Neptune Sample Cooler SC-316 specifications: Coil: 316 SSTL, Shell: 316 SSTL, Coil Pressure Rating: 3,500 psi, Pressure Rating: 250 psi, Rugged all-welded construction, Internal baffles to insure maximum heat transfer, Heat exchange area: one sq. ft., Design pressure: 3500 psi at 750F