R290 Refrigerant Heat Exchanger
R290 is about 40% of the filling volume of R134a or R404A. The maximum allowable filling volume of R290 refrigerant is 150g in a single refrigeration cycle system . Properly reducing the inner diameter of the pipeline;Improving the heat efficiency of the condenser, etc. optimizing the length, spacing and direction of condenser;Improving the heat transfer efficiency of evaporator, increasing the contact area of the inner wall, and reducing the volume .
R290 Refrigerant Heat Exchanger R290 Refrigerant Heat Exchanger,R290 All Aluminum Evaporator Coil,R290 Copper Condenser Coil,R290 Aluminum Plate Heat Exchanger Zhejiang Tongxing Technology Co., Ltd. , https://www.txheatexchanger.com
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High frequency ac dc tig welding machine;Ac 220v welding machine;Dc mma inverter welding machine zx7-200;Ac dc tig 200p welding machine;Zx7 inverter dc mma welding machine;
Taylor welding machine;Thermofusion welding machine;Linoleum welding machine;Spout welding machine;Keyue welding machine;Cheaper weldig machine;Plasma cutter;Mini plasma cutter;
Mag welder;
;Mma Welder Machine;Welder 200a;
Co2 welder;Mig machine;Inverter welder;
Hf pvc welding machine;Cutting machine;Ac arc welding machine;Inverter dc tig welding machine;Welding fitting;Welding positioner;Solder;
Welding goggles;Ultrasonic machine;Co2 welder;Inverter welding;Chain making machine;Welded mesh machine;Plasma cutter;Dc inverter
Mma Inverter Welders Welder 200a;Arc welding machine;Spot welding machine;Cnc welding machine;Dc arc welding machine;Automatic welding machine;
Aluminum welding machine;Welding accessory;Argon welding machine;Submerged arc welding machine;Laser spot welding machine
[Performance characteristics]
1.Control Panel superior design
2.Digital display, welding current is adjustable precision 1A
3.Arc current can be individually adjusted, has excellent arc start performance
4.Thrust current can be adjusted
5.With a variety of security features
6.Temperature protection, overcurrent protection, short circuit protection, phase loss indication function
7.Welder key components of the design of the "three"
8.Small size, light weight, suitable for mobile operation
[Features and applications]
Raise the frequency from 50/60hz to high frequency .E.G.50khz.After reducing the voltage and rectifying,output powerful Dc with the technology of PWM.The weight and size of the main transformer decrease dramatically but the efficieny will rise by over 30%.
1.With the function of auto-compensation against power fluctuation.And the output welding current will be stable;
2.Having the function of auto-protecting against over-voltage and over current;
3.Having powerful arc-force;
4.Reliable quality with small dimension and weight as well as high efficiency;
5.Able to weld basic and acid electrodes;Applicable to low carbon steel,mediem carton steel and alloy steel.
[Technical parameters]
Type
IGBT/ZX7-250A
Ratedinput voltage / frequency
Three-phase 220/380V±15% 50/60Hz
Rated input current (A)
32A
Output voltage (V)
67V
Rated duty cycle (%)
60
No-load voltage(V)
67
Output current range (A)
30-250
Efficency
85
Power Factor
0.93
Shell protection grade
IP21S
Insulation class
F
Overall foot LxWxH (mm)
350*150*235
Weight (Kg)
5.6
[ Main market ]
Europe, South America , Southeast Asia, Mid East ,North America.
[ACCESSORIES]
With welding torch,earth clamp,electrode holder,mask,brush.
[CERTIFICATE]
CE,ROHS,GS,ISO9001