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Help CenterBrazed Plate Heat Exchanger, 60 Plates, 3/4" NPT, 350 PSI, for HVAC Systems
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As a trusted manufacturer since 1998, Anping County Boli Hardware Wiremesh Products Factory is proud to offer a high-performance Brazed Plate Heat Exchanger with 60 plates, 3/4" NPT connections, and a 350 PSI rating, specifically designed for HVAC systems. Our heat exchangers are engineered to deliver superior thermal efficiency and reliability for commercial and industrial heating, ventilation, and air conditioning applications. With annual export value exceeding US$5 million and serving markets across North America, Europe, Asia, and beyond, we combine decades of manufacturing expertise with rigorous quality control to provide a cost-effective solution that meets the demanding needs of HVAC professionals.
Key Features & Technical Specifications
- 60 Brazed Plates: Maximizes heat transfer surface area, achieving high efficiency in a compact footprint—ideal for space-constrained HVAC installations.
- 3/4" NPT Connections: Standard NPT threaded ports allow easy integration with existing piping systems, reducing installation time and costs.
- 350 PSI Maximum Working Pressure: Robust construction withstands high-pressure HVAC loops, ensuring safe and reliable operation under demanding conditions.
- Stainless Steel Plates & Copper Brazing: Corrosion-resistant materials provide long service life, even in aggressive water or glycol mixtures.
- Compact & Lightweight: Compared to shell-and-tube exchangers, this brazed plate design saves up to 70% space and weight, simplifying mounting and support.
- High Thermal Performance: Turbulent flow through narrow channels enhances heat transfer coefficients, reducing energy consumption and operating costs.
Technical Parameters
| Parameter | Value |
|---|---|
| Plate Count | 60 |
| Connection Size | 3/4" NPT |
| Max Working Pressure | 350 PSI (24 bar) |
| Max Working Temperature | 200°C (392°F) |
| Heat Transfer Surface Area | Approximately 2.0 m² (varies by plate geometry) |
| Plate Material | AISI 316L Stainless Steel |
| Brazing Material | Copper (99.9% pure) |
| Net Weight | Approximately 6.5 kg (14.3 lbs) |
| Applications | HVAC, boiler systems, heat pumps, district heating, process cooling |
Benefits for Your HVAC System
- Energy Savings: The high efficiency of the brazed plate design reduces the temperature difference required for heat exchange, lowering pump energy consumption and overall system operating costs.
- Space Efficiency: With a compact footprint, this heat exchanger fits easily into mechanical rooms, rooftop units, and tight retrofit installations.
- Durability: The all-metal brazed construction eliminates gaskets and seals, preventing leaks and reducing maintenance frequency. No gasket replacement needed.
- Versatility: Suitable for both heating and cooling duties, including hot water, chilled water, steam, and refrigerant applications within the pressure and temperature limits.
- Quick Installation: Standard 3/4" NPT ports and lightweight design allow for fast mounting and piping connections, reducing labor time.
- Environmentally Friendly: Copper brazing is a clean process, and the unit is fully recyclable at end of life.
Our 60-plate brazed heat exchanger is manufactured under strict quality control procedures in our Hebei, China facility. Each unit undergoes a pressure test at 1.5 times the rated pressure to ensure leak-free performance. The 350 PSI rating provides a safety margin for most HVAC closed-loop systems, and the 316L stainless steel offers excellent resistance to corrosion from treated water, ethylene glycol, and propylene glycol mixtures.
Compared to traditional shell-and-tube heat exchangers, this brazed plate model delivers up to 4 times higher heat transfer coefficient, enabling smaller equipment sizes and lower refrigerant charges in heat pump applications. It is an ideal choice for OEMs, contractors, and facility managers seeking reliable, high-performance thermal management.
Frequently Asked Questions
Q: Can this heat exchanger be used for both heating and cooling?
A: Yes, it is designed for HVAC systems that may require both heating (e.g., boiler loop) and cooling (e.g., chiller loop) within the specified temperature and pressure limits.
Q: What is the typical lifetime of this brazed plate heat exchanger?
A: With proper water treatment and within operating conditions, the unit can last 15–20 years. The copper brazing and stainless steel plates resist corrosion, but aggressive water chemistry may reduce lifespan.
Q: Can I use it with water containing glycol?
A: Yes, the 316L stainless steel and copper materials are compatible with up to 50% ethylene or propylene glycol mixtures. Always follow the fluid manufacturer's recommendations.
Q: What is the maximum flow rate for the 3/4" NPT connections?
A: The flow rate depends on the pressure drop allowed. For water at 3–5 m/s velocity, typical flow is around 10–15 GPM (gallons per minute). Consult our technical team for specific sizing.
Q: Is the heat exchanger reversible? Can I swap the hot and cold sides?
A: Yes, the brazed plate design is symmetrical; flow direction can be reversed as long as the pressure and temperature ratings are not exceeded.
Q: Do you offer custom plate counts or different connection sizes?
A: Yes, we can produce custom plate counts (e.g., 30, 80, 100 plates) and connection sizes (1/2" to 2" NPT) based on volume requirements. Contact us for a quotation.
Q: Does this model require any maintenance?
A: Since it is a brazed unit with no gaskets, it is virtually maintenance-free. Periodic cleaning of the system (e.g., flushing) to remove debris is recommended to maintain efficiency.
Q: How is the unit packaged for shipping?
A: Each heat exchanger is individually packed in a sturdy cardboard box with foam inserts to protect the ports and plates. We ship from Tianjin, Qingdao, Shanghai, or Foshan ports.
Trust the Manufacturer – Anping County Boli Hardware Wiremesh Products Factory
With over 26 years of manufacturing experience and annual export revenue of US$5–10 million, we have supplied heat exchanger products to customers in North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East. Our company is located in Hengshui, Hebei, China, and we ship from multiple ports (Tianjin, Qingdao, Shanghai, Foshan) to ensure timely delivery. We are a manufacturer that can provide consistent quality, competitive pricing, and flexible customization. Our team is committed to helping you find the right heat exchanger solution for your HVAC project. Contact us today for a quote or technical support.
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