Used 1,820 Sq Ft Shell & Tube Heat Exchanger. Shell material is CS, tube and head are 316SS. Shell is rated for 200 psig @ 600 F; tube is rated 600 psig @ 600 F; there are 348 tube holes; tube wall is .065”. Shell has 1 pass, tubes have 12 passes. (2) 4” shell nozzles; (2) 8” tube nozzles. 30 baffles with a baffle spacing of 5.75”. Shell diameter is 3’2”; overall length is 19’5”. National Board number is 481. Built in 1967.