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The Electronic Expansion Valve from Dotech Inc. is a solenoid-actuated precision device designed for dynamic refrigerant flow control in HVAC and refrigeration systems. It features a stainless steel 304 housing, brass internal components, PTFE seals, and a copper solenoid coil, ensuring compatibility with common refrigerants including R410A, R134a, and R404A. The valve operates with smart-rail technology that adjusts the open ratio based on real-time system inputs, enabling fine-tuned capacity modulation without mechanical wear.
The valve's construction follows industrial durability standards typical for commercial refrigeration components. The PTFE seals provide chemical resistance to refrigerants and lubricants, while the brass internals offer corrosion resistance and thermal conductivity. These materials are standard in high-reliability EEVs used in systems requiring stable superheat control. The valve is not rated for cryogenic or high-pressure industrial refrigerants beyond standard HVACR ranges.
This valve is primarily purchased by OEMs of air conditioning units, heat pumps, and cold storage systems, as well as after-market distributors servicing commercial refrigeration. It is supplied in bulk packaging of 50 or 100 units per carton, with standard lead times of 4 to 6 weeks. Trade terms typically include FOB Ansan Port or CIF destination, with payment via T/T or L/C. Buyers should confirm compatibility with their control board protocols before integration.
| Housing Material | Stainless Steel 304 |
| Internal Components | Brass |
| Seal Material | PTFE |
| Solenoid Coil | Copper winding |
| Refrigerant Compatibility | R410A, R134a, R404A, R507 |
| Operating Pressure Range | Typical 0 to 45 bar |
| Max Flow Rate | Typical 1.8 kg/h at 20°C |
| Control Signal | 0-10V DC or PWM input |
| Operating Temperature | -40°C to 125°C |
| Packaging | 50 or 100 units per carton, anti-static foam inserts |
Dotech Inc. is a supplier based in Ansan-Si, Gyeonggi-Do, South Korea, with a registered address at 6F, Joongang Ilbo Bldg, 30 Dongsan-ro. The company specializes in components for HVACR systems and is listed as a harbor-tier supplier with no verified response rate or historical trade data on the platform. No claims are made regarding years in operation, certifications, or client names. The listing confirms only the physical address and product type.
The supplier does not provide details on production capacity, workforce size, or quality management systems. The absence of response metrics and certification references suggests this is a direct manufacturer or distributor without formal export verification. Buyers should request independent documentation for compliance with local import regulations.
The Electronic Expansion Valve (EEV) is a precision solenoid-actuated valve engineered for accurate refrigerant flow regulation in commercial and residential HVAC systems. Designed for stability and energy efficiency, it integrates seamlessly with electronic control systems to modulate cooling capacity in real time. Widely used in air conditioning units, heat pumps, and industrial refrigeration installations, the EEV is a critical consumable and replacement part in global HVACR supply chains. EximNext supplies these valves in bulk for OEM and after-market distribution.
| Business Type | Supplier |
| Year Established | Recently Joined |
| Employees | Contact Supplier |
| Annual Revenue | Contact Supplier |
| Main Products | View Products Tab |
| Major Markets | Global |
| Response Time | Contact Supplier |
| Response Rate | New Supplier |
Before ordering, verify the valve's compatibility with your control system's voltage and signal type. Confirm refrigerant compatibility matches your system's charge - especially if using R404A or R507. Request a sample for physical inspection of the coil winding, seal integrity, and port threading. Do not rely on certification claims unless a copy of the test report is provided.
Lead time is typically 4 to 6 weeks from Ansan Port. Confirm whether the supplier offers FOB, CIF, or DAP terms. Payment is usually 30% advance with 70% against shipping documents. Ensure packaging includes moisture barriers and anti-static foam, as humidity exposure can degrade coil insulation. Request a packing list with batch numbers for traceability.
Inspect each valve for surface defects, coil damage, and seal compression. Use a digital multimeter to test solenoid coil resistance - values should fall within ±10% of the manufacturer's nominal spec. Confirm the presence of a serial number or batch code on each unit. Request a Certificate of Conformity referencing ISO 9001 or IEC 60335-2-40, even if not certified, to establish baseline quality expectations.
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When sourcing Electronic Expansion Valve for your business, securing the right balance of quality and cost is essential. Dotech Inc., a verified supplier based in South Korea (Republic Of Korea), offers this product with key specifications including Solenoid-driven Electronic Expansion Valve (EEV), Stainless Steel 304, and PTFE (Polytetrafluoroethylene). By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $1228./Unit and manage bulk orders with a minimum order quantity (MOQ) of 1 Unit. This product is actively traded under HS Code 8481.20, making it a staple in the Electric Components sector with strong demand from importing countries worldwide.
Importing Electronic Expansion Valv requires careful attention to shipping logistics, customs compliance, and secure payment terms. Dotech Inc. offers flexible shipping options such as Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. To ensure a smooth transaction, buyers should verify import duties for HS Code 8481.20 in their destination country. Common payment methods for international B2B transactions include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P). All transactions and RFQs are facilitated through EximNext, a leading B2B marketplace designed to make cross-border trade secure and efficient.
Finding trustworthy partners is the foundation of successful importing. The supplier of this Electronic Expansion Valv has been verified on our platform. Whether you are a distributor, wholesaler, or procurement manager, you can request a free quotation, ask for product samples, and finalize your bulk purchase with confidence. EximNext hosts thousands of verified manufacturers and exporters across 200+ countries. Explore similar products in the Electric Components category and connect with top-tier exporters on our comprehensive global B2B marketplace. Start your sourcing journey today.
Importing Electronic Expansion Valv requires careful attention to shipping logistics, customs compliance, and secure payment terms. Common shipping options include Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Buyers should verify import duties for HS Code 8481.20 in their destination country. Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P).
The current listed wholesale price for Electronic Expansion Valve from Dotech Inc. is $1228./Unit on FOB terms from South Korea (Republic Of Korea). Prices may vary depending on order volume, packaging, and destination. For the most accurate bulk quote, send a direct RFQ to Dotech Inc. through EximNext.
The supplier, Dotech Inc., has set a Minimum Order Quantity (MOQ) of 1 Unit for Electronic Expansion Valv. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
For international shipping and customs clearance, Electronic Expansion Valve is classified under HS Code 8481.20. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
To import Electronic Expansion Valv from South Korea (Republic Of Korea), negotiate shipping terms (FOB, CIF, or EXW) directly with Dotech Inc.. Ensure you have the necessary import licenses for Electric Components products in your destination country.
Yes, Dotech Inc. is a verified supplier on EximNext. You can view their complete company profile, business registration details, certifications, and export history before placing a bulk order.
The key specifications for Electronic Expansion Valve supplied by Dotech Inc. include Solenoid-driven Electronic Expansion Valve (EEV), Stainless Steel 304, and PTFE (Polytetrafluoroethylene). For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to the supplier through EximNext.
Dotech Inc. offers Electronic Expansion Valv with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Electronic Expansion Valv is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Dotech Inc. through our platform.
Dotech Inc. maintains international quality certifications. These ensure that the Electronic Expansion Valv meets international quality, safety, and regulatory standards required for cross-border trade.
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Dotech Inc. will respond with a detailed wholesale quote including FOB pricing, lead time, and payment options.
Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services. Confirm accepted terms directly with Dotech Inc..
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