https://www.zurn.com/products/fire-protection/fire-valve/hose-valves-(non-regulating)/f100
https://www.zurn.com/media-library/web_documents/pdfs/specsheets/fv-f100
https://www.asc-es.com/products/mtm-40andgr-40-spf-welded-outlet-fittings
https://www.zurn.com/products/water-control/shut-off-valves/48osy