Product Name: ASTM A182 F316 Spade Flange
Type: Spade Flange, Paddle Flange
Design Standard: ASME B16.48
Material: ASTM A182 F316, SS 316, Stainless Steel
Size: 3 Inches, DN80
Pressure: Class 300 LB, PN50
Source: https://www.landeeflange.com/astm-a182-f316-spade-flange-asme-b16-48-ss-316-3-in-cl300.html