China Marine Cast Iron 10K Globe Valve JIS F7307:
Marine Cast Iron Globe Valve JIS F7307 is the stop valve used in the marine steam, air, fuel oil, lubrication oil, fresh water and water feeding lines. The function is to shut off/turn on the medium and adjust the flow rate.
Technical Specification:
1. Design & Manufacturing Standard: JIS F7307
2. Inspection and Test Standard: JIS F7400
3. Suitable Medium: Steam, Oil, Gas, Air, Water..etc.
4. Flange Standard: JIS B2220 10K FF
Main Material:
Class B:
1.Body/Bonnet---Cast Iron
2. Seat---Bronze
3. Disc---Bronze
4. Stem---Brass
Class S:
1.Body/Bonnet---Cast Iron
2. Seat---Stainless Steel
3. Disc---Stainless Steel
4. Stem---Stainless Steel
Hydraulic Test Pressure:
| Nominal Size | Test Pressure (Mpa) | |
| Watertight for Valve Seat | Watertight for Valve Body | |
| 200 or less | 1.54 | 2.1 |
| 250 or more | 1.1 | 1.5 |
Max Working Pressure:
| Fluid Condition | Max Working Pressure (Mpa) | |||
| DN200 or less | DN250 or more | |||
| Class B | Class S | Class B | Class S | |
| Steam of 230℃ or less | - | 1.0 | - | - |
| Steam of 205℃ or less | 1.0 | 1.0 | - | - |
| Saturated steam | 1.0 | 1.0 | 0.5 | 0.5 |
| Air and gas | 1.0 | 1.0 | - | - |
| Oil and pulsation water | 1.0 | 1.0 | - | - |
| Non-shock water of 120℃ or less | 1.4 | 1.4 | 1.0 | 1.0 |
Main Size(mm):
| IMPA CODE | Size | L | D | C | t | H | No of Bolt | h | D2 |
| 750231 | 50 | 220 | 155 | 120 | 20 | 285 | 4 | 19 | 160 |
| 750232 | 65 | 270 | 175 | 140 | 22 | 310 | 4 | 19 | 200 |
| 750233 | 80 | 300 | 185 | 150 | 22 | 320 | 8 | 19 | 200 |
| 750234 | 100 | 350 | 210 | 175 | 24 | 370 | 8 | 19 | 250 |
| 750235 | 125 | 420 | 250 | 210 | 24 | 420 | 8 | 23 | 280 |
| 750236 | 150 | 490 | 280 | 240 | 26 | 470 | 8 | 23 | 315 |
| 750237 | 200 | 570 | 330 | 290 | 26 | 555 | 12 | 23 | 355 |
| 750238 | 250 | 740 | 400 | 355 | 30 | 680 | 12 | 25 | 450 |
| 750239 | 300 | 840 | 445 | 400 | 32 | 770 | 16 | 25 | 500 |