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Today, we introduce the original OTC AW-12 water-cooled argon arc welding torch imported from Japan. This torch is available in two lengths: 4 meters and 8 meters. Choose the length that best fits your welding needs. Below is the exploded view and complete parts list for the AW-12.
| Symbol | Part Name | Model / Part Number |
|---|---|---|
| 1 | Gun body | H12F00 |
| 2 | Tungsten clamp (3.2–6.4mm) | H12B31 |
| 3 | O‑ring | 3570-302 |
| 4 | Insulator | H12B10 |
| 5 | O‑ring | 3570-303 |
| 6 | Insulating sleeve | H12B09 |
| 7 | Cover | H12B11 |
| 8 | Tungsten electrode clamp | H12B32 |
| 9 | Tungsten electrode clip (4.0mm) | H12B33 |
| 10 | Cerium tungsten electrode | 0870-432 |
| 11 | Cerium tungsten electrode | 0870-040 |
| 12 | Insulating sleeve | H12B06 |
| 13 | Nozzle No.8 | H12B21 |
| 14 | Nozzle No.10 | H12B22 |
| 15 | Long gun cap | H77C00 |
| 15-1 | O‑ring | 3570-301 |
| 16 | Handle | H12B02 |
| Symbol | Part Name | Model / Part Number |
|---|---|---|
| 17 | Protective cover (4m) | H77F01 |
| 18 | Gas hose (4m) | H12C00 |
| 19 | Water pipe (4m) | H12D00 |
| 20 | Cable (4m) | H12E00 |
| 59 | Welding torch switch (4m) | K1108A00 |
| 59-1 | Switch body | K1108C00 |
| 59-2 | Plug | 4730-001 |
| Symbol | Part Name | Model / Part Number |
|---|---|---|
| 17 | Protective cover (8m) | H221F01 |
| 18 | Gas hose (8m) | H221C00 |
| 19 | Water pipe (8m) | H221D00 |
| 20 | Cable (8m) | H221E00 |
| 59 | Welding torch switch (8m) | K1109A00 |
| 59-1 | Switch body | K1108C00 |
| 59-2 | Plug | 4730-001 |
For actual product photos of the original OTC AW-12 water-cooled argon arc welding torch, please visit: AW-12 original OTC water-cooled argon arc welding torch.
We are an officially designated OTC agent, supplying a full range of OTC welding equipment, original parts, and spare parts — all guaranteed genuine. All parts listed above are 100% original OTC Daihen spare parts.
📞 Contact Us for Orders / Inquiries
📱 Phone / WeChat / WhatsApp:
+86-180-9663-1656
📧 Email:
ahojotc@gmail.com
* For fastest response, please contact via phone or WhatsApp. You're also welcome to connect on WeChat to exchange knowledge and information about OTC welding machines.
Company: COMPANY：Authorized Distributor of OTC Daihen
Contact person: Contact：Mr.Fang
Mobile phone: Phone：+86-18096631656
Email address: Email：15305667776@163.com
Address: Add：Room 11-704, K Xijia, No. 502, Wangjiang West Road, Hefei, Anhui, China