Rock-Breaking Work Made Easy
Reduced noise level
Kent Demolition Tools says its large series hydraulic breaker, the KF 22 Qt, is designed to accommodate work environments that demand a reduced noise level. The breaker is encased in a one-piece enclosure to protect critical components, and has higher back-head pressure and a larger piston diameter for a 20-percent increase in impact energy over previous models. The patented dust intake prevention system prevents dust from entering the front head during piston upstroke, improving the life of the piston as well as the working steel and bushings.
NPK Construction Equipment, Inc. says it designed its hydraulic hammers with features that include excellent power-to-weight ratio, a unique gas-charged piston for efficiency, an air line for underwater use, bottom tie rod nuts for easy servicing, a quick-change tool system with a single round retainer pin, replaceable cylinder sleeves for easy rebuild, and tool bushings engineered for quick replacement. The breakers offer vibration control for increased operator comfort.
Stanley Hydraulic Tools’ EXS Stealth Mounted Breakers are available in models ranging from 1,500 to 12,000 foot-pounds of impact energy. The company says the breakers offer noise suppression features, a narrow profile, enclosed housing, an armored lower end, and are light weight, making them the hardest hitting breaker in their class. Each breaker’s power cell is suspended in a system of bumpers and wear plates to prevent damage to the carrier. The breaker housing is double strength at the lower end to stand up to tough working environments. Noise suppression features make the breakers some of the quietest on the market, says the company.
Low cost, high production
Surestrike International, Inc. says it offers low cost, dependable, high-production breakers ranging from 10,000 to 75,000 foot-pounds of single energy. The breakers feature a low initial cost, a simplistic design that promotes low maintenance costs, and no vibration as well as low hydraulic requirements for increased carrier life, says the company. The breakers mount to excavators weighing as little as 30,000 pounds.
Heavy-range hydraulic breaker
Tramac’s V1800 is for carriers from 44,100 to 77,200 pounds and has an operating weight of 3,913 pounds. The breaker is 5.5 inches in diameter and features an operating pressure of 2,394 pounds per square inch, a flow range of 37 to 58 gallons per minute, an impact energy class rating of 6,000 foot-pounds, and an impact frequency range of 310 to 500 blows per minute. The principal wear parts are field-replaceable without dismounting the breaker from the carrier or removing any tie rods. The company says its variable-speed breaker technology senses changes in material hardness and automatically adjusts the breaker to the optimal combination of impact energy and strike rate.
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