Reducing Union, Application Gases, Hydraulic, Pneumatic, Fitting Side A Connection Type Compression, Fitting Side B Connection Type Compression, Fitting Material Stainless Steel, Fitting Side A Tube Outer Diameter 3/4 in, Fitting Side B Tube Outer Diameter 1/2 in, Material Grade 316, Maximum Operating Pressure 2436 psi, Maximum Operating Temperature 1,200 Degrees F, Overall Length 2 1/8 in, Specific Fitting Shape Straight, Fitting Side A Pipe Size Not Applicable