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  5" GW 500 HD cutaway

5" - GW 500 HD

Available Shank: IR DHD 350

The New 500 GW high performance hammer drills under a head of water typically suited to water well and geothermal applications. Its robust non-ported piston design improves hammer strength and increases airflow efficiency. A choke facility helps to adjust airflow through the hammer. The 500 GW is fitted with a reversible cylinder to prolong the service life.

Suitable for operation at air pressures up to 435 psi.

Click to enlarge
GW 500 HD Air Consumption table
Figures are based on theoretical data.
 
 
 
Choke system to allow adjustment of airflow to improve flushing.
 
Optimized drive chamber capacities to maximize hammer performance.
 
 
 
Robust smple piston design for optimum strength and performance.
 
 
Reversible cylinder for maximum service life.
 
 
 
 
 

GW 500 HD part breakdown
Hammer Overview
Hammer Type
GW 500 HD
Shank
DHD350
Top Thread
2 3/8 API Reg Pin
3 1/2 API Reg Pin
Weight
132.28 lbs.
132.28 lbs.
Outside Diameter
4.961"
4.961"
Make Up Length
42.283"
42.283"
Recommended Minimum Thrust
900 lbs.
900 lbs.
Recommended Maximum Thrust
1980 lbs.
1980 lbs.
Parts List
Hammer Type
GW500 HD
Shank
DHD 350
Item
Description
1
Thread Protector
2
Top-Adaptor
3
N.R.V. Plug - Blank, 1/8", 3/16"
4
N.R.V.
5
N.R.V. Spring
6
Shim - 4.5 mm, 5.0 mm, 5.5 mm
7
Compression Spring
8
Air Distributor
9
O-Ring
10
Cylinder
11
Liner
12
Snap Ring
13
Piston
14
Snap Ring
15
Bit Retaining Ring
16
Chuck
17
End Cap
Service Kit, Repair Kit, Foot Valve, F/V Tool (Body), and F/V Tool (Pusher) available
info

Drill Bits
Ingersol Rand Shank - DHD350R / Atlas Copco Cop 54
Size
Face Design
Button Type
Button Qty./Dia.
Weight
5 1/2" / 140 mm
Concave
Domed
8 x 13 mm / 8 x 16 mm
35.27 lbs.
5 1/2" / 140 mm
Concave
Domed/Semi-Ballistic
8 x 16 mm / 7 x 16 mm SB
36.16 lbs.
5 1/2" / 140 mm
Flat
Domed
7 x 16 mm / 8 x 16 mm Long
35.71 lbs.
5 1/2" / 140 mm
Convex
Semi-Ballistic
8 x 16 mm SB/8 x 16 mm Long SB
35.05 lbs.
5 3/4" / 146 mm
Concave
Domed
15 x 16 mm
35.94 lbs.
5 7/8" / 150 mm
Concave
Domed/Semi-Ballistic
9 x 16 mm D/10 x 16 mm SB
39.24 lbs.*
6" / 152 mm
Convex
Domed
20 x 16 mm
39.24 lbs.*
6 1/4" / 160 mm
Concave
Domed
10 x 16 mm / 8 x 20 mm
47.18 lbs.*
6 1/2" / 165 mm
Concave
Domed
10 x 16 mm / 8 x 20 mm
47.18 lbs.*
*Oversize