JackPot

Pre-Stressing Device

Specifications:

  • Can be pre-stressed to 51 tons
  • Can be inflated up to 6”, however to achieve best results it’s recommended to inflate no more than 3”
  • Features a pressure relief valve
  • Inflated easily with water, by means of either free-flow line pressure, Pneumatic-powered Pump, Hydraulic-PTO Pump, or Hand pump

JackPot Accessories:

  • Hand pump
  • Air pump
  • Pressure Gauge
  • Load cell
  • Nozzle
  • Spare parts


JackPack

Pre-Stressing Inflatable Metal Bag

Technical Information:

  • 2.24 mm Thick – Resistance Seam Weld
  • 2 ports – Inlet port and a pressure relief port
  • Pressure relief value set at 250 PSI, approximately 80 tons
  • Size – 36” x 36”
  • Weight – approximately 31 lb.
  • Most effective operating range 1” – 10”
  • Inflate with water
  • Inflating pressure range 150 – 600 PSI
  • Quick Connecting Inflating Valve

Features:

  • Eliminates Wedging
  • Full contact between support structure and roof
  • Reduces amount of wood being used
  • Reduces handling and transportation of wood products
  • Can monitor roof activity by use of pressure gauge
  • The JackPack can be re-inflated
  • Absorbs the initial impact of the roof which helps protect the integrity of crib
  • Inflating pressure can be increased by means of hydraulic or air pump
  • No special tools needed, uses resources of the mine
  • Has been tested at NIOSH and Load Curves are available

 


JackPot
JackPot
JackPack