Check the listing for details. 3/8" Needle Valve 6000 PSI Stainless Steel Straight Needle Valve Hydraulic Flow. Color: Silver, Condition: New, Made in Unknown. Listed at 12.89 USD. Description This needle valve is made of high-quality 316 stainless steel, which has strong adaptability and is convenient for you to install where you need it. It can control fluid movement conveniently and accurately. And it has good sealing and non-toxic and harmless characteristics, so you can use it safely. Key Features Strong Applicability: It can withstand the pressure of 30-40 MPa and the working temperature of - 4~302 ℉, so it can meet most of your daily needs. Safe to Use: It is also a high-pressure valve that can set the pressure in the circuit components to counterbalance external forces or weight and increase the safety of its use. And it does not need to be welded when it is connected to the pipe, which is conducive to fire prevention and explosion prevention of aerial wor.