Product Overview
The THERMO FISHER 4600439 is a precision-engineered solenoid valve designed for reliable fluid and gas control in demanding laboratory, analytical, and industrial process environments. As a direct-acting, two-way normally closed (2/2 NC) solenoid valve, it provides positive shut-off and precise on/off control of compatible media through electromagnetic actuation of an internal plunger and seal assembly. Manufactured to Thermo Fisher Scientific’s exacting quality standards, this valve is a critical flow-control component in analytical instrumentation, sample handling systems, and general process automation where leak-tight sealing and repeatable actuation are essential. Its compact body, corrosion-resistant wetted materials, and stable coil design make it suitable for continuous-duty operation within OEM and replacement-part applications.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Solenoid Valve (Process & Pneumatic Valve) |
| Model Designation | THERMO FISHER 4600439 |
| Valve Configuration | 2-Way, 2-Position, Normally Closed (2/2 NC) |
| Actuation Type | Direct-Acting Electromagnetic Solenoid |
| Operating Pressure | Standard Industrial Grade (low to medium pressure range, up to rated bar) |
| Coil Voltage | Standard DC/AC coil options per OEM specification |
| Body & Seal Materials | Corrosion-resistant body with elastomeric sealing (media-compatible) |
| Mounting & Connection | Standard ISO / Manufacturer Interface (threaded or barbed port connections) |
| Duty Cycle | Continuous duty rated |
Engineering Features & Advantages
- Precision Flow Control: Direct-acting solenoid design delivers fast, repeatable open/close response for accurate on/off metering of process media without requiring minimum pressure differential.
- Leak-Tight Sealing: Precision-machined plunger and elastomeric seat ensure positive shut-off, minimizing media loss and cross-contamination in analytical and process circuits.
- Compact & Robust Construction: Space-efficient body with a durable encapsulated coil resists vibration, thermal cycling, and typical laboratory or industrial chemical exposure.
- Industrial Reliability: Built for continuous operation under severe industrial conditions, with stable coil performance and long service life.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original OEM standards, enabling drop-in service for Thermo Fisher systems and compatible process equipment.
Typical Industrial Applications
The THERMO FISHER 4600439 solenoid valve is widely
PRODUCT IMAGES


THERMO FISHER 4600439 Solenoid Valve
âš¡ Emergency Plant Maintenance & Ready-to-Ship Notice:
- Authentic & Fully Tested: 100% bench tested for hydraulic response, pressure rating, and null-bias stability before dispatch.
- Fast Dispatch: In-stock units ready for same-day dispatch via DHL / FedEx Express directly to your plant.
- Pre-Shipment Verification: High-definition photos, video testing runs, and serial number verification provided prior to shipment.
- Peace of Mind: Covered by our 12-Month Replacement Warranty.
Shop the genuine Thermo Fisher 4600439 Solenoid Directional Valve. This USA-made 24 VDC hydraulic component features a 4-way 3-position design, delivering leak-free, reliable fluid control for heavy-duty industrial systems.