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3754010-57A/A
Dongfeng
| Attribute | Specification |
|---|---|
| Product Name | Urea Pump Heating Solenoid Valve Assembly |
| Alternative Names | DEF Heater Control Valve, SCR Coolant Control Valve, AdBlue Heating Solenoid |
| Function | Controls hot coolant flow to urea dosing system to prevent freezing |
| Valve Type | Normally Closed (NC), 2/2-way solenoid valve |
| Operation Mode | Electrically actuated via ECU command |
| Body Material | Brass, stainless steel, or high-strength engineering plastic (heat-resistant) |
| Seal Material | FKM (Viton®) or EPDM — compatible with glycol-based coolants |
| Coil Insulation Class | Class H (180°C rated insulation) |
| Duty Cycle | Intermittent (on-demand heating cycles) |
| Response Time | < 100 ms (fast opening/closing response) |
| Mounting Style | Threaded (M12×1.5, M14×1.5), flange, or inline hose connection |
| Application Class | Heavy-Duty Trucks, Buses, Construction Equipment, Power Generation Units |
| Parameter | Value / Detail |
|---|---|
| Operating Voltage | 24V DC (standard for heavy-duty trucks); some models support 12V |
| Coil Resistance | 15–25 Ω (typical at 20°C) |
| Power Consumption | ~15W – 25W |
| Working Pressure | Up to 2.5 bar (coolant system pressure) |
| Temperature Range | |
| - Ambient | -40°C to +120°C (-40°F to +248°F) |
| - Media (Coolant) | Max 110°C (230°F) |
| Flow Capacity (Kv) | 0.8 – 1.5 m³/h |
| Orifice Size | 3.0 – 4.5 mm |
| Sealing Level | IP67 – Dust-tight and protected against temporary water immersion |
| Connection Ports | G1/4" BSPP, M12×1.5, or quick-connect fittings |
| Weight | Approx. 300–500 g |