McMaster 8991A71 Pipe Size Chart Ruler for 1" 6" and 2 mm 60 cm Pipe OD 26X274 48 Punch Piece Design 1 Piece 48 Punch Piece Design 1 Piece Design Includes 3 8 in x 10 in Vertical Type Swing Flex Maximum Pressure Operating 250 psi Connection Type Side 1 Flange NSF Certifications for Food and Drinking Water NSF 61 Silent Check Standard Check Mechanism Material Steel Connection Type Side 2 Flange Check Mechanism Swing Maximum Pressure Steam Not Rated Operating Temperature Maximum 200 Degrees F For Media Drinking Water Valve Body Style Inline ANSI Flange Class Class 125 3 A Standard Compliance Not Rated Vacuum Service Rating Not Rated Operating Temperature Minimum 33 Degrees F Valve Series 500A REACH Compliance Specialty Metals COTS Exempt