SeriesRubber Disc Check Valves
| Main specifications | |||||||||
| Type | PN（MPa） | Shell test pressure | Seal test pressure | Highest working pressure | Working temperature | ||||
| H44X-10 | 1.0MPa | 1.1 | 1.5 | 1 | ≤80℃ | ||||
| H44X-16 | 1.6MPa | 1.76 | 2.4 | 1.6 | |||||
| Major parts material | |||||||||
| Part name | Body | Bonnet | Disc | ||||||
| Material | Cast iron | Cast iron | Steel + nylon reinforced rubber | ||||||
| Main dimension | |||||||||
| Type | DN | L | D | D1 | dn | n | |||
| H44X-10/16 | 50 | 203 | 165 | 125 | 17.5 | 4 | |||
| 65 | 216 | 185 | 145 | 17.5 | 4 | ||||
| 80 | 241 | 200 | 160 | 17.5 | 8 | ||||
| 100 | 292 | 220 | 180 | 17.5 | 8 | ||||
| 150 | 356 | 285 | 240 | 22 | 8 | ||||
| 200 | 495 | 340 | 295 | 22 | 8 | ||||
| 250 | 622 | 395 | 350 | 22 | 12 | ||||
| 300 | 698 | 445 | 400 | 22 | 12 | ||||
| 350 | 787 | 505 | 460 | 22 | 16 | ||||
| 400 | 914 | 565 | 515 | 22 | 16 | ||||
| 450 | 978 | 615 | 565 | 26 | 20 | ||||
| 500 | 978 | 670 | 620 | 26 | 20 | ||||
| 600 | 1295 | 780 | 725 | 30 | 20 | ||||