View photo of Manufacture data plate, Design int. press. 750 psi.at 450 f,. Design JKT. Press 550 PSI. at 350 F,. Design JKT. Press 545 PSI.W/INT. Vacuum,. MFG# E183-0138. We were told it was used once after it was reglassed. We have additional photos, please email for more information and photos, stored inside a wooden box in our warehouse,  contact us for a delivered price