Product Series Description
Features & Benefits
| Automatic Valve | Automatic float operated valve designed to release accumulated air from a piping system while the system is in operation and under pressure. |
|---|---|
| Construction | Cast iron (A126-B) body with corrosion resistant stainless steel float and seat assembly. |
| Connection | Valve cover is fitted with a 1/2" N.P.T. plugged connection that can be fitted with a manual valve to decrease start-up time during system filling. |
Dimensional Data
| Size NPT | A in (mm) | B in (mm) | C in (mm) | D in (mm) | Orifice Size NPT | Weight Lbs. Kgs | |
| Inlet | Outlet | ||||||
| 3/4 | 1/2 | 4.75 | 5.25 | 4 | 1/2 | 0.063 | 5.5 |
| 20 | 15 | 121 | 133 | 102 | 15 | 1.6 | 2.5 |
Parts List
| Item | Description | Specification |
|---|---|---|
| 1 | Body | A126-B Cast Iron |
| 2 | Cover | A126-B Cast Iron |
| 3 | Lever Frame | A240-304 Stainless Steel |
| 4 | Seat | A240-304 Stainless Steel |
| 5 | Float | A240-304 Stainless Steel |
| 6 | Gasket | Non Asbestos |
| 7 | Cover Bolt | SAE Grade 5 Carbon Steel |
| 8 | Float Arm | A240-304 Stainless Steel |
| 9 | Orifice Button | Viton |
| 10 | Pivot Pin | A240-304 Stainless Steel |
| 11 | Pin Retainer | A240-304 Stainless Steel |
| 12 | Plug Pipe 1/2" | A126-B Cast Iron |
| 13 | Locator | ASTM A276 18-8 Stainless Steel |
Parts Diagram
Operational Limitations
Maximum Working Pressure Limits
| EOA Series | Body Material | M.A.W.P. PSIG (Bars) |
| CIA-075 | A126-B | 150 (10.34) |
Test Pressure Limits
| Orifice Material | Upper Limit °F (°C) |
| Viton | 250°F (121°C) |
Lower Temperature Limits
| Body Material | Lower Limit °F (°C) |
| A126-B | -20°F (-28.9°C) |
Competitor Cross Reference
| Company | IFC | Spirax Sarco | Metraflex | John Wood |
| Part No. | AR150 | 13WS | MV-15A | JHAV 63.075 |