Iron-based alloy powder is commonly used in plasma transfer arc welding (PTAW) due to its excellent mechanical properties and high resistance to corrosion and heat. This type of powder is typically composed of iron as the base metal, along with various alloying elements such as nickel, chromium, molybdenum, and tungsten. Fe Alloy Powder,Stainless Powder,High Temperature Powder,Iron Base Pta Welding Powder Luoyang Golden Egret Geotools Co., Ltd , https://www.xtcwelding.com
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As an industrial water chiller, this water cooled water chiller has the following features: Chiller, water chiller, water cooled chiller
1. Cooling capacity: 9.8kw~123kw
2. Normal conditions: Chilled water inlet temperature is 12 degrees, outlet temperature is 7 degrees. Ambient temperature 35 degrees.
3. Operating range: Chilled water temperature 9~20 degrees.
4. Input power: 3P-380V-50Hz, Allowable fluctuate voltage: ± 10%, allowable voltage difference in phase: ± 2%.
5. Measuring noise spot: 2m ahead and 1.5m high in front of chiller with average measurement on four dimensions.
6. Accept orders for special requirements.
7. Scroll hermetic compressor international brand-free maintenance.
8. Electrical elements and refrigeration components are used from world-renowned brand.
9. Industrial and durable design, with stainless steel water tank and high-lift pumps.
10. Wide range of variable chilled water temperature to meet the industrial requirements throughout whole year.
11. Designed as an independent refrigeration circuit, each compressor corresponding to one refrigeration circuit.
12. Friendly choose to use environmentally R407C or R134A refrigerant.
WATER CHILLER, CHILLER, WATER COOLED CHILLER
      Item                                                            Type
DLP-
03WSZ
05WSZ
08WSZ
10WSZ
12WSZ
15WSZ
20WSZ
20WDZ
25WDZ
30WDZ
40WDZ
Refrigerant capacity
kW
9.8
15.9
28.6
31.7
36.3Â
46.0Â
61.5
63.4
72.6Â
91.0Â
123.0Â
103kcal/hr
8.4
13.7
24.6
27.2
31.2
39.5
52.8
54.5
62.4
78.2
105.7
RT
2.8Â
4.5Â
8.1Â
9.0Â
10.3Â
13.1Â
17.5Â
18.0Â
20.6Â
25.9Â
35.0Â
Compressor
Quantity (SET )
1
1
1
1
1
1
1
2
2
2
2
Refrigeration input power(kW)
2.1
3.5
5.7
6.4
7.3Â
10.2
13.8
12.8
14.6Â
20.3
27.7
Operating current (A)
3.9
7.0Â
10.5
11.7
15.5
20.0Â
21.1
23.4
31.0Â
40.1
42.2
Input power
kW
2.5
4.1
6.4
7.2
8.8
11.7
15.3
14.3
16.1
22.5
29.9
Operating current
A
4.7
8.2Â
12.1
13.4
17
23.3Â
28.7
26.7
30.7
44.9
55.6
Condenser
Type
Pipe  high efficiency heat exchanger
Cooling water flow (L/min)
34Â
55Â
98Â
109Â
125Â
161Â
215Â
218Â
249Â
318Â
431Â
Interface size
25
25
40
40
40
50
50
50
65
65
65
Evaporator
Type
Pipe dry high efficiency heat exchanger
Chilled water flow (L/min)
28
46
82
91
104
131
176
182
208
261
353
Interface size
25
25
40
40
40
50
50
50
65
65
65
Chilled water pump
Type
High efficiency, low noise centrifugal water pump
Input power (kW)
0.37
0.55
0.75
0.75
1.5
1.5
1.5
1.5
1.5
2.2
2.2
Head  (mH20)
16
21
22
19
17
25
24
24
23
22
21
Safety devices
High & low voltage protection, current overload protection, antifreezing protection, electronical delay protection
Nominal tank volume
L
85
90
190
190
190
210
250
250
250
360
400
Overall size
 Length (mm)
1200
1300
1350
1350
1350
1600
1900
1900
1900
2150
2300
 Width (mm)
750
750
850
850
850
900
900
900
1000
1000
1300
Height (mm)
900
1100
1200
1200
1200
1200
1200
1200
1100
1200
1350
Machine weight
kg
150
200
285
350
450
600
830
830
1050
1250
1350
The specific composition of the iron-based alloy powder may vary depending on the desired properties and application requirements. For example, adding nickel can increase the strength and toughness of the weld, while chromium enhances the corrosion resistance. Molybdenum and tungsten are often added to improve the high-temperature strength and creep resistance of the weld.
Iron-based alloy powders for PTAW are available in various particle sizes, typically ranging from a few micrometers to several hundred micrometers. The powder is usually fed into the plasma arc through a powder feeder, which ensures a controlled and consistent supply of powder during the welding process.
During PTAW, the powder is melted and deposited onto the workpiece, forming a weld bead. The high energy plasma arc provides the heat necessary to melt the powder and the base metal, creating a strong and durable weld joint.
Overall, iron-based alloy powder for plasma transfer arc welding offers excellent weldability, high mechanical properties, and resistance to corrosion and heat, making it suitable for a wide range of applications in industries such as aerospace, automotive, and power generation.