This valve is a high-pressure three-way valve with a nominal pressure of PN10MPa. 303 A7501 pressure gauge three-way valve nominal pressure PN10MPa strength test pressure PN15, sealing test pressure PN1.6, working temperature ≤ 250 ℃ working medium: water, steam, oil code internal thread external thread size (mm) LH303M20 × 1.5M20 × 1.5112111 main parts material part name material valve body Q235/304 sealing element graphite handwheel HT20-40

| code | female | male thread | size(mm) | Part name | material | |
| valve body | Q235/304 | |||||
| 303 | M20x1.5 | M20x1.5 | L | H | Sealing | graphite |
| 112 | 111 | handwheel | HT20-40 | |||
| Nominal pressure | 10Mpa | |||||
| strength test pressure | 15Mpa | |||||
| Seal test pressure | 1.6Mpa | |||||
| operation temperature | ≤250℃ | |||||
| Working medium | Water, steam, oil | |||||