[Product Description] 
 J21H-160, J21W-160P, J21W-160R type male valves: manual, external thread of connection, straight-through structure, the seat sealing surface of stainless steel, working pressure 16.0 MPa, nominal sizes DN6 ~ DN15, body material of carbon steel (J21H), stainless steel (J21W), for water, steam, oil (J21H), weak caustic or corrosive (J21W) media pipeline. 

 J21H-160, J21W-160P, J21W-160R type male valve, pipe valve connected with the use of male live-fit, also called the external thread the needle valve, external thread the needle valve, electricity, electrical, mechanical and electrical equipment engineering, electronic control equipment engineering one of the most widely used valves. Because of its easy installation, making rational, economic simple, widely used in electric power engineering pipeline. 

 [Product Specifications] 
 J21H-160, J21W-160P, J21W-160R type male valve main performance parameters of type PN Working Pressure / MPa Temperature / ℃ Medium 
 J21H-160 160 16 425 less than water, steam, oil and other non-corrosive media 
 J21W-160P is less than 150 chrome-nickel stainless steel titanium 
 J21W-160R corrosive media 


 [Materials] product components 
 J21H-160, J21W-160P, J21W-160R type male model material cut-off valve parts and materials 
 Body, bonnet stem, valve, valve seat stem packing nut hand wheel 
 J21H-160 carbon chromium stainless steel forgings, aluminum bronze asbestos graphite cast iron milling 
 J21W-160P chrome-nickel steel chrome-nickel-titanium titanium stainless steel PTFE 
 J21W-160R Cr Ni Mo Ti Mo Ti-Cr-Ni stainless steel