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KEY FEATURES DETAILS LITERATURE
KEY FEATURES, ACTIVE HEAD
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- Specially designed head/body retaining system and replaceable wear rings on the bit shaft and head promote longer life and sustained performance levels.
- Heaviest striker in the industry results in increased impact force and greater overall productivity.
- Designed with fewer parts than any other reciprocating-head piercing tool in the industry, Active Head tools are easier to service and maintain.
DETAILS, ACTIVE HEAD
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- Free-floating head assembly does not have a mechanism to reset the head after each impact, improving productivity.
- Available Power Port® quarter-turn reverse system is the only reverse mechanism that fully locks into gear during operation to prevent accidental direction change during the bore.
- As opposed to competitors' rigid valve designs, the HammerHead Mole's valve is designed to be flexible to prevent tool binding during operation.
- External whip can be easily replaced in the field, minimizing downtime.
- Exclusive, clamped rear anvil is designed for fast, easy field maintenance, provides up to 200 percent more clamp load, and is the most secure assembly on the market.
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- Optional screw reverse offers flexible control of the tool and features a neutral position for easy locating.
- With a clamped rear anvil that is 200 percent stronger than any competitor's design, the tool can run at an industry-best 110 psi (7.6 bar), for greater boring power.
- Low operating cost per foot of installation, relatively low purchase price, minimal maintenance and minimal training time required for operation add up to the lowest cost of ownership in the industry.
- Active Head piercing tools are available in diameters of 2" (50 mm), 2.5" (67 mm) and 3" (75 mm).
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LITERATURE, Active Head
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ENGLISH
2.00" (50 MM) 2.50" (67 MM) 3.00" (75 MM) 3.50" (89 MM)
SPECIFICATIONS, ACTIVE HEAD
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2.00" (50 MM) ACTIVE HEAD® WITH
POWER PORT® REVERSE
Part number Model (SAE): 20722
Tool diameter
Length
Pressure
Weight
Boring diameter range
Maximum bore length
Size pit
Cycles/minute
Type drive
Air
Tailbolt access
Reverse
Boring
Pipe ramming
Pipe bursting
2.00" (50 MM) ACTIVE HEAD® WITH POWER PORT®
REVERSE (BOLTLESS)
Part number Model (SAE): 21722
Tool diameter
Length
Pressure
Weight
Boring diameter range
Maximum bore length
Size pit
Cycles/minute
Type drive
Air
Tailbolt access
Reverse
Boring
Pipe ramming
Pipe bursting
2.00" (50 MM) ACTIVE HEAD® WITH POWER PORT®
REVERSE (BOLTLESS) (SIDEWALKER® SERIES)
Part number Model (SAE): 21744
Tool diameter
Length
Pressure
Weight
Boring diameter range
Maximum bore length
Size pit
Cycles/minute
Type drive
Air
Tailbolt access
Reverse
Boring
Pipe ramming
Pipe bursting
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U.S.
2 in
40.9 in
110 psi
24 lbs
2 in
75 ft
1 x 3 ft
515
air
18 cfm
4
1/4 turn
yes
no
no
U.S.
2 in
39 in
110 psi
24 lbs
2 in
75 ft
1 x 3 ft
515
air
18 cfm
n/a
1/4 turn
yes
no
no
U.S.
2 in
30.24 in
110 psi
19 lbs
2 in
75 ft
1 x 3 ft
714
air
15 cfm
n/a
1/4 turn
yes
no
no
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METRIC
50 mm
103.8 mm
7.6 bar
10.9 kg
50.8 mm
23 m
0.3 x 0.9 m
510 L/min
METRIC
50 mm
99.1 mm
7.6 bar
10.9 kg
50.8 mm
23 m
0.3 x 0.9 m
510 L/min
METRIC
50 mm
768 mm
7.6 bar
8.6 kg
50.8 mm
23 m
0.3 x 0.6 m
425 L/min
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SPECIFICATIONS, ACTIVE HEAD
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2.50" (67 MM) ACTIVE HEAD® WITH POWER
PORT® REVERSE
Part number Model (SAE): 25145
Tool diameter
Length
Pressure
Weight
Boring diameter range
Maximum bore length
Size pit
Cycles/minute
Type drive
Air
Tailbolt access
Reverse
Boring
Pipe ramming
Pipe bursting
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U.S.
2.64 in
49.9 in
110 psi
50 lbs
2.5 in
100 ft
2 x 4 ft
385
air
31 cfm
4
1/4 turn
yes
no
no
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METRIC
67 mm
126.7 mm
7.6 bar
22.7 kg
63.5 mm
30 m
0.6 x 1.2 m
878 L/min
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SPECIFICATIONS, ACTIVE HEAD
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3.00" (75 MM) ACTIVE HEAD® WITH POWER
PORT® REVERSE
Part number Model (SAE): 30522
Tool diameter
Length
Pressure
Weight
Boring diameter range
Maximum bore length
Size pit
Cycles/minute
Type drive
Air
Tailbolt access
Reverse
Boring
Pipe ramming
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U.S.
3 in
52.5 in
110 psi
67 lbs
3 in
150 ft
2 x 5 ft
370
air
35 cfm
4
1/4 turn
yes
no
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METRIC
75 mm
133.4 mm
7.6 bar
30.4 kg
76.2 mm
46 m
0.6 x 1.5 m
991 L/min
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SPECIFICATIONS, ACTIVE HEAD
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3.50" (89 MM) ACTIVE HEAD®
WITH POWER PORT® REVERSE (BULBED)
Part number Model (SAE): 30622
Tool diameter
Length
Pressure
Weight
Boring diameter range
Maximum bore length
Size pit
Cycles/minute
Type drive
Air
Tailbolt access
Reverse
Boring
Pipe ramming
Pipe bursting
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U.S.
3.5 in
52.5 in
110 psi
71 lbs
3.5 in
150 ft
2 x 5 ft
370
air
35 cfm
4
1/4 turn
yes
no
no
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METRIC
89 mm
133.4 mm
7.6 bar
32.2 kg
88.9 mm
46 m
0.6 x 1.5 m
991 L/min
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