The MILWAUKEE VALVE 509 is a 2 in. swing check valve with an inline bronze body and FNPT x FNPT threaded connections. It uses a hinged swing mechanism and is configured for one-direction flow and reverse-flow check operation. This valve is rated for use with gas, oil, steam, and water, and is specified for horizontal or vertical mounting.
Key Features:
- 2 in. nominal valve size with 2 in. female NPT connections on both ends
- Inline swing design with single-flow path and full-flow construction
- Bronze body, bronze check mechanism, bronze seat, and bronze seal material
- Flow capacity: 131 gpm; Cv: 131
- Cracking pressure: 0.750 to 1.000 psi
- Maximum water pressure: 200 psi at 150 degrees F
- Maximum steam pressure: 125 psi WSP
- Operating temperature range: -20 degrees F to 406 degrees F
- Overall length: 4.75 in.; cap to inlet center: 2-13/16 in.
- Standards: ASTM B16, ASTM B62
| Pipe Size | 2" |
|---|---|
| Hex Size | Not Applicable |
| Connection Type | Threaded |
| Connection | FNPT |
| Body Material | Bronze |
| Max. Temp. | 406 deg F |
| Material of Construction | Bronze |
| Seal Material | Bronze |
| Pipe or Tube Size - Check Valves | 2 in |
| Flow - Valves | 131 gpm |
| Sub-Category | Bronze |
| Size | 2" |
| Full Flow - Valves | Yes |
| Min. Temp. - Valves | -20 deg F |
| Mounting Position | Horizontal, Vertical |
| Flow Design | Single |
| Standards | ASTM B16, ASTM B62 |
| Length | 4-3/4 in |
| Cap to Inlet Center | 2-13/16 in |
| Max. Pressure | 125 psi SWP - 200 psi WOG |
| Cracking Pressure | 0.5 psi |
| Max. Water Pressure | 200 psi |
| Item | Swing Check Valve |
| Max. Steam Pressure - Valves | 125 psi WSP |
| Seal Material - Check Valves | Bronze |
| Body Material - Valves | Bronze |
| Connection Type - Check Valves | FNPT x FNPT |
| Max. Water Pressure - Valves | 200 psi @ 150 Degrees F |
| Cracking Pressure - Check Valves | 0.750 to 1.000 psi |
| Mechanism and Body Design | Inline Swing |
| Max. Steam Pressure | 125 psi WSP |
| Mounting Orientation - Check Valves | Horizontal, Vertical |
| Seat Material - Check Valves | Bronze |
| Item - Check Valves | Check Valve |
| Max. Temp. - Valves | 406 deg F |
| Application - Valves | General Purpose |
| Seat Material | Bronze |
| Overall Length | 4-3/4 in |
| Spring Material | Not Applicable |
| Flow | 131 gpm |
| Mounting Orientation | Horizontal |
| Pipe or Tube Size | 2 in |
| Seal | Brass |
| Type | Swing |
| For Media | Gas, Oil, Steam, Water |
| Includes Counterweight | No Counterweight |
| Vacuum Service Rating | Not Rated |
| Connection Size - Side 2 | 2 in |
| Check Mechanism | Swing |
| Connection Size - Side 1 | 2 in |
| Connection Type - Side 1 | NPT |
| ANSI Flange Class | Not Applicable |
| 3-A Standard Compliance | Not Rated |
| Check Mechanism Material | Bronze |
| Silent Check | Standard |
| Coefficient of Volume (Cv) | 131 |
| Connection Gender - Side 1 | Female |
| Valve Body Style | Inline |
| Operating Temperature - Minimum | -20 deg F |
| Connection Type - Side 2 | NPT |
| Nominal Valve Size | 2 in |
| Maximum Pressure - Steam | 125 psi |
| Height - Cap to Inlet Center | 2-13/16 in |
| Operating Temperature - Maximum | 406 deg F |
| Average Surface Roughness (Ra) | Not Applicable |
| Maximum Pressure - Operating | 200 psi |
| Connection Gender - Side 2 | Female |
| Valve Series | 509 |
| Wire Rope Length | 4-3/4 in |
| Country of Origin (subject to change) | United States |
| Package Quantity | 1 |