JIS F7398 Self Closing Valve
JIS F7398 is a self-closing valve that is typically used in piping systems to control the flow of fluids. This valve has a self-closing function that closes automatically when the flow of fluid stops, preventing backflow or leakage of fluid. JIS F7398 self-closing valves are commonly used in the field of ship repair, construction and so on.
Overview
Installation Location
Self-closing valves are mainly installed in the ship's hatches, hatches, drainage systems and piping systems to ensure that the ship can effectively prevent seawater from backing up or waves from overflowing when sailing or berthing, and keep the ship's interior dry and safe.
Drawing
Main Specification
F7398 10K F Type | ||||
DN | L | H | D | C |
25 | 130 | 25 | 125 | 90 |
40 | 180 | 40 | 140 | 105 |
50 | 220 | 450 | 155 | 120 |
F 7398 5K U Type | F 7398 10K U Type | ||||||||||||||||
DN | L | L1 | L2 | H | H1 | H2 | D | C | DN | L | L1 | L2 | H | H1 | H2 | D | C |
10 | 110 | 55 | 55 | 155 | 35 | 60 | 80 | 60 | 10 | 110 | 55 | 55 | 155 | 35 | 60 | 90 | 65 |
15 | 110 | 55 | 55 | 155 | 35 | 60 | 80 | 60 | 15 | 110 | 55 | 55 | 155 | 35 | 60 | 95 | 70 |
20 | 130 | 65 | 65 | 155 | 35 | 70 | 85 | 65 | 20 | 130 | 65 | 65 | 155 | 35 | 70 | 100 | 75 |
25 | 130 | 65 | 65 | 160 | 40 | 67 | 95 | 75 | 25 | 130 | 65 | 65 | 160 | 40 | 67 | 125 | 90 |
32 | 170 | 80 | 90 | 230 | 50 | 85 | 115 | 90 | 32 | 170 | 80 | 90 | 230 | 50 | 85 | 135 | 100 |
40 | 190 | 90 | 100 | 240 | 60 | 96 | 120 | 95 | 40 | 190 | 90 | 100 | 240 | 60 | 96 | 140 | 105 |
50 | 240 | 110 | 110 | 255 | 75 | 116 | 130 | 105 | 50 | 240 | 110 | 130 | 255 | 75 | 116 | 155 | 120 |
65 | 240 | 110 | 110 | 260 | 75 | 116 | 155 | 130 | 65 | 240 | 110 | 130 | 260 | 75 | 116 | 175 | 140 |