China Marine Cast Iron 16K Screw Down Check Globe Valve JIS F7377:
Marine Cast Iron Screw Down Check Globe Valve JIS F7377 is 16K stop check valve used in the marine steam,air, fuel oil, lubrication oil, fresh water and water feeding lines. It has the function of globe valve and check valve. The function is to shut off/turn on the medium,adjust the flow rate and prevent the back flow of medium. It is also called as marine SDNR valve.
Technical Specification:
1. Design & Manufacturing Standard: JIS F7377-1996
2. Inspection and Test Standard: JIS F7400
3. Suitable Medium: Steam, Oil, Water..etc.
4. Flange Standard: JIS B2220 16K FF
5. Hydraulic Test Pressure: 3.3Mpa for body, 2.42Mpa~0.4Mpa for seat.
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
Max Working Pressure:
| Fluid Condition | Max Working Pressure (Mpa) | |
| Class B | Class S | |
| Steam of 230℃ or less | - | 1.6 |
| Steam of 205℃ or less | 1.6 | 1.6 |
| Air,gas,oil and pulsation water | 1.6 | 1.6 |
| Non-shock water of 120℃ or less | 2.2 | 2.2 |
Main Size(mm):
| IMPA CODE | DN | L | D | C | No of bolt hole | h | t | H | D2 | Weight(kgs) |
| 751151 | 50 | 220 | 155 | 120 | 8 | 19 | 20 | 285 | 160 | 19.6 |
| 751152 | 65 | 270 | 175 | 140 | 8 | 19 | 22 | 310 | 200 | 28.3 |
| 751153 | 80 | 300 | 200 | 160 | 8 | 23 | 24 | 340 | 224 | 40.4 |
| 751154 | 100 | 350 | 225 | 185 | 8 | 23 | 26 | 385 | 250 | 56.9 |
| 751155 | 125 | 430 | 270 | 225 | 8 | 25 | 26 | 455 | 315 | 89.5 |
| 751156 | 150 | 500 | 305 | 260 | 12 | 25 | 28 | 510 | 355 | 123 |
| 751156 | 200 | 570 | 350 | 305 | 12 | 25 | 30 | 630 | 450 | 188 |