Key Features
- Conforms to JIS F-7351 standard for marine valves
- Screw down check globe design – combines shut-off and non-return function
- Bronze construction for superior corrosion resistance in seawater and steam
- Rated for steam up to 205°C and fluids up to 120°C
- Maximum working pressure: 0.49MPa (5kgf/cm²) for steam, air, gas, oil, pulsating water; 0.69MPa (7kgf/cm²) for non-shock water
- Hydrostatic test pressure: 1.03MPa (10.5kgf/cm²); seat leakage test: 0.76MPa (7.7kgf/cm²) inlet side
- Flange dimensions: 95mm diameter, 75mm bolt circle, 4 bolts of 12mm diameter
- Face-to-face length: 120mm
Technical Specifications
| Attribute | Value |
|---|---|
| Type | Globe Valve F-7351 |
| Size | 25 mm |
| Face-to-Face | 120 mm |
| Flange Diameter | 95 mm |
| Bolt Circle Diameter (PCD) | 75 mm |
| Number of Bolts | 4 |
| Bolt Hole Diameter | 12 mm |
| Working Pressure (Steam/Air/Gas/Oil/Pulsating Water) | 0.49 MPa (5 kgf/cm²) |
| Working Pressure (Non-Shock Water) | 0.69 MPa (7 kgf/cm²) |
| Hydrostatic Test Pressure | 1.03 MPa (10.5 kgf/cm²) |
| Seat Leakage Test Pressure (Inlet) | 0.76 MPa (7.7 kgf/cm²) |
| Seat Leakage Test Pressure (Outlet) | 0.39 MPa (4 kgf/cm²) |
| Unit | Per Piece (Pc.) |
Frequently Asked Questions
What is the maximum working pressure for steam?
The maximum working pressure for steam at 205°C or below is 0.49 MPa (5 kgf/cm²).
Is this valve suitable for seawater?
Yes, the bronze construction provides good corrosion resistance in marine environments, making it suitable for seawater applications.
What is the face-to-face dimension?
The face-to-face dimension is 120 mm.
What testing is performed on each valve?
Each valve undergoes a hydrostatic shell test at 1.03 MPa (10.5 kgf/cm²) and a seat leakage test per JIS F-7351 specifications.
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