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Shut-off valve
Number of views:
1000
Category
Shut-off valve
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Refer to CB/T3942-2002 flanged stainless steel globe valve, suitable for the piping system of liquefied gas carriers, bulk chemical tankers, ships with nominal pressure not higher than 6.4MPa and design temperature not lower than -165℃, and other ships The stop valve of the pipeline system of corrosive medium can be used as a reference.
Basic parameters of globe valve
| Type | Nominal pressure PN MPa | Operating temperature，℃ | Nominal diameter DN mm | ||||||
| ≤20 | 100 | 150 | 200 | 250 | 300 | 350 | |||
| Maximum allowable working pressure P,MPa | |||||||||
| P2 | P10 | P15 | P20 | P25 | P30 | P35 | |||
| A、B | 1.0 | 0.95 | 0.86 | 0.81 | 0.76 | 0.71 | 0.66 | 0.36 | 65～150 |
| 1.6 | 1.52 | 1.31 | 1.29 | 1.21 | 1.13 | 1.06 | 1.01 | 125～150 | |
| 2.5 | 2.38 | 2.15 | 2.01 | 1.89 | 1.77 | 1.66 | 1.59 | 20～150 | |
| 4.0 | 3.80 | 3.44 | 3.22 | 3.02 | 2.83 | 2.65 | 2.54 | 65～100 | |
| 6.4 | 5.69 | 5.26 | 4.96 | 4.68 | 4.41 | 4.16 | 3.92 | 20～15 | |
| AS、BS | 0.6 | 0.57 | 0.52 | 0.48 | 0.45 | 0.42 | 0.40 | 0.38 | 15～300 |
| 1.0 | 0.95 | 0.86 | 0.81 | 0.76 | 0.71 | 0.66 | 0.63 | 200～300 | |
| 1.6 | 1.52 | 1.31 | 1.29 | 1.21 | 1.13 | 1.06 | 1.01 | 100～300 | |
| 2.5 | 2.38 | 2.15 | 2.01 | 1.89 | 1.77 | 1.66 | 1.59 | 15～300 | |
| 4.0 | 3.8 | 3.44 | 3.22 | 3.02 | 2.83 | 2.65 | 2.54 | 65～100 | |
| 6.4 | 5.69 | 5.26 | 4.96 | 4.68 | 4.41 | 4.16 | 3.92 | 20～50 | |
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Japanese standard globe valve
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