Needle-shaped stop valve
- Products
- Ball valve
- Butterfly valve
- Gate valve
- Globe Valve
- Check valve
- Anticorrosive valve
- Forged steel valve
- Regulating valve
- Hydraulic control valve
- Power station valve
- Drain valve
- Bellows valve
- Metallurgical valve
- Flame arrester and breathing valve
- Solenoid valve
- Needle valve
- Copper valve
- Ceramic valve
- Oil field valve
- Safety valve
- Actuator series
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
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 |