VKP70

VKP Down-The-Hole hammer is designed for drilling deep holes in low to high strength materials, particularly for blasting operations in quarries. Maximum depth of a borehole is determined by the potential of the drilling rig and, critically, the ability to flush out bore dust which changes with the material drilled, diameter of the hole, operating air pressure and drill bit used. The hammer can drill in saturated borehole environments as well as completely underwater. With foam or water flushing, the hammer may also be used in enclosed areas like underground mines.

Benefits of use

  • The hammer can drill in saturated borehole environments as well as completely underwater.
  • With foam or water flushing, the hammer may also be used in enclosed areas like underground mines.

Specifications

Weight Air consumption 0,6 MPa Air consumption 1,2 MPa Air consumption 1,8 MPa Impact frequency 0,6MPa
10.5 kg 1,8 m3min-1 3,7 m3min-1 7,8 m3min-1 27 Hz
Impact frequency 1,2MPa Impact frequency 1,8MPa Oper. air pressure Hammer Outside Diameter Length
34 Hz 44 Hz 0,6 – 1,8 MPa 62 mm 670 mm
Backhead Spanner Flat Size Drill Bit Shank Type Bore Hole Diameter Piston Weight Connecting thread (inner)
50 mm PERMON70 75 – 80 mm 2 kg Rd 50 Female
Ordering code
9550-250

Spare Parts List

VKP70
01 4342 620 Cylinder
02 2361 140 Retaining ring
03 273 067 O-Ring
04 2148 270 Bit chuck
05* 5009 230* Piston*
06 3093 220 Piston guide
07 273 069 O-Ring 42 x 2
07 273 075 O-Ring 45 x 2
08* 5097 160* Threaded backhead*
09 2023 370 Valve bushing
10 4325 250 Valve tube
11 315 037 Spring
12 2007 130 Ring
13* 0901 760* Valve dart*
14 273 408 Rubber ring
15 8140 010 Valve dart assembly
16 5100 090 Threaded backhead assy.
17 5009 240 Piston assembly
- 722 027 Plastic foot valve
- * Only sold as part of assembly



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