Product Name: ASTM A182 F304L Weld Neck Flange
Type: Weld Neck (WN) Flange
Standard: ASME B16.5
Material: ASTM A182 F304L
Size: 16 Inch
Class Rating: Class 150 LB
Wall Thickness: SCH 10S
Face Type: Flat Face (FF)
Special Requirement: with Jack Screw
Jack Screw Size: 3/4 Inch–10 UNC
Source: https://www.landee.cn/astm-a182-f304l-weld-neck-flange-asme-b16-5-16-inch-cl150.html