SV Series Integral Bonnet Bar Stock Needle Valves SV Series Integral Bonnet Bar Stock Needle Valves Benefits N Pressure rating up to 6000 psig (413 bar) at 100°F (38°C) N Temperature rating from -65vF to 450°F (-54°C to 232°C) with standard PTFE packing, and up to 600°F (316°C) with optional PEEK packing N Compact and rugged design N Body materials available in Stainless Steel 316 and Alloy 400 N 100% factory tested