Kobewel Welding Regulators (Argon / CO2 / Oxygen / Acetylene)
HIGHLIGHTS: Kobewel Welding Regulators are precision gas pressure regulators engineered in Japan for welding, cutting, and gas shielding applications across argon, carbon dioxide, oxygen, and acetylene. The lineup covers five core...
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HIGHLIGHTS:
Kobewel Welding Regulators are precision gas pressure regulators engineered in Japan for welding, cutting, and gas shielding applications across argon, carbon dioxide, oxygen, and acetylene. The lineup covers five core gas types, with the carbon dioxide regulator also available in a heated variant for cold-weather or high-flow use.
All Kobewel regulators share a core build quality: bodies are forged from Class A brass bar for strength and service life, with housing caps press-formed from steel plate. Inlets are protected by a sintered bronze filter to keep contaminants out of the regulating mechanism, and gauge fronts use high-grade polycarbonate covers to protect against impact damage.
The line splits into two regulator types: flow-meter style (KR-10AR, KR-11CO, KR-12CO), which use a shatterproof PC flow tube to give a precise, visual outlet flow reading at a fixed 3.5 bar preset pressure — suited to TIG and MIG shielding gas applications — and twin-gauge style (KR-13OX, KR-14AC), which display both cylinder pressure and adjustable working pressure for oxy-fuel welding and cutting work.
FEATURES:
- Class A Brass Body – Forged for maximum strength and service life across the lineup.
- Sintered Bronze Inlet Filter – Protects the regulating mechanism from contaminants.
- Flow-Meter Type (KR-10AR, KR-11CO, KR-12CO) – Shatterproof PC flow tube gives precise outlet flow readings (0–25 L/min) at a fixed 3.5 bar preset pressure, viewable from all directions.
- Twin-Gauge Type (KR-13OX, KR-14AC) – Displays both cylinder pressure and working pressure, with a high-grade PC front cover protecting the gauge from damage.
- External Relief Valve – Ensures safety in use on flow-meter type regulators.
- Heated Variant Available (KR-12CO) – Automatic heater maintains 50°C–60°C to prevent regulator frosting; flame-retardant PC rear housing cap for insulation and safety.
- CGA-Standard Connections – Matched to the correct cylinder fitting for each gas type.
APPLICATIONS:
- TIG and MIG welding shielding gas supply (Argon, CO2)
- Oxy-acetylene welding and cutting (Oxygen, Acetylene)
- Manufacturing, construction, and installation industry gas regulation
- Cold environments or extended use requiring frost-resistant CO2 supply (heated KR-12CO)
| Brand | Kobewel |
| Catalog No. | KR-10AR |
| Gas | Argon (Ar) |
| Connection Type | CGA-580 |
| Flow Rate | 0–25 L/min |
| Max Inlet Pressure | 250 bar |
| Working Pressure | 3.5 bar (preset) |
| Also Suitable For | Ar, CO2, He, and mixed gas |
| Brand | Kobewel |
| Catalog No. | KR-11CO |
| Gas | Carbon Dioxide (CO2) |
| Connection Type | CGA-320 |
| Flow Rate | 0–25 L/min |
| Max Inlet Pressure | 250 bar |
| Working Pressure | 3.5 bar (preset) |
| Brand | Kobewel |
| Catalog No. | KR-12CO |
| Gas | Carbon Dioxide (CO2) or other mixed shielding gas |
| Connection Type | CGA-320 |
| Flow Rate | 0–25 L/min |
| Max Inlet Pressure | 250 bar |
| Working Pressure | 3.5 bar (preset) |
| Heater Power Supply | 190 W, 220 V |
| Heater Function | Maintains 50°C–60°C to prevent regulator frosting |
| Brand | Kobewel |
| Catalog No. | KR-13OX |
| Gas | Oxygen (O2) |
| Connection Type | CGA-540 |
| Flow Rate | 30 m³/h |
| Max Inlet Pressure | 250 bar |
| Working Pressure | 3.0–10.0 bar (adjustable) |
| Brand | Kobewel |
| Catalog No. | KR-14AC |
| Gas | Acetylene (C2H2) |
| Connection Type | CGA-300 |
| Flow Rate | 5 m³/h |
| Max Inlet Pressure | 30 bar |
| Working Pressure | 0.1–1.0 bar (adjustable) |
Note: KR-13OXE and KR-14ACE are dual-gauge variants of the Oxygen and Acetylene regulators shown with a different knob color in product imagery. Detailed specifications for these specific variants were not independently available at the time of writing — please confirm exact specs with the supplier before listing if precision matters for your use case.
Kobewel Warranty Coverage
- 6 months warranty against factory defects under normal operating conditions.
- Applicable to the range of Kobewel equipment, including ARC, TIG, and MIG welding machines, and related equipment.
- Subject to inspection and evaluation by an Authorized Service Center to determine warranty eligibility.
- Warranty is void if equipment failure is due to improper installation, incorrect power supply, severe voltage fluctuations, lack of prescribed maintenance, or continuous operation beyond the unit's rated duty cycle.
- Rejected: Claims will be denied if damage results from unauthorized modifications, use of non-genuine consumables or parts, physical impact, dropping, moisture/water ingress, or any user negligence (User Error).
Please retain your original proof of purchase. Warranty claims are valid only with proper documentation submitted within the warranty period.
Kobewel: High-Quality Welding Technology. Only with GIGATOOLS.
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