|
Item |
Part Number |
Description |
|
1 |
MDC7001 |
Top Sub |
|
2 |
MDC7002 |
Valve Seal |
|
3 |
MDC7003 |
Check Valve |
|
4 |
MDC7004 |
Check Valve With Spring |
|
5 |
MDC7005 |
Steel Pad Ring |
|
6 |
MDC7006 |
Rubber Ring |
|
7 |
MDC7007 |
Valve Cover |
|
8 |
MDC7008 |
Valve |
|
9 |
MDC7009 |
Spring Type Straight Pins |
|
10 |
MDC7010 |
Check Valve Guide |
|
11 |
MDC7011 |
Internal Cylinder |
|
12 |
MDC7012 |
Piston |
|
13 |
MDC7013 |
Piston Case |
|
14 |
MDC7014 |
Guide Sleeve |
|
15 |
MDC7015 |
Sleeve |
|
16 |
MDC7016 |
Bit Retainer |
|
17 |
MDC7017 |
Bit Retainer Ring With O-ring |
|
18 |
MDC7018 |
Driver Sub |
|
Technical Parameters |
|
|
Length( Less bit) |
803mm |
|
Weight( Less bit) |
14.0 kg |
|
External Diameter |
φ67.2mm |
|
Bit Shank |
MDC70-75 |
|
Hold Range (mm) |
φ72-φ74 |
|
Connection thread with drill bit |
φ43-6 |
|
Connection thread with drill rod |
DZ50B |
|
Working Pressure |
0.5-0.7Mpa |
|
Air Consumption (m3/min) |
3 |
|
Torque (J) |
70 |
|
Impact frequency |
>810 |







