Shandong Gold Fly Heat Exchange Equipment Co., Ltd. is one of the most reliable manufacturers and suppliers of 12mm diameter 4r8h evaporator in China. With abundant experience, we warmly welcome you to wholesale bulk advanced 12mm diameter 4r8h evaporator for sale here from our factory. Customized orders are welcome.
12mm diameter 4R8H evaporator
1.product Introduction
The equipment adopts a 12mm large diameter pipeline design, which has a larger internal volume and smoother refrigerant circulation compared to conventional small diameter evaporators. The system has low resistance, is less prone to ice blockage and oil accumulation, and can carry a larger refrigerant circulation volume, suitable for stable operation at full load of high-power units. Paired with high-density corrugated hydrophilic fins, the wind resistance is reasonable, the heat transfer contact area is large, the cooling speed is fast, the temperature difference is uniform, the overall air outlet temperature is lower, and the cooling effect is stronger. The fins are coated with hydrophilic anti-corrosion coating, which ensures even frosting, clean defrosting and drainage, and is less prone to water accumulation, dust accumulation, and mold growth. Long term use results in minimal heat transfer attenuation, moisture resistance, corrosion resistance, and a longer service life.
2.product Parameter (specification)
| Specification | Tube pitchA | Row pitchB | Tube size | Tube Material | Fin pitch | Fin Material |
| φ7mm*21*18.2 | 21mm | 18.2mm | φ7mm | Copper Tube(SmoothTubeor Rifled Tube) | 2.0-4.5mm | Aluminumfin(Bare finorhydrophilicfin) |
| adjustable | ||||||
| φ9.52mm*25*21.65 | 25mm | 21.65mm | φ9.52mm | Copper Tube(SmoothTubeor Rifled Tube) | 2.0-3.5mm | Aluminumfin(Bare finorhydrophilicfin) |
| adjustable | ||||||
| φ9.52mm*25*21.65 | 25mm | 21.65mm | φ9.52mm | Copper Tube(SmoothTubeor Rifled Tube) | 4.0-9.0mm | Aluminumfin(Bare finorhydrophilicfin) |
| adjustable | ||||||
| φ12mm*35*35 | 35mm | 35mm | φ12mm | Copper Tube(SmoothTubeor Rifled Tube) | 4.0-10mmadjustable | Aluminumfin(Bare finorhydrophilicfin) |
| φ12mm*35*30.31 | 35mm | 30.31mm | φ12mm | Copper Tube(SmoothTubeor Rifled Tube) | 4.0-10mm | Aluminumfin(Bare finorhydrophilicfin) |
| adjustable | ||||||
| φ15mm*60*30 | 60mm | 30mm | φ15mm | Copper Tube(SmoothTubeor Rifled Tube) | 4.0-10mm | Aluminumfin(Bare finorhydrophilicfin) |
| adjustable |


3.Product feature and application
The product adopts fully automatic precision tube expansion technology, with copper tubes tightly attached to aluminum fins, resulting in high thermal conductivity efficiency; The pipeline is evenly distributed, with four rows of layers for heat exchange, ensuring sufficient airflow and stable and reliable cooling efficiency of the entire machine. Each product undergoes high-pressure air tightness testing before leaving the factory, with no leakage points, strong pressure resistance, low repair rate, and is compatible with mainstream refrigerants such as R22, R410A, R404A, R134a, etc. It has strong universality and easy maintenance.
Scope of application: Widely applicable to large commercial refrigerators, air curtain cabinets, quick freezing cabinets, cold storage units, industrial chillers, large ice makers, constant temperature and humidity units, commercial super cold chain equipment, industrial low-temperature cooling equipment and other high-capacity refrigeration equipment. It is the preferred evaporation accessory for high-power refrigeration systems.
4.Prodection details



5.Deliver,shipping and serving
1, Delivery
Production and delivery
Automated electrophoresis assembly line for mass production, with regular specifications available in stock; Customized sizes and integrated electrophoretic models with shells are delivered on time according to the order cycle. After production is completed, full inspection of air pressure leak detection and paint appearance is carried out to prevent defective products such as welding leaks and paint peeling from being shipped out.
Shipment Inspection
Each product is checked for model, size, and electrophoretic paint integrity, with a specification list attached. Foreign trade orders can be accompanied by packing lists and certificates of conformity to meet export customs declaration requirements.
Delivery method
Support factory self pickup, whole vehicle delivery, less than truckload logistics, and full container shipment. We can cooperate with customer designated freight forwarders to arrange container loading.
2, Transportation
protective packaging
The outer layer of the product is covered with protective film, and corner protectors are added. For large and multiple items, hard cardboard boxes/wooden frames are used for reinforcement; Electrophoretic paint surface is scratch resistant, anti-collision, and avoids transportation wear, exposure, and rusting.


To better ensure the safety of your goods, professional, environmentally friendly, convenient and efficient packaging services will be provided.
6.FAQ
Q1:Are you a factory or a trading company?
A1: We have our own production factory and sales company, self-produced and sold..
Q2: Where is your factory located?
A2: Our factory is located in Xingfu Town, Binzhou City, Shandong Province.Always welcome all
customers to visit and guide
Q3: Is a sample available?
A3:Yes.
Q4: Can you quote according to the drawing?
A4: Yes,we can.
Q5. What is your advantage?
A5. 1. Rich production experience since 1999.
2. A variety of machinery and equipment processing,
stable quality while ensuring delivery.
3. Minimum order quantity:1 PCS.
4. Large-scale production makes our lower prices for
products of the same quality
5. Samples and customized services are available.
Q6.What material are you using
A6.We customize and select materials such as aluminum tubes and copper tubes according to customer needs
Q7.Is it easy and convenient to use and operate
A7.Yes, it's very simple
Q8.Is the product packaging secure or not?
A8.Yes, we will package it very safely and securely
7.Latest news
Shandong GoldFly Heat Exchange Equipment Co., Ltd
PROFESSIONAL CONDENSER & EVAPORATOR COIL MANUFACTURER :
Our workshop covers an area of 20,000 square meters with many first-class professional equipment and technical engineers.
We have been committed to the scientific research, production and sales of condensers and evaporators as a comprehensive supplier since 1999.
The condensers and evaporators produced are of single-air, double-air, and triple-air models. Thanks to our own R&D and production team,
Focus on Production and R&D in Condensers,Evaporators,Unit,Monoblock.
WE MADE PRODUCTS WITH RIGOROUS IN CRAFTMANSHIP AND MATERIALS:
1. Choose light foil, hydrophilic foil aluminum fins ,copper tubes And other high-quality raw materials
2.Mechanical tube expansion, secondary flanging and other optimized process.Machine welding speeds up production efficiency while guaranteeing extremely high quality.
3. Pipe spacing and sheet spacing is designed by engineers rigorously , and the shell and end plates are stamped from high-quality plates,durable and heavy duty.
4. Strict chemical anti-corrosion treatment at the end,100% quality inspection before leaving the factory
Features of our condensers and evaporators:
compact structure, efficient heat transfer, anti-ultraviolet, and good anti-corrosion performance





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