Shell & Tube Heat Exchangers.

Shell & Tube Heat Exchangers.


  • ASME – American Society of Mechanical Engineers
  • TEMA – Tubular Exchanger Manufacturers Association
  • EN 13445 – European Code for Unfired Pressure Vessels
  • API – American Petroleum Institute
  • IS 6088 – Specification for Oil-to-water Heat Exchangers for Transformers
  • NES – Naval Engineering Standard


  • Carbon steel in various grades
  • Copper & its Alloys like Admiralty Brass, Naval Brass, Cupro-nickel, Al-Brass, Gun Metal etc.
  • Stainless steel in grades like AISI 304, 316, 316L, Duplex & Super duplex stainless steel
  • Titanium, Hast Alloy and Nickel alloys etc.


  • Simplex Shell & Tube Heat Exchanger
  • Duplex Shell & Tube Heat Exchanger
  • Compact Shell & Tube Heat Exchanger
  • Smart Shell & Tube Heat Exchanger
  • Double Pipe Heat Exchanger


  • ASME U Stamp, U2 Stamp, R Stamp & NB Stamp
  • CE-PED Certification
  • UKCA Certification
  • DOSH Certification
  • EAC (GOST) Certification
  • CRN (Canadian Registration Number) Certification
Simplex Shell & Tube Heat Exchanger
Duplex Shell & Tube Heat Exchanger (with 3-way change over arrangement)
Marine Heat Exchanger – Heat Exchanger for sea water application, Material used are suitable for sea water and environment.
Compact Heat Exchanger – Positron Compact Heat Exchanger offers Compact & Economical design with in house developed continuous plate fins.

Smart Heat Exchanger (Smart Heat Exchanger - Positron Smart Heat Exchanger offers leak proof design avoiding cross contamination with leakage detection device and sensor)
Double Pipe Heat Exchanger