Virgin Engineers Forged Steel Valves are available in size range from ½” to 2” with NPT, S/W, B/W and flanged end connections with gland packing- Grafoil, Graphite, Asbestos, PTFE. Stem/Spindle – AISI316/AISI410, Temperature varies as per packing material range from cryogenic upto 750 Celsius.