A round base ordered separately is available to fit the 2.
Mine roof support jack.
The 8 ton model uses 2 schedule 40 pipe while the 16 ton requires 2 schedule 80 pipe.
Simplex head assemblies are designed for roof support in mines and other areas where ceiling heights vary greatly.
Designed for use as a safety prop the 139a family is suitable for cross timbering with wood or steel beams.
Is a closely held company formed over 50 years ago to manufacture commercial products.
The length of the jack when measures after the accident was ten 10 feet and six 6 inches.
Tunnel mine roof industry.
Tunnel mine roof resources are compiled in this industrial portal which provides information on manufacturers distributors and service companies in the jacks.
Jack kennedy metal products and buildings inc.
Lever bars accessories.
The 139a family is a screw extension type roof support rated at 5 tons sustaining capacity.
For over 70 years metro hydraulic jack company a third generation family owned and operated business has been.
Open center pit lift.
A broad range of jacks.
Welcome to the most trusted and comprehensive jacks.
Mine roof support jacks.
Use your own pipe to custom build a support for nearly any application.
Kennedy metal products is a world class manufacturing firm with manufacturing interests on three continents.
The base is sold separately.
Use your own pipe to custom build a support for nearly any application.
The 16 ton ms 17 models require 2 schedule 80 pipe.
Tunnel mine roof directory on the internet.
Ultra tow xtp fast action square tube trailer jack 2000 lb sidewind tube mount weld on 3 only 79.
The temporary roof support jack being installed was a mine manufactured and was of a screw type.
Screw and cap assemblies.
Benefits features simplex head assemblies are designed for roof support in mines and other areas where ceiling heights vary greatly.
The jack has an adjustable range of eighteen 18 inches.
View product specifications for the jacks mechanical mine roof supports.
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All models use a round base item number 1470200 which fits 2 pipe.
Milwaukee mine roof jacks are designed for mine construction and other areas where ceiling heights vary greatly.
