TESCOM™ Anderson Greenwood Instrumentation H7HP Hand Valves

Graphite stem packing for high-temperature service.;Free-swivelling SS ball stem prevents seating surface damage, ensures perfect alignment and bubble-tight shutoff.;One-piece handle assembly prevents loss due to vibration or maintenance.;Rolled stem threads prevent galling and extend valve life. Stem is polished to a mirror finish to minimize packing wear.;Back seat design provides secondary stem seal and prevents accidental stem blowout under pressure.;Full pressure and temperature range up to ASME Class 2500.;Patented bonnet lock prevents accidental loosening of the bonnet-to-body seal and allows panel mounting without additional parts.;Metal-to-metal bonnet-to-body seal in constant compression prevents bonnet thread corrosion, eliminates possible tensile breakage and provides a reliable seal point.;Repairable metal seat can be resurfaced, when not under pressure, without removing the valve from the line.;Materials of construction designed to meet ASME B31.1 or B31.3.;Range of optional end connections