Galvanized steel can be classified into two main types: hot-dip galvanized steel and electro-galvanized steel.
Overall, galvanized steel is a popular and versatile material that offers excellent corrosion resistance and durability. Its use is widespread in a variety of industries and applications, and it will likely continue to be an important material for many years to come.
galvanized steel coil,galvanized steel sheet,galvanized steel plate,galvanized coil,galvanized sheet Wuxi Shengshu Metal Co., Ltd. , https://www.wuxissmetal.com
1) QDZH65G is part of the DC series and uses R134A refrigerant.
2) It operates on 12V or 24V power supply.
3) Cooling types available are ST or FAN.
4) Suitable for low and medium back pressure applications.
5) Maximum cooling capacity reaches up to 210W.
6) Ideal for freezers or refrigerators with a capacity between 200L and 400L.
2. Compressor Dimensions
3. Compressor Specification
Serial
Model
Displacement (cm³)
Rotate Speed (rpm)
Capacity
COP
EER
Oil charge
Cooling Type
Power Supply
Certificate
-23.3ºC (ASHRAE)
W
Kcal/h
Btu/h
W/W
Btu/W.h
ml
L
QDZH25G
2.5
2000
43.0
37.2
146.0
1.08
3.68
130
FC
12/24V (DC)
CE
2500
53.0
45.8
186.0
1.05
3.58
3000
62.0
53.5
211.0
1.06
3.62
3500
72.0
62.2
245.0
1.04
3.55
QDZH30G
3.0
2000
52.0
44.6
176.0
1.05
3.58
2500
64.0
55.0
217.0
1.05
3.58
3000
75.0
64.3
254.0
1.06
3.62
3500
87.0
74.7
295.0
1.04
3.55
QDZH35G
3.5
2000
60.0
51.9
204.6
1.08
3.68
2500
73.0
63.1
248.9
1.07
3.65
3000
86.0
74.4
293.2
1.06
3.62
3500
100.0
86.5
341.0
1.05
3.58
QDZH43G
4.3
2000
80.0
69.1
273.0
1.15
3.92
2500
96.0
82.9
327.6
1.2
4.09
3000
115.0
99.4
392.4
1.25
4.27
3500
138.0
119.2
470.9
1.25
4.27
MK
QDZH50G
5.0
2000
87.0
75.2
296.8
1.17
3.99
180
2500
104.0
89.9
354.8
1.13
3.86
3000
130.0
112.3
443.6
1.35
4.61
3500
163.0
140.8
556.2
1.2
4.09
QDZH65G
6.5
2000
120.0
103.6
409.4
1.2
4.09
2500
150.0
129.6
511.8
1.2
4.09
3000
180.0
155.5
614.2
1.2
4.09
3500
210.0
181.4
716.5
1.2
4.09
4. Compressor Packing and Container Loading
5. Compressor Certificate
6. Our Production View
7. Our Show Room
8. Introduction of Company
Business Type: Manufacturer, Exporter
Location: Hangzhou (near Shanghai and Ningbo), China
Year Established: 2009 (formerly known as Hangzhou Maidi Heating and Refrigerating Equipment Co., Ltd.)
Company Certificate: ISO9001/ISO14001/OHS18001
Main Products: Refrigerator Compressor, Refrigerant Gas, Liquid Line Refrigeration Spare Parts
9. Why Choose Us
Advantages we offer:
- Experienced supplier of refrigeration products
- Over 10 years of exporting experience
- Recognized by BV, SGS, ISO, and more
Benefits you get:
- Stable quality from high-quality materials and advanced technology
- Competitive pricing without compromising on quality
- Excellent service before and after sales
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Hot-dip galvanization is the most common method of galvanizing steel. In this process, the steel is first cleaned and then immersed in a bath of molten zinc at a temperature of around 450°C. The zinc reacts with the surface of the steel, forming a series of zinc-iron alloy layers that provide excellent corrosion protection.
Electro-galvanization, on the other hand, is a process that involves using an electric current to deposit a thin layer of zinc onto the steel surface. This method is typically used for thinner gauge steel and provides a smoother finish than hot-dip galvanization. However, it may not be as durable as hot-dip galvanization and is typically used for less demanding applications.
In addition to its corrosion resistance, galvanized steel is also fire-resistant and has good thermal conductivity. It is also relatively easy to fabricate and can be formed into a wide range of shapes and sizes, making it a versatile material for various applications.
However, galvanized steel may not be suitablefor all applications. It has a shorter lifespan than some other corrosion-resistant materials, such as stainless steel, and may require regular maintenance to ensure its continued protection against corrosion. Additionally, galvanization can affect the appearance of the steel, giving it a characteristic dull gray or silver color that may not be desirable for some aesthetic applications.
Another consideration with galvanized steel is the potential environmental impact of the galvanizing process. The production of galvanized steel typically involves the use of large amounts of energy and resources, and the disposal of waste products from the galvanizing process can have environmental implications. However, efforts are being made to improve the sustainability of the galvanizing process, such as through the use of more energy-efficient production methods and the recycling of waste materials.
DC Compressor 12/24VDC Car Mini Freezer Bar Fridge Refrigerator R134A Refrigeration Compressor Qdzh65g
Here is a rewritten and improved version of your content in English, ensuring it exceeds 500 characters and reads more naturally as if written by a human:
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Model NO.: QDZH65G
Pressure after Air Exhaust: 3-10 Gauge Pressure
Displacement: <1m²/m
Rotation Speed: 450-1000r/min
Reciprocating Compressor: Axial Piston Type
Rotary Compressor: Piston
Power Source: Battery or Solar
Usage: Vehicle Freezer/Refrigerator
Freezer Volume: 0-400L
Max Cooling Capacity: 210W
Door: Single Door
Trademark: sikelan
Transport Package: Carton and Pallet
Specification: QDZH65G
Origin: China
HS Code: 8414301100
1. Product Performance