HammerHead Trenchless has released the first model of its new XPR series of pneumatic hammers for pipe ramming and pipe bursting applications.
The XPR series features a newly designed high-flow valve system that produces a more powerful impact. The first model to utilize this new technology, the 26XPR, is the most powerful pneumatic hammer in its class, according to the company.
The XPR technology is a modification of the patented Air Reverse (AR) valve system, which is standard on all HammerHead pneumatic hammers larger than 180 mm.
Above ground control
Both systems allow for the reverse function to be controlled above ground, which simplifies tool removal from pushing collets and burst heads, saving time on the job site.
The 26XPR, a 66-cm hammer, is the first model equipped with the XPR technology. It has replaced the 61 cm AR model in the HammerHead line of pneumatic hammers.
“While our (61 cm) hammer has proven to be durable and effective, we identified a need for a more versatile and higher performing tool,” said HammerHead Trenchless product manager Josh Hood.
“By designing a system that maximizes the air flow, we were able to increase forward horsepower while maintaining the highly desired functionality of the Air Reverse feature. We chose the 26XPR to be the first model to utilize the new technology to better bridge the gap between our (51 and 86-cm) AR models.”
The 26XPR is capable of installing casings that are 61 to 214 cm in diameter, and is suitable for use in drainage culverts, pipeline work and HDD assist methods, such as wash over casing installations, pipe assist or pipe extraction and guided pilot bore ramming.
It is also effective in pneumatic pipe bursting applications of pipes ranging from 38 to 91 cm in diameter.
To improve serviceability and to minimize costly downtime due to tool maintenance, HammerHead’s pneumatic hammers include the company’s patented clamped rear anvil and tail bolt designs, one-piece body and striker and high-temperature replaceable wear rings.
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HammerHead Trenchless produces 11 models of pneumatic hammers ranging from 10 to 86 cm, capable of ramming pipe diameters ranging from 10 to 457 cm or bursting pipe diameters from 10 to 91 cm.
While the 26XPR is the first model of the new XPR series, HammerHead Trenchless plans to expand the series in the future by equipping other hammer sizes with the company’s new high-performance technology.