The Series 415 is ideal for low-pressure separators or any application that needs to dump large volumes or fluid quickly. The Series 416 is ideal for high pressure separators or any application that requires moving large volumes of fluid quickly.
Specifications
| Body Cover | Steel |
| End Connections | 2″ FNPT and 2″ grooved |
| Diaphragm Cases | Steel |
| Diaphragm | 65 sq. in. reinforced Buna N Maximum recommended operating pressure 70 psi Maximum containment pressure 100 psi |
| Packing | 1/2 x 1 inch Non-Lubricated Buna N |
| Stem, Seat, Plug | 303 S.S., Fluoroelastomer Facing |
| Body Material | See Ordering Information Chart |
| Maximum Working Pressure | See Chart |
| Temperature Limits | -20°F to 250°F |
| Valve Travel | 1-1/8 inches |
| Spring Rate | 750 lbs per inch |
| Spring Pre-load | (3-15 psi Bench Range) Norm. 210 lbs. Maximum 750 lbs. |
| Flow Direction | Under the seat for precise modulation. Over the seat for shut-in service, on-off service, noncritical modulation. |
| Flow Characteristic | Modified equal percentage, see graph. |