China Marine Cast Steel 5K Screw Down Vertical Storm Valve JIS F3060:
Marine Cast Steel Storm Valve is the non-return valve for scupper, soil and sanitary discharge lines in the ships. It is a kind of overboard discharge valve which can close automatically and prevent overboard water flow backward.
Technical Specification:
1. Design and manufacturing standard: JIS F3060-1996
2. Inspection and Test standard: JIS F7400
3. Connection Type: Flange
4. Flange standard: JIS B2220
5. Hydraulic Test Pressure: Body---0.5Mpa
Main Material:
1-Body: Cast Steel
2-Seat: Rubber(NBR)
3-Disc: Bronze (BC6) / Brass
4-Stem: Stainless Steel (SUS403)
Main Size List(mm):
| DN | H | D | C | No. | hole | t | D2 |
| 50 | 210 | 130 | 105 | 4 | 15 | 16 | 100 |
| 65 | 240 | 155 | 130 | 4 | 15 | 18 | 100 |
| 80 | 260 | 180 | 145 | 4 | 19 | 18 | 125 |
| 100 | 280 | 200 | 165 | 8 | 19 | 20 | 125 |
| 125 | 330 | 235 | 200 | 8 | 19 | 20 | 125 |
| 150 | 360 | 265 | 230 | 8 | 19 | 22 | 125 |
| 200 | 459 | 320 | 280 | 8 | 23 | 24 | 125 |