Pat Kelly Equipment Co., Missouri
Phone: (314) 895-9500 Fax: (314) 895-4474
5920 North Lindbergh Boulevard - (St. Louis) Hazelwood, MO 63042
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Pat Kelly Equipment Co., Missouri

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(St. Louis) Hazelwood
(314) 895-9500
5920 North Lindbergh Boulevard
(St. Louis) Hazelwood, MO 63042
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Epiroc Hydraulic Attachments HB4700

New Equipment / Epiroc Hydraulic Attachments / Hydraulic Breakers / Premium Hydraulic Breakers / HB4700

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Features

Our features make the difference

We want to make our hydraulic breakers highly adaptable, durable, efficient and with best noise and vibration level. For your profitability, operator comfort and for the environment.

Energy/Recovery

The piston recoil energy is automatically utilized to increase the performance without additional hydraulic input and to lower vibrations.

Intelligent Protection System (IPS)

IPS ensures that the hydraulic breaker always starts in the AutoStart mode. When the contact pressure between chisel and material increases and AutoControl switches from a short piston stroke to a long piston stroke IPS switches automatically to the AutoStop mode. When the chisel breaks through the material the breaker automatically shuts off and prevents blank firing.

PowerAdapt

Built-in overload protection valve shuts off the hydraulic breaker when operating pressure is not in line with specifications thus protecting it from costly downtimes and repairs.

VibroSilenced Plus

System insulates the percussion mechanism and breaker box by polyurethane damping and guiding elements and sealing of all breaker openings to reduce noise and vibration levels.

AutoControl

Automatic piston stroke length switching system adjusts the output balance during operation, thus optimizing the performance.

StartSelect

Integrated valve enables the operator to adjust the hydraulic breaker start-up behavior according to the operating condition in a few simple steps. In AutoStop mode the breaker only starts when load is applied, which prevents from blank firing.

Retainer bars

Two oval-shaped tool retainer bars with a simple but reliable locking system - for quick tool exchange and increased durability.

Tie rods

Vibration damping tie rods with polyurethane collar and HeliCoil locking system for high durability.

Percussion chamber ventilation

Active non-return valve ventilates the percussion chamber during the upwards movement of the piston minimizing penetration of abrasive dust and expelling dust contaminated grease from the tool guiding system.

Hybrid technology

With an integrated nitrogen piston accumulator for constantly high impact energy, safe start-up and smooth operation.

Specifications

Service weight 10,400 lb
Oil flow 68,7 gpm - 95,1 gpm
Operating pressure 2 320 psi - 2 610 psi
Impact rate 280 blows/min - 540 blows/min
Working tool diameter 7,48 inch
Working length of tool 34 inch
Carrier weight class 99 000 lb - 176 000 lb
Hydraulic input power, max 145 HP
Sound power level, guaranteed 126 LwAdB(A)

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