Specifications
| Parameter | Specification |
|---|---|
| Series | SICCA 800-4500 PCF |
| Body Material | A182 F304/F316/F304L/F316L |
| Pressure Class | Class 800, 1500, 2500, 4500 |
| Size Range | NPS ¼–2 |
| Max Temperature | 816°C (F304/F316) |
| Max Pressure | 745 bar |
| Design Standard | API 602 / ASME B16.34 |
| End Connections | Socket Weld, Threaded, Butt Weld |
| Construction | Bolted cover (800), seal-welded (1500+), spring-loaded disc |
| Trim / Sealing | SS disc, integral ST6 seat |
Material & Applications
Why Stainless Steel F304/F316: F304/F316 at extreme pressures. Spring-loaded disc ensures positive closure in corrosive low-flow conditions.
Typical applications: Chemical injection check, pharmaceutical, marine HP, food-grade backflow prevention.
Pressure/Temperature Ratings
| Rating | Pressure at Temperature | |||
|---|---|---|---|---|
| F316 800 | 132 bar @ 38°C | 83 bar @ 316°C | 67 bar @ 538°C | 8 bar @ 816°C |
| F316 4500 | 745 bar @ 38°C | 467 bar @ 316°C | 376 bar @ 538°C | 43 bar @ 816°C |