Manufacturing Range

Our Manufacturing range:

  • The ability to design and manufacture Circular Expansion Joints of sizes up to 9000 mm in Diameter.
  • The capacity to design and manufacture expansion joints that can withstand Pressures as high as 200 bar (g) from Full Vacuum.
  • The capability to produce expansion joints that can withstand a Temperature as high as 1450 Deg C.
  • Rectangular Expansion Joints of any transportable size can be designed, manufactured and supplied by our team

We have the experience of supplying

  • Metal Bellows in all grades of Austenitic Stainless Steel, Duplex Stainless Steel, High Nickel Alloys etc.,
  • Rest of Components in Carbon Steel, Alloy Steel, Stainless Steel, High Nickel Alloys and any of these combinations etc.

Our manufacturing facility to produce the above includes the following equipment :

  • For -bellows forming

    • Mandrel / punch forming; roll forming; hydro forming;
    • Elastomer forming
    • Process – welding
  • For Welding the Expansion Joints

    • Long seam – GTAW/ MICROPLASMA / MICROTIG
    • End connection attachment welding – GTAW
    • Other dissimilar welding – GTAW
    • CS – CS welding – MIG / MMAW/ SAW

We also have facility to perform the following tests:

  • NON- DESTRUCTIVE EXAMINATIONS

    • RADIOGRAPHIC TEST
    • LIQUID PENETRANT
    • ULTRASONIC TEST
    • MAGNETIC PARTICLE TEST
    • PNEUMATIC LEAK TEST
    • VACUUM LEAK TEST
    • HELIUM LEAK TEST
    • HYDRO STATIC PRESSURE TEST
  • PROTOTYPE DESTRUCTIVE TESTING – BELLOWS

    • FATIGUE LIFE CYCLE TEST
    • SQUIRM TEST
    • MERIDIONAL YIELD TEST
    • RUPTURE TEST

IN-HOUSE PAINTING AND PACKING

Lonestar Industries also has in-house packing and painting.

To help our production/ manufacturing team we also have a state of the art design & engineering team.