The Apollo International YCF Strainers are designed to protect piping systems and process equipment from unwanted foreign particles with minimum pressure loss.Iron Strainer with Flat Face Flanges Conforms to ASME/ANSI 16.1 Class 125One-Piece Cast Body Meets ASME StandardNSF/ANSI 372 - Lead FreeAll Models Epoxy Coating (FDA CFR21, Section 175.300)Equipped with Bolted Cover Employing Flat Gasket SealUpper and Lower Machined Seats for Screen for Self-Aligning Screen DesignTapped Blow-Off Connection with Plug100% Factory Pressure Tested