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Help CenterSingle-Pass Plate Heat Exchanger for Thermal Oil Boiler Steam, DN80 Flange, 1.0MPa
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As a professional manufacturer established in 1998, Anping County Boli Hardware Wiremesh Products Factory has been dedicated to delivering high-quality heat exchange solutions for industrial thermal oil boiler systems. Our Single-Pass Plate Heat Exchanger for Thermal Oil Boiler Steam (DN80 Flange, 1.0MPa) is engineered to maximize heat transfer efficiency while minimizing pressure drop, ensuring reliable steam generation for your process. With over 20 years of export experience and annual export value exceeding US$5 million, we supply this premium exchanger to clients across North America, Europe, Asia, and Africa.
This plate heat exchanger adopts a single-pass flow design, which means the thermal oil and the water/steam side flow through the plates in a single direction, delivering:
• High heat transfer coefficient due to turbulent flow induced by corrugated plate patterns.
• Lower pressure drop compared to multi-pass configurations, reducing pump energy consumption.
• Compact footprint – ideal for space-constrained boiler rooms.
• Easy maintenance – the plate pack can be easily opened for cleaning or plate replacement.
The unit is equipped with a DN80 flange connection rated for 1.0MPa design pressure, making it compatible with standard thermal oil boiler piping. Available in stainless steel 304 or 316L material (upon request), with optional gasket materials (NBR, EPDM, or Viton) to suit different operating temperatures and fluid compatibility.
| Parameter | Value |
| Design Pressure | 1.0 MPa |
| Max Operating Temperature | Up to 250°C (with high-temp gasket) |
| Flange Size | DN80 (PN16 compatible) |
| Plate Material | SS304 / SS316L (optional) |
| Gasket Material | NBR, EPDM, Viton (optional) |
| Number of Plates | Customizable (e.g., 20–150 plates) |
| Flow Type | Single-pass |
| Connection Type | Flange (DN80) |
Technical Advantages:
- High Efficiency: Corrugated plate design generates high turbulence, achieving heat transfer coefficients up to 2–3 times higher than shell-and-tube exchangers.
- Space Saving: The plate pack occupies only 30–50% of the floor area required by a comparable shell-and-tube unit.
- Flexibility: The number of plates can be easily adjusted to match specific heat duty requirements, without changing the frame.
- Easy Cleaning: The frame can be opened by loosening the tightening bolts, allowing access to all plates for mechanical or chemical cleaning.
- Durability: All stainless steel plates are resistant to corrosion and thermal stress, ensuring long service life.
- Low Maintenance: Gaskets are replaceable and the design minimizes fouling.
Application Benefits:
- Ideal for generating low-pressure steam from thermal oil boiler systems, where the oil temperature is typically 250–350°C.
- Perfect for waste heat recovery, preheating, or process heating in chemical, food, pharmaceutical, and textile industries.
- The single-pass configuration minimizes the risk of thermal oil coking due to low flow resistance.
With Anping County Boli Hardware Wiremesh Products Factory, you benefit from a reliable partner who has been manufacturing heat exchangers since 1998. Our products are exported to over 20 countries and regions, with annual export value reaching US$5–10 million. We ship from major Chinese ports (Tianjin, Qingdao, Shanghai, Foshan) and offer flexible logistics solutions. Our factory is equipped with advanced pressing machines, automatic welding robots, and a strict quality control system.
Why choose us?
- 25+ years of manufacturing experience in heat exchange equipment.
- Customizable designs – plate count, material, gasket, and even flange orientation.
- Comprehensive after-sales support – we provide installation drawings, operation manuals, and spare parts.
- Competitive pricing with factory-direct supply.
Contact us today for a quotation or technical proposal. Our team is ready to tailor the Single-Pass Plate Heat Exchanger to your exact thermal oil boiler steam requirements. Let us help you improve your heat transfer efficiency and reduce operating costs.
Frequently Asked Questions
Q1: What is the maximum working temperature for this heat exchanger?
A: The maximum operating temperature depends on the gasket material. With NBR gaskets, it is suitable up to 120°C; with EPDM up to 150°C; with Viton up to 250°C. For high-temperature thermal oil applications, Viton or special high-temperature gaskets are recommended.
Q2: Can this exchanger be used for steam generation directly from thermal oil?
A: Yes, the single-pass design is specifically optimized for thermal oil-to-water/steam heat exchange. The hot oil flows through one side, and water on the other side absorbs heat to generate steam. The pressure rating of 1.0 MPa is suitable for low-pressure steam (up to 184°C saturation temperature).
Q3: What is the typical heat transfer area per plate?
A: The heat transfer area per plate depends on the plate geometry. For a typical plate size (e.g., 0.5 m² per plate), the total area is the number of effective plates multiplied by the area per plate. We can provide a detailed calculation based on your required duty.
Q4: Are the flange connections drilled to a standard?
A: Yes, the DN80 flanges are machined according to PN16 (16 bar) drilling pattern, compatible with standard EN 1092-1 or DIN 2501. Other flange standards (ANSI 150#) are available upon request.
Q5: Can I order a custom number of plates?
A: Absolutely. The heat exchanger frame can accommodate a range of plate counts. You can add or remove plates to achieve the exact heat transfer capacity. The final assembly will be tested for leakage before shipment.
Q6: What maintenance is required?
A: Regular inspection of gaskets and tightening bolts is recommended. If fouling occurs, the plate pack can be opened and cleaned with a soft brush and appropriate cleaning chemicals. We recommend checking the gasket condition every 6 months.
Q7: Do you provide certification or pressure test reports?
A: Yes, each unit is hydrostatically tested at 1.5 times the design pressure (1.5 MPa) and a test certificate is provided. Additional material certificates (MTC) can be included upon request.
Q8: How long is the lead time and shipping?
A: Typical lead time is 15–30 days depending on the number of plates and customization. We ship from Tianjin, Qingdao, Shanghai, or Foshan by sea, air, or express courier. Ocean freight to most destinations takes 20–40 days.
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