0.427 Sq.m Stainless steel shell and tube heat exchanger

Stainless steel hair pin tubes to give two pass with 3 off 19 mm  OD x 1,194 mm long [ needs mild steel outer shell. Please note at extra cost we can offer Stainless Steel outer shell] 70 mm dia tri clamp in/ outlets both sides rated 150 p.s.i- full vac @ 200 deg.c. overall size 1,450 mm x 420mm x 270 mm 
New and unused.