Model D Overview
The Model D is the inline relief valve in the family. It stays bubble-tight until pressure reaches the set point, then opens instantly to relieve the protected system.
Key features
- Set point range 5 to 2,000 psi
- Orifices usually full bore or greater
- Unaffected by pulsating pressures or changing ambient temperature at the pin
- Stainless-steel seat and piston standard
- Options include a proximity sensor, pin storage, a flush port and a safety cage
Common applications
- Chemical process plants
- Refineries
- Pipelines and midstream
- Separators
- Paper mills
- Wastewater processing