... experience on valve industrial PN40 full flow heavy duty brass ball valve, made of lead free or DZR brass, chrome ... plated ball, nickle plated body, brass stem with PTFE and additional ... DZRBall MaterialBrass as above, lead free brass, Iron ball chrome coatedStem MaterialBrass as above, iron brass coatedSealingPTFE/TEFLON, VITON O-RINGSHandleStainless steel PVC ...