Genuine Hongsen HV Series Normally Open Defrost Solenoid Valve with 3/8IN Male Thread and IP65 Waterproof for HVAC Systems

The Hongsen HV10M3-OR-DC 3/8IN Normally Open Defrost Solenoid Valve is a high-precision control component specifically engineered for refrigeration system defrost circuits, liquid lines, suction lines, and hot gas lines. As a core component of the refrigeration cycle, it reliably controls refrigerant flow to achieve efficient defrosting while ensuring system safety and stable operation.

Manufactured by Hongsen, a leading Chinese brand in refrigeration components with decades of industry expertise, this valve features a forged brass body, superior sealing performance, IP65 protection, and long service life, making it the ideal choice for commercial cold storage, refrigerated trucks, supermarket display cases, air conditioning units, and industrial refrigeration systems worldwide.

• Genuine Hongsen Original Quality: 100% factory-produced with strict quality control, durable forged brass construction, excellent corrosion resistance, and stable performance under extreme working conditions.
• Normally Open (NO) Design for Defrost: The valve remains open when de-energized and closes when energized, perfectly suited for hot gas defrost circuits. Ensures system safety by preventing refrigerant blockage during power failure.
• High Pressure & Wide Temperature Resistance: Maximum working pressure up to 45 bar, compatible with high-pressure refrigeration systems. Supports medium temperature from -30°C to +105°C and coil environment temperature from -40°C to +65°C.
• Wide Refrigerant Compatibility: Fully compatible with all mainstream HCFC and HFC refrigerants, including R22, R404A, R134a, R410A, R507A, R407C, etc.
• IP65 Waterproof & Dustproof Protection: IP65 rated coil with standard junction box, suitable for outdoor, humid, and dusty environments.
• 3/8IN Standard Interface & Easy Installation: Standard 3/8 inch (9.525mm) male thread connection with complete mounting bracket and screws.
• Multiple Voltage Options: Standard DC12V/DC24V for vehicle-mounted systems, with customizable AC voltage (AC110V/220V/380V) available.
• Quick-Release Coil Design: Screw-on coil for easy replacement without removing the valve body, minimizing system downtime.

• Hot gas defrost circuits for cold rooms and freezers
• Commercial cold storage & walk-in freezers
• Transport refrigeration (refrigerated trucks, trailers, containers)
• Supermarket display refrigerators & freezers
• Air conditioning & HVAC systems
• Industrial refrigeration units
• Heat pump systems & dehumidifiers
• Marine refrigeration equipment
• Cold chain logistics refrigeration units

• 100% Genuine Warranty: Official factory warranty, anti-counterfeit verification, reliable after-sales support.
• Factory Direct Price: Competitive wholesale pricing with no middleman, ideal for distributors, contractors, and project buyers.
• Large Stock & Fast Delivery: In stock, ships within 24-48 hours, global express shipping (DHL/FedEx/UPS) available.
• Professional Technical Support: Free pre-sales selection, installation guidance, and after-sales troubleshooting.
• Bulk Order Discounts: Customized pricing for large quantity orders and project-based contracts.
• One-Stop Procurement: Full range of Hongsen refrigeration components (expansion valves, solenoid valves, pressure controls, filter driers) available.