... Brass ball valve1, Material Valve body stem/ball: brass Cn39Pb3 according to EN12164 or EN12165, CW617, CW614 Seal: PTFE2, Size 1/2”, 3/4”, 1”, 1-1/4”, 1-1/2”, 2”, 2-1/2”, 3 ... )4. Fastening washer: Teflon5. Handle (lever): iron, aluminum, steel 6. Valve bolt: SS7. NPT, BSPT, G screwSize: 1/2, 3/4, 1,1-1/4,1-1/2,2 inch