INVALCO’s Series 455 Valve can be used in any low to moderate pressure application that requires discharge of large amounts of fluid quickly. This could be large treaters, separators, free water knockouts, etc.
Specifications
| Body Material | Ductile Iron A-395 |
| Body Cover | Ductile Iron A-395 |
| End Connections | 2″, 3″, 4″ and 6″ 150# Flanges |
| Diaphragm Operator | Steel – see chart for topworks size Nylon reinforced Buna N Maximum recommended operating pressure 70 psi Maximum containment pressure 100 psi |
| Packing | Non-Lubricated Buna N |
| Maximum Working Pressure | 275 psi @ -20°F to +150°F 150 psi @ +250°F |
| Temperature Limits | -20°F to 250°F |
| Stem Material | 303 stainless steel |
| Seat Material | 304 stainless steel seat/cage |
| Plug* | Replaceable Buna-N |
Note: * = See valve trim section for optional trim.