SIEMENS MVI422.20 230V Electric 2-Way Valve
Genuine Siemens MVI422.20 is a 230V AC 50/60Hz motorized 2-way valve for HVAC fan coil and water systems. Features DN20 size, Kvs 2.5m³/h, stainless steel body, spring return (fail-safe close), manual override, IP40 protection, CE certified. Reliable on/off control for cold/hot water, ideal for room temperature regulation and energy saving in commercial/residential buildings.
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Product Overview
Key Features & Advantages
Reliable Actuator Performance: Powered by 230V AC (50/60Hz) with 6.5VA low power consumption, the actuator features spring return fail-safe close, ensuring the valve automatically shuts off during power outages to prevent uncontrolled flow.
Manual Override & Status Indication: Equipped with a manual lever to force the valve open for commissioning, maintenance, or emergency operation, plus a visual position indicator for real-time status monitoring.
Durable Valve Body: Machined from high-quality stainless steel with a Kvs flow coefficient of 2.5m³/h, the DN20 threaded valve body offers excellent corrosion resistance and compatibility with cold/hot water in HVAC systems.
Compact & Easy Installation: The integrated design fits standard pipe connections, with simple wiring and mounting, reducing installation time and maintenance costs.
Safety & Compliance: IP40 protection rating for indoor use, CE certification, and strict Siemens quality control ensure safe, reliable operation in commercial and residential HVAC environments.
| Parameter | Specification |
|---|---|
| Brand | Siemens |
| Model Number | MVI422.20 (Actuator: MVI422.20, SSN: S55310-M108) |
| Product Type | Motorized 2-Way Control Valve (On/Off) |
| Valve Size | DN20 (3/4" Female Thread) |
| Kvs Flow Coefficient | 2.5 m³/h |
| Power Supply | 230V AC, 50/60Hz (+10%/-15%) |
| Power Consumption | 6.5 VA |
| Fail-Safe Function | Spring Return (Close on Power Loss) |
| Manual Override | Yes (Manual Open Lever) |
| Valve Body Material | Stainless Steel |
| Protection Class | IP40 |
| Operating Temperature Range | 10°C ~ 50°C (50°F ~ 122°F) |
| Media Compatibility | Cold/Hot Water (HVAC Systems) |
| Certifications | CE |
| Application | Fan Coil Units, HVAC Water Systems, Building Automation |
| Condition | New Genuine OEM Part |
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