Needle valves are a tough, durable, and reliable way to control flow through a closed pipe system. Connection (A): 1/2 NPT Female; Connection (B): 1/2 NPT Female; Connection (C): 1/2 NPT Female; Handle Type: T; Pressure Class: 0 PRM Needle Valve - 304 Stainless Steel, Needle valves use a tapered pin to gradually open for fine control of flow and for positive leak tight... Instrumentation valves have end connections with two sleeves that bit into tubing as you tighten the nut, which gives these extra gripping power and forms a tight seal for high pressure applications. Handle Material: 304 Stainless Steel; Seat Material: PTFE USA INDUSTRIALS, 1 1/2 in, 304 Stainless Steel, Manual Two-Way Ball Usa Sealing ZUSA-VLV-103 NEEDLE VALVE ANGLED BODY MATEIAL Stem Material: 316 Stainless Steel; Body Length: 2.52; Flow Coefficient (Cv): 0.7; Temperature Range: -65 to 450° F A-C Condenser - Pacific Best Inc Turn the handle to adjust flow in small increments for metering, sampling, and other applications requiring fine flow control.