TOPWELL ideal DC TIG welding machine PROTIG-250Di with pulse control system
TOPWELL ideal DC TIG welding machine PROTIG-250Di with pulse control system
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PROTIG-250Di
Refined TIG welding for industrial applications
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Application:
Metal Fabrication
Maintenance and Repair
Auto Body
Light Industrial -
Processes:
DC TIG
Stick (SMAW)
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Input Power: 200-240V, 1-Phase
Rated Output at 40℃ (104℉):
250A at 20V @60% Duty Cycle
Weight: 15kg
PULSED TIG
Conventional Pulsed TIG 
Typically from 0.2 to 10 PPS. Provides a heating and cooling effect on the weld puddle and can reduce distortion by lowering the average amperage. This heating and cooling effect also produces a distinct ripple pattern in the weld bead. The relationship between pulse frequency and travel speed determines the distance between the ripples. Slow pulsing can also be coordinated with filler metal addition and can increase overall control of the weld puddle.
High Speed Pulsed TIG 
In excess of 40 PPS, Pulsed TIG becomes more audible than visible—causing increased puddle agitation for a better as-welded microstructure. Pulsing the weld current at high speeds — between a high Peak and a low Background amperage — can also constrict and focus the arc. This results in maximum arc stability, increased penetration and increased travel speeds.
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Item No PROTIG-250Di Rated Input Voltage 1PH ~ 230V ±15% Max. Load Power Capacity TIG: 7.81KVA MMA: 5.63KVA Rated Duty Cycle(40℃) 60% TIG: 250A/20V MMA: 200A/18V 100% TIG: 200A/18V MMA: 160A/26.4V Welding Current/Voltage Range TIG: 3A/10.1V~250A/20V MMA: 20A/20.8V~200A/28V Open Circuit Voltage 70V~80V Power Factor 0.8 Efficiency 80% TIG Pulse Frequency 0.2Hz~200Hz Pulse Width (Ratio) 1~100% Arc-starting Current 5A~250A Crater-filling Current 5A~250A Current Up-slope Time 0.1S~15S Current Down-slop Time 0.1S~15S Pre-Gas Time 0.1S~15S Flow-Gas Time 0.1S~15S Spot Arc Time 0.1S~10S MMA Arc Force 10A~200A Hot Start Time 0.1~3S Hot Start Current 10A~200A Dimension (LxWxH) 410X190X305mm Weight (KG) 15 KG
Water-cooling Unit: WC-100
Operating Voltage 230V 50/60Hz Rated Power 260W Cooling Power 1.5KW(1L/MIN) Maximum Pressure 0.3MPA/60HZ Recommended Cooling Liquid 20%~40% ethanol/water Tank Volume 6.5L - For Standard accessories
TIG torch:TIG-26
Electrode holder with cable 2M
Earth clamp with cable 2MFor Optional accessories
BINZEL ABITIG ® GRIP 26
Argon gas regular
Trolley:WT-100
Foot Pedal
Water-cooling unit: WC-100
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Q:Are you a factory or a trading company?
A: We are factory with more than 10 years manufacturing experience and we provide perfect OEM and after-sale service.
Q:How can I pay my order?
A: We accept T/T, Western Union, Alibaba Trade Assurance payments. For those orders less than 1000USD, we accept PayPal to pay.
Q:How about your warranty?
A: We offer 3-year product life guarantee ,and a generous 1 year warranty on al purchases that begins with the bill of lading.
Q: Do you have a CE certificate?
A: For every model of machine, it has a CE certificate.
Q:How can I get the quotation?
A: We usually quote within 24 hours after we get your inquiry. If you are urgent to get the price,please send the message on trade management or call us directly
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