
| 5 |
AXLE RING FOR ADAPTER TUBE |
| 6 |
CHECK VALVE |
| 7 |
YRING |
| 8 |
SPRING |
| 9 |
UP RING |
| 10 |
RUBBER RING |
| 11 |
0 RING FOR AIR DISTRIBUTING SEAT |
| 12 |
AIR DISTRIBUTING SEAT |
| 13 |
EXTERNAL 0 RING FOR SAMLE TUBE |
| 14 |
INTERNAL ORING FOR SAMPLE TUBE |
| 15 |
SAMPLE TUBE |
| 16 |
ORING FOR TUBE SEAT |
| 17 |
TUBE SEAT |
| 18 |
INNER CYLINDER |
| 19 |
PISTON |
| 20 |
OUTER CYLINDER |
| 21 |
BIT RETAINER RING |
| 22 |
0 ING FOR BUSH DRIVE SUB |
| 23 |
O RING FOR BUSH DRIVE SUB |
| 24 |
BUSH DRIVE SUB |
| 25 |
0 RING FOR CHUCK RING |
| 26 |
CHUCK RING |
| 27 |
SHROUD |
| 28 |
CHUCK SLEEVE |
|
ITEM DESCRIPTION |
|
| NO | PART LIST |
| 1 |
TOP SUB |
| 2 |
O RING FOR ADAPTOR TUBE |
| 3 |
ADAPTOR TUBE |
| 4 |
AIR SCREEN |
| 5 |
O RING FOR AIR SCREEN |
| 6 |
AXLE RING FOR ADAPTER TUBE |
| 7 |
CHECKVALVE |
| 8 |
YRING |
| 9 |
SPRING |
| 10 |
UP RING |
| 11 |
RUBBER RING |
| 12 |
ORING FOR AIR DISTR 旧 UTING SEAT |
| 13 |
AIR DISTRIBUTING SEAT |
| 14 |
EXTERNAL O RING FOR SAMLE TUBE |
| 15 |
INTERNAL O RING FOR SAMPLE TUBE |
| 16 |
SAMPLE TUBE |
| 17 |
O RING FOR TUBE SEAT |
| 18 |
TUBE SEAT |
| 19 |
INNER CYLINDER |
| 20 |
PISTON |
| 21 |
OUTER CYLINDER |
| 22 |
BIT RETAINER RING |
| 23 |
O RING FOR BUSH DRIVE SUB |
| 24 |
O RING FOR BUSH DRIVE SUB |
| 25 |
BUSH DRIVE SUB |
| 26 |
O RING FOR CHUCK RING |
| 27 |
CHUCK RING |
| 28 |
SHROUD |
| 29 |
CHUCK SLEEVE |
