Marine Cast Iron 5K Screw Down Check Angle Valve JIS F7354:
China Marine Cast Iron 5K Screw Down Check Angle Valve JIS F7354:
Marine Cast Iron Angle Screw Down Check Valve is called marine angle SDNR valve for short, also can be called marine angle check valve, angle non return valve, suitable for fresh water,steam, air and oil pipe lines, used to shut off/turn on the medium, adjust the flow rate and prevent the medium black flow.
Technical Specification:
1.Design & Manufacturing Standard: JIS F7354-1996
2. Inspection & Test Standard: JIS 7400-1996
3. Flange Standard: JIS B2220 5K FF
4.Suitable Medium: Steam, Oil, Gas, Air, Water..etc.
Max Working Pressure:
| Fluid Condition | Max Working Pressure (Mpa) | |||
| DN200 or less | DN250,DN300 | DN350,DN400 | ||
| Class B | Class S | Class B | Class B | |
| Steam of 230℃or less | - | 0.5 | - | - |
| Steam of 205℃or less | 0.5 | 0.5 | - | - |
| Air and gas | 0.5 | 0.5 | 0.5 | - |
| Oil and pulsation water | 0.5 | 0.5 | 0.5 | 0.3 |
| Non-shock water of 120℃or less | 0.7 | 0.7 | 0.7 | 0.6 |
Hydraulic Test Pressure:
| Nominal Size | Test Pressure (Mpa) | |
| Watertight for Valve Seat | Watertight for Valve Body | |
| 300 or less | 0.77~0.44 | 1.05 |
| 350 & 400 | 0.66~0.3 | 0.9 |
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
Main Size(mm):
| IMPA Code | Size | L1 | D | C | No of Bolt Hole | h | t | D2 | H |
| 751116 | 50 | 100 | 130 | 105 | 4 | 15 | 16 | 160 | 240 |
| 751117 | 65 | 115 | 155 | 130 | 4 | 15 | 18 | 180 | 255 |
| 751118 | 80 | 130 | 180 | 145 | 4 | 19 | 18 | 180 | 265 |
| 751119 | 100 | 150 | 200 | 165 | 8 | 19 | 20 | 224 | 310 |
| 751120 | 125 | 170 | 235 | 200 | 8 | 19 | 20 | 250 | 330 |
| 751121 | 150 | 190 | 265 | 230 | 8 | 19 | 22 | 280 | 380 |
| 751122 | 200 | 220 | 320 | 280 | 8 | 23 | 24 | 315 | 450 |
| 751123 | 250 | 275 | 385 | 345 | 12 | 23 | 26 | 355 | 540 |
| 751124 | 300 | 310 | 430 | 390 | 12 | 23 | 28 | 400 | 610 |
| 751125 | 350 | 360 | 480 | 435 | 12 | 25 | 30 | 500 | 690 |
| 751126 | 400 | 395 | 540 | 495 | 16 | 25 | 30 | 630 | 770 |
