G-Force Nova N120 Shank (12″)

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Product Details

This G-Force Nova N120 DTH Hammer uses the latest technology in No Foot Valve hammer bits increasing reliability, performance, and production.

Hammer Specifications – G-Force Nova N120 Shank

G-Force Nova N120 DTH Hammer

Features:

  • No foot valve required
  • Easy to service
  • Special heat-treated alloy piston for long life, Rockwell hardness 60
  • Minimum loss of performance when injecting foam or water
Item #DescriptionPart #
1Back HeadGFN12001
2Back Head WasherGFN12002
3Back Head O-RingGFN12003
4Buffering WasherGFN12004
5Make-Up Rubber(Buffering)GFN12005
6Air Check ValveGFN12006
7Air Check Valve SpringGFN12007
8Air GuideGFN12008
9Air Guide Plug (Choke)GFN12009
10Air Guide O-ringGFN12010
11Air DistributorGFN12011
12Air Distributor O-RingGFN12012
13CylinderGFNN12013
14Wear SleeveGFNN12014
15PistonGFNN12015
16Piston Stop Ring (Buffering)GFN12016
17Bearing O-RingGFNN12017
18BearingGFNN12018
19Bearing Stop Ring (Key)GFN12019
20Bit RetainingGFNN12020
21Bit Retaining O-RingGFNN12021
22Chuck BushingGFNN12022
23Chuck WasherGFN12023
24Chuck (Drive Sub)GFNN12024
-O-Ring KitGFN12025

Specifications

Length (w/o drill bit)72.36"
Outside Diameter10.35"
Weight (w/o bit)1499 lbs.
Cylinder Bore8.267"
Piston O.D.7.33"
Piston Stroke5"
Piston Weight254 lbs.
Hole Sizes11 7/8" - 17 1/2"
Air Pressure Consumption100 psi - 350 psi
Wrench SizeA/F 7.95"
ConnectionStd. 6 5/8" API Reg Pin

Air Consumption Chart

PSI100150200250300350400
CFM with blank choke4186729741,2681,5481,756-

Lubrication

G-Force Nova Series Hammers are precision-made tools and should be treated as such. Only the highest quality lubrication should be used and a constant flow of oil must be maintained at all times. Recommended lubrication amount 1/3 Pint per 100 cfm per hour.

Heavy duty oil is recommended for all year-round use, in particular where air supply to the hammer is at high temperature. If lighter grade oil is required due to very low ambient temperatures, amount of oil being used should be increased by 30 percent.

Recommended Pull Down

Minimum @ 100 psi - 5600 lbs. Maximum @ 350 psi - 9900 lbs.

Hammer Warranty will be voided by the following:

Welding on Wear Sleeve.
Heating Case with a Torch.
Gripping Wrenches across Threads.
Hammering on Casing.

READ WARNING LABEL ATTACHED TO HAMMER

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