国产一级一级毛片特爽高潮_久久久av无码精品亚洲日韩_国产精品成人黄片在线播放_久久成人黄色免费观看_六月婷婷七月丁香_国产粉嫩泬无套进入91_精品国产三级a在线观看后入_日韩三级在线视频_国产一区二区免费视频_日本黄色91视频

Cast

Cast steel floating ball valve

Size:NPS1/2~NPS10

Class:CL150~CL600

Design:API608,ISO17292

Connection Ends:NPT,SW,RF,BW

Main Materials:Carbon steel, alloy steel, stainless steel, dual phase steel, nickel base alloy, etc

Medium:Water, gas, steam, oil products, corrosive media, etc