The MILWAUKEE VALVE 509 is a 1/2 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 checking. This valve is rated for gas, oil, steam, and water service and features a full-flow design with a 10 gpm flow rating.
Key Features:
- Valve type: Swing check valve with inline body design
- Body material: Bronze
- Check mechanism material: Brass
- Connection size: 1/2 in. on both sides
- Connection type: FNPT x FNPT, female NPT threaded ends
- Cracking pressure: 0.750 to 1.000 psi
- Flow capacity: Cv 10; 10 gpm
- Pressure ratings: 200 psi at 150 degrees F for water; 125 psi WSP steam; 125 psi SWP; 200 psi WOG maximum pressure
- Temperature range: -20 degrees F to 406 degrees F
- Mounting orientation: Horizontal or vertical
- Seat material: Brass
- Seal material: Bronze
- Overall length: 2.25 in.
- Standards: ASTM B16, ASTM B62
| Pipe Size | 1/2" |
|---|---|
| Hex Size | Not Applicable |
| Connection Type | Threaded |
| Connection | FNPT |
| Body Material | Bronze |
| Seal Material - Check Valves | Bronze |
| Item - Check Valves | Check Valve |
| Max. Steam Pressure | 125 psi WSP |
| Seal Material | Bronze |
| Length | 2.31 in |
| Application - Valves | General Purpose |
| Cap to Inlet Center | 1-7/16 in |
| Sub-Category | Bronze |
| Min. Temp. - Valves | -20 deg F |
| Cracking Pressure - Check Valves | 0.750 to 1.000 psi |
| Max. Steam Pressure - Valves | 125 psi WSP |
| Max. Pressure | 125 psi SWP - 200 psi WOG |
| Size | 1/2" |
| Cracking Pressure | 0.5 psi |
| Item | Swing Check Valve |
| Connection Type - Check Valves | FNPT x FNPT |
| Pipe or Tube Size - Check Valves | 1/2 in |
| Max. Temp. | 406 deg F |
| Mechanism and Body Design | Inline Swing |
| Flow - Valves | 10 gpm |
| Max. Water Pressure | 200 psi |
| Full Flow - Valves | Yes |
| Mounting Position | Horizontal, Vertical |
| Body Material - Valves | Bronze |
| Mounting Orientation - Check Valves | Horizontal, Vertical |
| Max. Water Pressure - Valves | 200 psi @ 150 Degrees F |
| Seat Material - Check Valves | Brass |
| Max. Temp. - Valves | 406 deg F |
| Flow Design | Single |
| Standards | ASTM B16, ASTM B62 |
| Material of Construction | Bronze |
| Spring Material | Not Applicable |
| Seat Material | Bronze |
| Flow | 10 gpm |
| Overall Length | 2-1/4 in |
| Pipe or Tube Size | 1/2 in |
| Mounting Orientation | Horizontal |
| Seal | Brass |
| Type | Swing |
| Check Mechanism Material | Brass |
| Check Mechanism | Swing |
| Connection Gender - Side 1 | Female |
| Connection Size - Side 2 | 1/2 in |
| Connection Gender - Side 2 | Female |
| Coefficient of Volume (Cv) | 10 |
| Maximum Pressure - Operating | 200 psi |
| Includes Counterweight | No Counterweight |
| ANSI Flange Class | Not Applicable |
| Height - Cap to Inlet Center | 1-5/16 in |
| Maximum Pressure - Steam | 125 psi |
| Vacuum Service Rating | Not Rated |
| Average Surface Roughness (Ra) | Not Applicable |
| Nominal Valve Size | 1/2 in |
| Valve Body Style | Inline |
| Connection Type - Side 2 | NPT |
| 3-A Standard Compliance | Not Rated |
| Operating Temperature - Minimum | -20 deg F |
| For Media | Gas, Oil, Steam, Water |
| Connection Type - Side 1 | NPT |
| Silent Check | Standard |
| Operating Temperature - Maximum | 406 deg F |
| Connection Size - Side 1 | 1/2 in |
| Valve Series | 509 |
| Wire Rope Length | 2-1/4 in |
| Country of Origin (subject to change) | United States |
| Package Quantity | 1 |