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Technical Profile

Annexure - II
QUALIFIED WELDERS & PROCEDURES

1. No. of Qualified
Welders available
:    Six
2. Inspection agencies  
from whom qualified 
:    NPCIL, BARC, Bureau Veritas
3. Position in which Qualified :    6G position as per ASME Boiler and Pressure Vessels Sec. IX.
4. Welding process used/Qualified  For number of different welding process, some of the important procedures are listed below :

1.   SS 304 to SS 304 (P8 to P8) using TIG process for root and subsequent passes with back purging
      with argon. Open butt  type.
2.   SS 304 to SS 304 (P8 to P8) using TIG for root and stabilising pass and subsequent passes with
      back purging for root and stabilising pass.
3.   SS 304 to SS 304 (P8 to P8) using consumable weld insert (EB  type or V type) for root pass,
      and filler wire for stabilising  pass, back purging for both the passes Subsequent with TIG.
4.  SS 304 to SS 304 (P8 to P8) using consumable weld insert for room and stabilising pass with filler wire
     with argon back/purging. Subsequent passes with MMA using coated electrodes.
5.  SS 304 to SS 304 (P8 to P8) using coated electrodes by MMA process.
6.  Similarly we have got qualified procedures for other materials like CS to CS (P1 to P1) using different
     processes, different techniques like root with TIG  with/without inserts. Stabilising  passes with  TIG
     & subsequent passes with MMA using coated electrodes as per AWS  E7018 or AWS E 6013   
7.  We have done many jobs using carpenter's  Steel (Monel 400) by using TIG processes.
8.  We have got qualified brazing procedures to Brass to Brass, SS to MS, Brass to MS etc.
9.  We have established welding procedure for welding Admiraly brass to MS by TIG Process.
10. Our welders are qualified for welding Aluminium pipes and  plates.
11. For tube to tube sheet welding (CS to CS, CS to SS) we have qualified welders approved by NPCIL.

OUR ACTIVITIES :

Manufacturing & Supply :

1. Pressure Vessels. 
2. Process Equipments/Pipings.
3. Heat Exchangers.
4. Waste Heat Boilers.
5. Steam Heater mixed feed and
    pre-heating coils, Cooling coils fin tubes
    in C.S. and S.S.
6.  Condensers.
7.  Ejectors. 
8.  Economisers.
9.  Columns.
10. Tanks, Storage vessels for
     medium and high pressures.
11. Reactors.

OUR SPECIALITIES :
 
S. S. Pumps of all types from 1 H.P. to 100 H.P. and 40 Litres / min. to 19,000 Ltr./Min. upto 10 Kg./cm2.
 

N.B. :  We design and Manufacture Heat Exchangers, Cooling Units and Centrifugal Pumps, Axial flow pumps.
 

   

 
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