| 材質 | 型號 |
| WCB | H44H/Y-16C～100 |
| 304 | H44W-16P～100P |
| 316 | H44W-16R～100R |
| H44法蘭旋啟式止回閥性能規范 | ||||
| 公稱壓力 | HRRH/Y-16C～100 | H44W-16P～100P | H44W-16R～100R | |
| 工作壓力（MPa） | 1.6~10.0 | |||
| 適用溫度（℃） | ≤350 | ≤200 | ||
| 適用介質 | 水、油、氣、蒸汽 | 腐蝕性介質 | ||
| 材料 | 閥體、閥蓋 | WCB | 304 | 316 |
| 閥板 | 2Cr13，304,316 | |||
| 密封面 | 合金鋼，司太立 | |||
| 銷軸 | 2Cr13，304，316 | |||
| H44法蘭旋啟式止回閥外形尺寸(mm) | ||||||||
| 公稱通徑 DN | L | D | D1 | D2 | b | Z-d | H | |
|
| ||||||||
| 25 | 160 | 115 | 85 | 65 | 16 | 4-14 | 100 | |
| 32 | 180 | 135 | 100 | 78 | 16 | 4-18 | 105 | |
| 40 | 200 | 145 | 100 | 85 | 16 | 4-18 | 115 | |
| 50 | 230 | 160 | 125 | 100 | 16 | 4-18 | 135 | |
| 65 | 290 | 180 | 145 | 120 | 18 | 4-18 | 142 | |
| 80 | 310 | 195 | 160 | 135 | 20 | 8-18 | 165 | |
| 100 | 350 | 215 | 180 | 155 | 20 | 8-18 | 180 | |
| 125 | 400 | 245 | 210 | 185 | 22 | 8-18 | 210 | |
| 150 | 480 | 280 | 240 | 210 | 24 | 8-23 | 233 | |
| 200 | 500 | 335 | 295 | 265 | 26 | 12-23 | 304 | |
| 250 | 550 | 405 | 355 | 320 | 30 | 12-25 | 348 | |
| 300 | 650 | 460 | 410 | 375 | 30 | 12-25 | 390 | |
| 350 | 750 | 520 | 470 | 435 | 34 | 16-25 | 430 | |
| 400 | 850 | 580 | 525 | 485 | 36 | 16-30 | 468 | |
