... valve and gas cylinder are connected directly, increasing responding and spot welding speed, reducing air flow cost2) Perfect pressurization speed adjustment, descending ... , automobiles, etc.2.Main Parameters: Model Rated powerInput powerDuty cycle Welding capacitystrokeGap Depth Arm dia.Holdet dia.Weight KVAVHz%mm+mmmmmmmmmmmmkgCDN2525380V ...