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For over 50 years Hallite Seals have designed, developed and manufactured hydraulic seals and bearings for the mining industry creating a wealth of knowledge and experience which is unsurpassed worldwide within the field of specialised mining applications. Hallite has a range of products for use in:
Longwall Roof
Supports
Tunnelling Machines
Cutting Machines
Roof Bolting Machines
Excavators
Scoop Trams
Shearers
Shuttle Cars
Drilling MachinesHallite also supplies products for other ancillary plants and equipment.
Working in partnership and liasing with manufacturers and operators worldwide, Hallite fully understands the demanding applications and the severe working conditions in which mining equipment operates. This cooperation enables Hallite to provide the safe and reliable products demanded by today's mining industry.
Test & Development
Many different operating conditions are found in cylinders used on mining equipment, requiring careful selection of seal materials to match each application. Design engineers and material technologists carefully consider these conditions when designing new and innovative sealing systems. Careful attention is paid to seal profile design, material selection. Product properties are methodically studied to ensure that the required qualities are found in the finished component.
Seals are subjected to extensive in-house testing and field trials. Hallite's test facilities reproduce continuous operating conditions and record leakage, dynamic and breakout friction as well as monitoring pressure, speed, temperature and other performance factors.
Hallite Seals Test & Development facilities include:
Friction and Leakage Test Rigs*
Hydraulic Cylinder Test Rig*High
Pressure Pulse Test Rig
Finite Elecment Analysis* Capable of using high water based fluids (HFA)
Products & Materials
The current range of sealing materials include nitrile rubbers, rubber and fabric compounds, thermoplastic elastomers and unique bearing compounds, all proven in mining applications worldwide.
In addition to its extensive range of standard catalogue products, Hallite provides a complete service for the design, development and manufacture of seals for OEM and existing equipment refurbishment applications.
Sealing Systems for the Mining
Industry
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1.94MB)
