8” Dominator 850
The Dominator 850 has been designed for high performance drilling in hard to medium rock formations, particularly mining applications.
Its class leading performance has been achieved with a larger piston and valveless air cycle providing 50% increase in stroke.
The Dominator 850 has a reversible cylinder for prolonged hammer life and benefits from a one piece top adaptor with N.R.V (Non Return Valve), this makes it easier to maintain and service the hammer.
| At a Glance | |||
|---|---|---|---|
|
Size
|
Shank
|
Air pressure
|
Air flow
|
|
222mm - 270mm
8 3/4 - 10 5/8" |
QL80
|
100 - 500 psi
(7 - 35 bar) |
400 - 2000 cfm
11327 - 56634 l/min |
| Hammer Overview | ||||
|---|---|---|---|---|
| Hammer Model | DOM850 | |||
| Part Number | 600245 | |||
| Shank | QL80 | |||
| Thread Connection | 4 1/2" API Reg Pin | |||
| Minimum Bit Diameter | 222mm | |||
| Hammer Flat Size | 125mm (6.14") | |||
| Weight | 180 Kg (396.8 lbs) | |||
| Outside Diameter | 192mm (7.6") | |||
| Length (shoulder to shoulder) | 1281mm (50.4") | |||
| Minimum Weight On Bit | 800 Kg (1760 lbs) | |||
| Maximum Weight On Bit | 2000 Kg (4400 lbs) | |||
| Parts List | Maintenance Kits | ||||
|---|---|---|---|---|---|
| Type | DOM850 | Service Kit | Repair Kit | ||
| Shank | QL80 | ||||
| Item | Description | Part No. | SK32 | RK55 | |
| 1 | Thread Protector | 207295 | No | No | |
| 2 | Snap Ring | 783034 | Yes | Yes | |
| 3 | N.R.V Seat | 602887 | No | No | |
| 4 | O-Ring | 768150 | Yes | Yes | |
| 5 | Non Return Valve | 602285 | Yes | Yes | |
| 6 | N.R.V Cover | 603696 | No | Yes | |
| 8 | Top Adaptor | 603353 | No | No | |
| 9 | Spacer | 603358 | No | Yes | |
| 10 | O-Ring | 768169 | Yes | Yes | |
| 11 | Cylinder | 603347 | No | No | |
| 12 | Piston | 603349 | No | No | |
| 13 | Snap Ring | 783039 | Yes | Yes | |
| 14 | O-Ring | 768169 | Yes | Yes | |
| 15 | Bit Guide Bush | 603360 | No | Yes | |
| 16 | Bit Retaining Ring | 603359 | No | Yes | |
| 17 | Chuck Spacer | 603358 | Yes | Yes | |
| 18 | Chuck | 603357 | No | No | |
| Foot Valve | 603334 | No | Yes | ||
