亚洲爆乳无码专区,国产成人综合久久久久久,饥渴少妇BD正在播放,亚洲日韩成人精品不卡在线

Cast

Cast steel globe valve

Size:NPS2~NPS24 / DN50~DN600

Class:CL150~CL2500 / PN10~PN420

Design:BS1873,API623GB12235

Design:RF,RTJ,BW

Main Materials:Carbon steel, alloy steel, stainless steel, duplex steel, nickel base alloy

Medium:Water, steam, oil, corrosive medium