Invalco 510 Valve
The INVALCO Series 510 Valve can be used for maintaining back pressure on vent lines from separators, treaters, dehydrators, compressor stations, gas gathering systems, etc.
Back Pressure Valve with External Sensor Line Series 510, Ductile Body
SPECIFICATIONS
| Body and Cover | Ductile A-395 |
| End Connections | 2″, 3″, 4″ and 6″ ANSI 150# RF Flanges |
| Diaphragm Case | Steel, 26 sq. in. or 65 sq. in.* |
| Diaphragm | Nylon reinforced Buna N |
| Temperature Limits | -20°F to 250°F** |
| Containment Pressure | 125 psi ** |
| Packing | Non-lubricated Buna-N |
| Stem | 303 Stainless Steel**** |
| Cages and Guides | 304 Stainless Steel |
| Seats | 2″, 3″, and 4″…304 Stainless Steel 6″…303 Stainless Steel**** |
| Valve Plugs | 2″, 3″, and 4″ Replaceable Buna**** 6″ Fluoroelastomer O-Ring |
| Seat-to-Body Seals | O-Ring |
| Spring Ranges | 0-125 psi (see chart on page 2) |
| Pressure Increase Required From Full Closed to Full Open |
Spring Range …………………………. Increase 0-25 psi ………………………………………..……. 2.7 psi 20-40 psi …………………………………………… 4.0 psi 40-60 psi ………………………………………….. 9.0 psi 60-125 psi ………………………………….…….. 10.5 psi |