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Needle-shaped stop valve
Model: J23W
Nominal diameter: DN15-150mm
test pressure: PN16-64MPa
Main material: stainless steel
connection type: screw
temperature: normal
pressure environment: atmospheric
Operation: manual
flow direction: one-way
Medium: high corrosion Chemical medium
Nominal diameter: DN15-150mm
test pressure: PN16-64MPa
Main material: stainless steel
connection type: screw
temperature: normal
pressure environment: atmospheric
Operation: manual
flow direction: one-way
Medium: high corrosion Chemical medium
Product details
J21W stainless steel needle valve main parts and materials
| Part Name | Stem, valve cover | Stem, valve flap | filler |
| J21W-16P | Chrome nickel stainless steel | Chrome nickel stainless steel | PTFE, flexible graphite |
| J21W-40, J21W-160 | High-quality carbon steel | Chrome stainless steel |
J21W stainless steel needle valve performance specifications
| model | Nominal pressure (MPa) | Test pressure PS (MPa) | Working pressure (MPa) | Working temperature (??) | Suitable media | ||
| case | Sealed (liquid) | Seal (gas) | |||||
| J21W-16 | 1.6 | 2.4 | 1.76 | 0.6 | 1.6 | P ?? 200 ?? C | Liquefied petroleum gas water, oil and so on |
| J21W-40P | 4.0 | 6.0 | 4.4 | 0.6 | 4.0 | ||
| J21W-160 | 16.0 | 17.6 | 17.6 | 0.6 | 16.0 | C ?? 425 ?? C | |
| J21W-320P | 32.0 | 48.0 | 35.2 | 0.6 | 32.0 | ||
J21W stainless steel needle valve main dimensions and connection dimensions
| Nominal diameter (mm) | Size | Weight (Kg) | ||||||
| D0 | D1 | D2 | L | H1 | H2 | M | ||
| 6 | 70 | 14 | 6 | 135 | 96 | 106 | 20 ?? 1.5 | 0.8 |
| 10 | 80 | 18 | 10 | 156 | 115 | 125 | 24 ?? 1.5 | 1.1 |
| 15 | 100 | 22 | 15 | 180 | 122 | 132 | 30 ?? 2 | 2.0 |
| 20 | 110 | 28 | 18 | 185 | 156 | 166 | 36 ?? 2 | 3.0 |
| 25 | 140 | 33 | 22 | 185 | 169 | 180 | 42 ?? 2 | 3.2 |
The previous??Angle type globe valve
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