日标青铜直角消防阀 JIS F7334B 5K/10K
Standard Materials
| body | bc6 |
| bonnet | bc6 |
| disc | bc6 |
| stem | c37710bd or be |
| gasket | non-asbestos |
| DN | d | L | D | C | NO. | h | t | H | D2 | L1 | d1 |
| 5K50 | 50 | 155 | 130 | 105 | 4 | 15 | 14 | 240 | 160 | 100 | M64×2 |
| 10K50 | 50 | 160 | 155 | 120 | 4 | 19 | 16 | 255 | 160 | 120 | M64×2 |
| 10K65 | 65 | 180 | 175 | 140 | 4 | 19 | 18 | 270 | 200 | 130 | M80×2 |