900LB High Pressure Seal Bonnet Gate Valve,40 Inch,WCB Body,Butt Weld End
1. Pressure self-tightening seal is adopted, and the two ends of the valve body branch are welded.
2. The valve seat and valve sealing surface are made of cobalt-based hard alloy plasma spray welding, which has good wear resistance and scratch resistance.
3. The valve stem is treated by corrosion-resistant nitriding, which has good corrosion resistance and scratch resistance.
没有评论:
发表评论