I wasn’t wasn’t worried about the accuracy. Shouldn’t be off more than + - 5 GPH. According to my Computer, the PDF isn’t readable. I’ve been adding this to the Chart.
McMaster-Carr PVC to BSPT Adapters;
1” Socket X 1” BSPT #4654N23
1-1/4” Socket X 1-1/4” BSPT #4654N24
1-1/2” Socket X 1-1/2” BSPT #4654N25