Assistant valve enterprise to win the world
通径:NPS1/4"~4", DN8~100 压力:1000PSI 材质:WCB, CF8, CF8M, CF3M 温度:-29~120℃ 标准:ASME B16.34, API 6D, API 608, ASME B1.20.1, ISO 7-1, ISO 228 介质:Water, Oil, Gas