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

LSI-Mech Engineers Pvt. Ltd. also has in-house packing and painting.

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

OUR IN-HOUSE DESIGN FACILITY :

Our team uses drawing & Modeling softwares such as ZWCAD,AUTOCAD,INVENTOR 11, SOLIDWORKS & ANSIS.

We have the experience for designing for pressures - As high as 200 bar (g) / full vacuum and for temperatures - As high 1450O C & as low as cryogenic conditions. We design following the requirements of International codes and standards such as

  • EJMA,
  • ASME SEC VIII DIV 1 APPENDIX 26,
  • ASME B31.1 – POWER PIPING,
  • ASME B31.3 – PROCESS PIPING,
  • AD 2000
  • ELASTIC THEORY FOR PRESSURE VESSELS
  • ASME SEC VIII DIV 1,2 FOR PRESSURE VESSELS

LSI-Mech Engineers Pvt. Ltd. also works with Universities such as St. Josephs College of Engineering and Satyabhama University to help train their design engineers.

Facility for Research

LSI-Mech Engineers Pvt. Ltd.’ design facility for Expansion Joint and Accessories has In-House facility for performing and evaluating with the aid of FEA.

  • Static Structural Analysis.
  • Thermal Analysis
  • Coupled Field Analysis – Thermal Stress Analysis.
  • Modal Analysis.
  • Fatigue Life – Theoretical Evaluation
  • Eigen Buckling analysis

It has a full-fledged testing facility to perform Life Cycle Test of various sizes. In the last 5 years, the organization has performed more than 50 different cycle life testing for bellows of size ranging from 150 mm NB to 2200 mm NB.

It periodically performs Squirm, Yield-Rupture Tests and has performed more than 40 tests during this period.

Rectangle Bellows have also been tested in this period.

LSI-Mech Engineers Pvt. Ltd. follows the guidelines of EJMA, ASME for all its designs. It makes sure the expansion joints design conforms to required national or international standards as well if and when applicable.

HYDROTEST

LSI-Mech Engineers Pvt. Ltd. has standard Hydro test facility for testing sizes upto 2000 mm. For High pressure and larger sizes Hydro testing is performed using individual test jig. All the Bellows supplied are subjected to leak and stability test. Also, LSI-Mech Engineers Pvt. Ltd. has the capabilities to perform all Non- Destructive Examination as per 7.1, Non-Destructive Testing as per 7.2 and Destructive testing as per 7.3 of EJMA.

This facility is also used for Research and Development.

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