Internal thread needle valve is an advanced connection valve in power plants, refineries, chemical plants, and instrument measurement pipelines. Needle valves have good sealing performance and long service life. Even if the sealing surface is damaged, only vulnerable parts need to be replaced to continue using them.

 

Part name Valve stem, valve cover

 

Stem, Bonnet stem, disc

 

Stem, disc packing

 

Packing J13W-16P chromium nickel stainless steel

 

Cr. Ni Stainless Steel

 

Cr. Ni Stainless Steel PTFE, Flexible Graphite PTFE, Soft Graphite J13W-160, J13W-40 High Quality Carbon Steel

 

High grade carbon steel chromium stainless steel