Stainless Steel Heat Exchanger Tubes



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Heat Exchanger Tubes

Major application for Pasco Steel India's Stainless Steel / Titanium Tubes is in manufacture of Shell and Tube type Heat Exchangers.



Shell and Tube Heat Exchangers

Shell and Tube Heat Exchangers are defined as heat exchangers that can transfer heat from one to another fluid , one medium to another medium. Fluid passes through a set of tubes while another fluid passes through the shell that encloses tubes.Shell and Tube Heat Exchangers are used in applications in processes involving high temperature and pressure and , in cases where the fluid contains particles.

There are two types of Shell and Tube Heat Exchangers used in industrial applications :

  • U- Tube Heat exchangers
  • Straight Tube Heat exchangers

U-Tube Heat Exchangers :

U- Tube heat exchanger comprises a set of U-shaped tubes fixed to a Tube Sheet and get supported by flow baffles or tube support and placed in a shell welded or bolted to the Tube Sheet. While one fluid is passed through the Shell on the exterior surfaces of the Tubes, the other fluid is guided into the tubes through Header assembly , which is fixed to the Tube Sheet either by welding or by bolting

Straight Tube Heat Exchangers :

The two ends of a set of straight tubes are fixed to two Tube Sheets, welded or bolted to the Shell. One fluid passes through the Tubes and the other through the Shell. Such Heat Exchangers are used in applications where the fluid have high fouling properties . They are also used in applications with high occurrence of temperature cross. The straight tube structure facilitates easy cleaning of the tubes.

There are several factors, which are to be taken into account while manufacturing Heat Exchanger Tubes i.e. dimensional tolerances for diameter, wall thickness, length, eccentricity etc., requisite Mechanical properties, Corrosion resistance and surface finish etc.

Pasco Steel India is one of the major manufacturers of Stainless Steel Heat Exchanger Tubes in welded and seamless construction for applications in Power generation i.e. Nuclear, Thermal and Solar Power Plants , Refinery and Petrochemical, Oil and Gas, Chemical and Fertilizer, Process Industries , Defence , Atomic energy and Aerospace , Pulp and Paper Industries etc.

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