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

Casting

Casting steel gate valves

Size:NPS2~NPS60 / DN50~DN1600

Class:CL150~CL2500 / PN10~PN420

Design:API600,GB12234

Connection Ends:RF,RTJ,BW

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

Medium:Water, steam, oil, corrosive medium