Welding Pressure Regulator 'AU25B-H12II'

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last updated：Aug 05, 2025

Continuous stable supply of welding shield gas, including CO2, at 25L/min! Pressure regulator with heater.

The "AU25B-H12II" is a regulator optimized for supplying shielding gas for CO2 semi-automatic welding, MAG welding, and TIG welding. 【Features】 ■ Compatible with all commonly used gases for welding, including CO2, MAG, and Ar gas. ■ A heater with an electrical capacity of 210W is positioned optimally to alleviate cooling due to pressure reduction, achieving stable continuous supply. ■ Stable operation at 100% usage rate is possible even when using CO2. ■ Comes standard with a conversion fitting from M12×1 to 9/16-18UNF, making it usable with various welding machines. ■ Outlet pressure is pre-set, allowing for easy flow adjustment. *For more details, please refer to the PDF document or feel free to contact us.

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【Specifications】 ■ Gas used: CO2, MAG gas, Ar gas ■ Pressure gauge 　　・Inlet side: Equipped with 25MPa gauge 　　・Outlet side: None ■ Operating pressure range 　　・Inlet side: Up to 14.8MPa (up to 12MPa for CO2) 　　・Outlet side: 0.25MPa (preset) ■ Inlet and outlet shape 　　・Inlet side: W22-14 right female 　　・Outlet side: M12×1 right male ■ Accessories: Bag nut + φ8.5 hose fitting x 1 set, 9/16-18UNF male conversion fitting x 1 ■ Flow meter specifications 　　・CO2: 1–25L/min (normal) right side 　　・MAG, Ar: 1–25L/min (normal) left side 　　・Set pressure: 0.25MPa ■ Operating temperature range: -5 to 40℃ ■ Material (main body): C3771 ■ Discharge valve: Present ■ Heater specifications 　　・Electric capacity: AC100V, 210W 　　・Power cord length: 3m ■ Weight: 2.1kg *For more details, please refer to the PDF document or feel free to contact us.