ODE
21W4KB250
The ODE 21W4KB250 is a 2/2-way Normally Closed (NC), pilot-operated solenoid valve designed for high-flow applications involving water, air, and inert gases.
The ODE 21W4KB250 is a 2/2-way Normally Closed (NC), pilot-operated solenoid valve designed for high-flow applications involving water, air, and inert gases.
The 21W4KB250 provides substantially higher flow capacity due to its larger 1" connection and 25 mm orifice, while maintaining the same pilot-operated design and 0.2 to 16 bar operating range.
| Series | 21W |
|---|---|
| Model | 21W4KB250 |
| Valve Type | Pilot-Operated Solenoid Valve |
| Function | 2/2-Way Normally Closed (NC) |
| Port Connection | G 1" BSP |
| Orifice Size | 25 mm |
| Flow Coefficient (Kv) | 240 L/min |
| Body Material | Brass |
| Seal Material | NBR (Nitrile Rubber) |
| Operating Pressure Range | 0.2 to 16 bar |
| Maximum Design Pressure | 16 bar |
| Operation | Indirect / Pilot Operated |
| Minimum Differential Pressure | 0.2 bar |
| Protection Class | IP65 |
| Fluid Temperature | -10°C to +90°C |
| Compatible Media | Air, Water, Inert Gases |
| Maximum Viscosity | 12 cSt |
| Component | Material |
| Body | Brass |
| Armature Tube | Stainless Steel AISI 300 |
| Fixed Core | Stainless Steel AISI 400 |
| Plunger | Stainless Steel AISI 400 |
| Spring | Stainless Steel AISI 300 |
| Seal | NBR |
| Orifice Assembly | Brass |
| Standard Coil | BDA / BSA / BDV Series |
| Coil Power | 8 W |
| Duty Cycle | Continuous Duty (100% ED) |
| Protection | IP65 with connector |
| Connection | G 1" BSP |
| Orifice | 25 mm |
| Flow Rate (Kv) | 240 L/min |
| Pressure Range | 0.2 to 16 bar |
| Temperature Range | -10°C to +90°C |
ODE 21A1KV25 is a 2/2-way direct-acting, normally closed (N.C.) solenoid valve from ODE's 21A Series, designed for general-purpose liquid, gas, steam, and industrial automation applications.
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