OverviewThe P63 is a pilot-operated relief valve / back pressure regulator designed to maintain upstream pressure below a set point. The pilot control provides accurate pressure setting while the main valve delivers high flow capacity. When upstream pressure exceeds the set point the main valve opens to relieve flow until pressure returns below set point, at which point the valve re-seats and remains closed.
Features- Stable startup and controlled opening
- Easy in-line maintenance and quick access to internal components
- Quick-change trim package for fast service
Applications- Commercial and industrial pressure protection
- City/district gate relief and bypass stations
- Plant compressed-air and utility systems
Product Specifications- Model: P63
- Port Size: 2" NPT or Flange; 3" Flange (future); 4" Flange
- Body Sizes: 2", 4"
- Spring Range: Main Spring ranges: 10–40 PSIG; 40–125 PSIG; 85–400 PSIG
- Body Material: Plug 316 Stainless Steel; Body and Body Flange WCB Steel; Cage Stainless Steel (standard linear)
- Pilot Operated: Yes
- Connection: NPT, Flanged
- Flange Type: 150 RF, 300 RF
Technical specifications- Applications: Pressure protection for commercial and industrial systems
- Operation: Pilot-operated for accurate set point control and high flow capability
- Serviceability: In-line maintenance and quick-change trim minimize downtime