McMaster 4638K134 Low Pressure Pipe Fitting, Galvanized Iron, 90 Degree Elbow Connector, 3 4 NPT Female G4473676 302 304 Stainless Steel 302 304 Stainless Steel Firestop Pillow Pressure Rating Low Pressure Shape 90° Elbow Fitting Type Connector Fitting Connection NPT Female Pipe Size 3 4 Pressure Class 150 Material Galvanized Iron Maximum Pressure @ Temperature 150 psi @ 72° F Maximum Steam Pressure @ Temperature 150 psi @ 350° F Certification UL Listed Connects To Pipe Class 150 Material Galvanized Steel For Pipe Material Galvanized Steel For Pipe Schedule 40 For Use With Air 247 SVHC) Compliant RoHS Compliance RoHS 3 (2015 863 EU) Compliant Schedule B Number 730719