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Anderson Greenwood (AGCO) H7HP Globe Pattern Instrumentation Hand Valve
The TESCOM™ AGI – Anderson Greenwood (AGCO) H7HP is a globe pattern instrumentation hand valve used in severe service isolation, drain, and test applications providing bubble-tight shutoff. The H7HP features a metal-seated bonnet assembly which has a rotating stem with free swivel ball-type seat for long service life. All H7HP needle valves are hydrostatic tested to MSS-SP-105 requirements.
Features
- 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
- Mirror finish stem 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 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
Applications
- Globe pattern instrument hand valve used in severe service isolation
- For drain and test applications
- Chemical
ASME