Autoclave Engineers 针型阀20SM9071-BNEEDLE VALVES, SM SERIES - 20,000 PSI中压（SM）系列（20000psi）无旋转设计，避免阀杆和阀座磨损和咬合；规格型号：1/4″— 1-1/2″；连接方式：螺纹连接；工作温度：-252°C — 649°C材质：316不锈钢。

派克 Autoclave 的SM系列针形阀是非旋转上升式阀杆设计，工作压力可达20,000 psi(1379 bar).管道尺寸从1/4" 到 1-1/2".钢管连接采用派克 Autoclave Engineers 锥形和螺纹设计。Medium Pressure SM Series Needle Valve with Pressures to 20,000 psi (1379 bar)Parker Autoclave's SM Series needle valves are designed with large ports for high flow applications. These valves have a non-rotating rising stem bar stock design with working pressures to 20,000 psi (1379 bar). The cone and thread connections utilize Parker Autoclave tubing with sizes from 1/4" to 1". Operating temperatures can go from -423F to 1200°F (-252°C to 649°C) with special graphite braided yarn packing (HT). 316 stainless steel construction is the standard material with other options available. Along with their many features these valves provide dependable and trouble free service in wide variety of applications.