Mechanical Projects

HEAT EXCHANGER DESIGN,INC. offers a complete line of Hairpin Exchangers. These exchangers provide true counter-current flow and are especially suitable for extreme temperature crossing, high pressure, high temperature, and low to moderate surface area requirements.

Our Hairpin Exchangers are available in single tube (Double Pipe) or multiple tubes within a hairpin shell (Multitube), bare tubes, finned tubes, U-tubes, straight tubes (with rod-thru capability), fixed tube sheets and removable bundle. The surface area ranges from (1) square foot to 6,000 square feet (Finned tubes).

Advantages

• Tube bundle is removable; therefore mechanical cleaning is possible on the shell side.
• The U shape bundle is free for expansion and contraction inside the Hairpin shell eliminating the need for expansion joint.
• Are capable of carrying the maximum pressure allowable by ASME Code per given wall thickness. (Up to 14600 psi with no corrosion allowance). Higher pressure ratings are possible using materials with higher stress values
• For processes that require frequent mechanical cleaning, bare tube offers ease of cleaning and accessibility.
• Bare Multi-Tube and Double-Pipe Exchangers offer the least pressure drop among most exchangers.
• Very often a process might be modified or completely changed. The streams flow rate or other conditions might also change. A Double Pipe Hairpin is designed so as to accommodate these changes, simply by rearranging the sections. Unlimited numbers of sections could be arranged in parallel and series to fit new requirements of the process conditions.

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