DD2 Jacketed Reactors

  •    Vikram Sarabhai Space Centre
  •      Ammonium perchlorate Experimental Plant (APEP), Aluva
  •     Space Division


These stainless steel double decomposition reactors are used as a part of the ammonium perchlorate processing facility in Aluva. Ammonium perchlorate is the solid propellant for ISRO's launch vehicles.

Construction details

Materials: SS 316 LN

Dimensions: Dia 2000 mm x 20 mm Thk

Critical aspects

  • Stress relieving was carried out at 960 degrees Celsius.
  • Ovality control after stress relieving was achieved within required tolerances.
  • Separate bay for stainless steel manufacturing.