Gemini Engi-Fab Limited An ISO 9001: 2008 Company

	Heat Exchangers, Pressure Vessels & Columns
	Re-Salvaging Equipments
	Chemical Industries
	Pharma & Bio-Pharma Equipments
	Storage Tanks (Pressure & Atmospheric)
	Cement Industries
	Food & Dairy Equipments
	Dryers
	Fermentors

Re-Salvaging Equipments

Client: BARC
Item: Re-Salvaging of Ammonia Superheater
Qty: 4 Nos.
TPI: Lloyd’s Register Asia
Material-Tubes: Inconel 625, Casing - SA 516 Gr 70
Weight: 36M.TONS EACH
Customer: HEAVY WATER BOARD (BARC)

Before Re-Salvaging of Equipment (i.e. Used Equipment)

•	Development of Fabrication Drawings, Dismantling of Tube Bundle assembly.

•	Supply New Inconel 625 components & Refractories, Definning, of Tubes, Solution Annealing of service aged Inconel components Pickling & Passivation, Refinning on the solution annealed tubes, Supply of Fabricated new End Tube Sheets with Ferrules & Fabrication of the Tube Bundle Assembly.

•	All Destructive & Non-destructive testings, Helium Leak test & Hydro Testing (At 240 Kg/Cm2), Painting of M.S.Part, Transportation & Delivery of Superheaters to HWP site.

After Re-Salvaging of Equipment (i.e. Repaired)

Client: RCF Limited - THAL
Item: Water Cooler ( E-4104)

Tube
M.O.C: SA 789 UNS 31803 (Duplex Steel)
Size: ‘U’ Tubes 19.05 x 2.11 x 5869 ST. LG.

Tubesheet
M.O.C: SA 266 Cl 2 With Duplex Overlay
Total Weight of Equipment: 42M Tons
Hydro Testing: Shell side-12 Kg/Cm2(g);
                         Tube side-320 Kg/Cm2(g)
Third Party Inspection: Lloyd’s Register Aisa

• Tube to Tube sheet joint Strength welding and
   light  expansion
• Helium Leak test done to check the tube to
  tube sheet weld joint before expansion

Before Re-Salvaging of Equipment (i.e. Used Equipment)

After Re-Salvaging of Equipment (i.e. Repaired)