JIS 5K Cast Steel Vertical Storm Valves
JIS 5K storm valve is integrally cast of high-quality bronze, cast steel and cast iron, offering excellent seawater corrosion resistance and oxidation resistance. Its gravity self-closing structure ensures automatic tight shut-off to prevent seawater backflow and wave splashing.
Overview
Application:It is professionally installed on ship hull scupper and outer wall drainage pipelines for outward discharge. Widely applicable for yachts, cargo ships and offshore vessels to stabilize hull drainage under rough sea conditions.
Material Specification:
| Part No. | Part Name | Material | Material Code |
| 1 | Body | Cast Steel | SC49 |
| 2 | Seat | Rubber | NBR |
| 3 | Disc | Bronze | BC6 |
| 4 | Stem | Stainless Steel | SUS403 |
Technical Specification:
| Nominal Diameter | Test Pressure MPa (kgf/cm) |
| 50 to 200 | 5.1 |
Drawing:
Dimensions:
| Type | Size | H | D | C | No. | h | t | L₁ | D₂ | kg |
| F3059 Vertical | 50 | 210 | 130 | 105 | 4 | 15 | 16 | – | 100 | 11.5 |
| 65 | 240 | 155 | 130 | 4 | 15 | 18 | – | 100 | 16.5 | |
| 80 | 260 | 180 | 145 | 4 | 19 | 18 | – | 125 | 21.6 | |
| 100 | 280 | 200 | 165 | 8 | 19 | 20 | – | 125 | 29.6 | |
| 125 | 330 | 235 | 200 | 8 | 19 | 20 | – | 125 | 43.6 | |
| 150 | 360 | 265 | 230 | 8 | 19 | 22 | – | 125 | 51.6 | |
| 200 | 459 | 320 | 280 | 8 | 23 | 24 | – | 125 | 106.5 |
