- Construction: Epoxy Coated Proprietary Alloy Steel - Available Stress Ranges 0-75,000 PSI (517.2 MPa) 0-100,000 PSI (689.5 MPa) 0-150,000 PSI (1034 MPa) 0-200,000 PSI (1379 MPa) 0-250,000 PSI (1724 MPa) - Available Vessels Ambient Condition Acrylic (Standard) Pyrex Glass Vessels PTFE Vessels High Temperature Vessels (Up to 100°C) Tempressure (HPHT) Vessels (Up to 220°C at 15.2 MPa) - Ancillary Equipment Fume Hoods for up to 80 Proof Rings Environmental Control Bath Proof Ring Loading Fixture Exhaust Gas Neutralization Tank Assemblies