The Series 418 and Series 420 are ideal for high pressure separators, dehydrators, or any application where it is necessary to control the fluid output.
Specifications
| Body Material | Series 420 Steel WCB Series 418 Ductile A-395 |
| End Connections | 1″ and 2″ FNPT |
| Body Cover | Steel, Union |
| Diaphragm Operator | Nylon Reinforced Buna N Diaphragm, Maximum Recommended Operating Pressure 70 psi Maximum Containment Pressure 100 psi |
| Packing | Non-Lubricated Buna N |
| Maximum Working Pressure | See schedule on page 2 |
| Temperature Limits | -20°F to 250°F |
| Stem Material | 303 stainless steel |
| Plug and Seat | See download |