GRUNDFOS 1 1/2" CAST IRON GF 15/26 NPT FLANGE SET
Fitting Size: 1-1/2" NPT
NPT end connections
Compatible with Grundfos UP Series Circulator Pumps
Kit includes (2) flanges, (2) gaskets and (4) bolts and nuts
1/2 IN Bolt Hole Diameter, 3.13 IN Bolt Circle Diameter, 3/4 IN Length Through Hub, 1/2 IN Thickness
For Use With Grundfos UP15, UPS15, UP26 & UPS 26 Pumps