"NIHAN' single piece Jacketed Type Flanged Ball Valves, full bore screwed end connection bsp / npt type blow out proof stem. Floating ball design, mounts in minimum space in any position free flow from either direction. No lubrication or preventive maintenance. Available in cl. Ms. Cs, ss304 cf8, ss316 cf8m and other alloy steels. Size: 1/4" to 2. Bigger size on request. Screwed connection confirming to ansi b2. 1 or bs21/is 554. Also available in male connection or with female connection. Pressure up to 5000 psi.