PVC ball valves, butterfly valves, check valves and other valves100% factory tested to ensure no leakage. 10" -15 "white white and blue ball ; gray, whiteGB), Metric (DIN), American Standard (ANSI), British standard (BS), Japanese standard (JIS) and other standards; threaded connections can be an American National Standard thread (NPT ) and the British standard pipe thread ( BSPT ), easy to install good sealing performance. Quality 100% factory tested to ensure no leakage . Pure resin, life of . PVC bottom valve PVC PVCPlastic Tap PPR PPR pipe, PE-RT to warm pipes and other plastic piping systems 13,784,497,045 ; Mr. He Jianguo