STAINLESS COMRESSION UNION Application Air Chemicals Gases Non-Potable Water Oils Fitting Side A Connection Type Compression Fitting Side B Connection Type Compression Fitting Material Stainless Steel Fitting Side A Tube Outer Diameter 25 mm Fitting Side B Tube Outer Diameter 20 mm Material Grade 316 Maximum Operating Temperature 1 500 Degrees F Overall Length 62 5/16 mm Specific Fitting Shape Straight Connector Compatible Fitting Brands Swagelok System of Measurement Metric