# Polyamide Welding Torch Inner Tube (Liner), 3.5 m, Black<\/p>\n
**Product ID:** 337147<\/p>\n
This high-quality, black polyamide inner liner (liner) is specifically designed for the precise and stable feeding of aluminum welding wires during MIG\/MAG (Gas-shielded Arc Welding) processes. This component, located inside the welding torch cable, plays a crucial role in ensuring the reliability of wire feeding, responsible for its smooth delivery to the welding point.<\/p>\n
Stable wire feeding is essential for achieving consistent weld quality, especially in sensitive aluminum work. The excellent lubricating properties of the polyamide material minimize wire resistance, thus reducing the risk of malfunctions and maintenance requirements. Regular replacement of the inner liners is recommended to guarantee maximum performance and reliability.<\/p>\n
## Main Features and Advantages<\/p>\n
* **Material Quality:** Durable and wear-resistant polyamide (PA) construction, ideal for wire feeding.
\n* **Color:** Black design.
\n* **Compatibility:** Specifically optimized for aluminum welding wires with diameters of 0.8 mm and 1.0 mm.
\n* **Function:** Ensures precise and unobstructed wire feeding along the section from the wire feeder unit to the end of the welding torch.
\n* **Length:** 3.5-meter length, providing the appropriate size for most standard welding torch cable lengths.
\n* **Easy Replacement:** Designed so that the maintenance process can be carried out simply and quickly on the welding equipment.<\/p>\n
## Technical Data<\/p>\n
Detailed specifications for the product can be found in the table below:<\/p>\n
| Specification | Value |
\n| :— | :— |
\n| **Product Name** | Polyamide Inner Tube (Liner) |
\n| **Part Number** | 337147 |
\n| **Color** | Black |
\n| **Material** | Polyamide (PA) |
\n| **Length** | 3500 mm (3.5 m) |
\n| **Dimensions (Length x Width x Height)** | 3500 x 4 x 4 mm |
\n| **Compatible Wire Diameters** | 0.8 mm and 1.0 mm |
\n| **Application Area** | Gas-shielded arc welding (MIG\/MAG), for aluminum wires |
\n| **Location** | Internal part of the welding torch cable |<\/p>\n
## Application Context<\/p>\n
This polyamide liner is part of the Wiel\u00e4nder+Schill professional welding technology range, meeting even the highest industrial demands. The quality of wire feeding directly influences the stability of the welding arc and the quality of the final joint. Aluminum welding is particularly sensitive to wire feeding problems because aluminum wire is softer, more prone to breaking, and susceptible to jamming due to friction against the inner liner wall.<\/p>\n
The 3.5 m length ensures that the liner guides the wire along the entire cable length, minimizing friction and damage caused by heat effects. Polyamide is excellently resistant to the mechanical stress resulting from the continuous movement of the wire, thus ensuring a long service life under normal operating conditions.<\/p>\n
**Important Note:** To maintain optimal performance of the welding equipment, the manufacturer recommends periodic inspection and replacement of the inner tube (liner) as needed. A worn or damaged liner can significantly reduce wire feeding efficiency, leading to intermittent arc faults or complete shutdowns.<\/p>\n
This product is an ideal choice for professional body repair shops, semi-industrial manufacturing units, and all users who require reliable and continuous aluminum welding performance.<\/p>","protected":false},"excerpt":{"rendered":"
High-quality, black polyamide inner liner (337147), 3.5 m long. For precise, reliable guiding of aluminum welding wires.<\/p>","protected":false},"featured_media":340267,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"product_brand":[1737],"product_cat":[19400],"product_tag":[],"class_list":["post-364184","product","type-product","status-publish","has-post-thumbnail","product_brand-wielanderschill","product_cat-alkatreszek-es-tartozekok","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/met-industry.hu\/en\/wp-json\/wp\/v2\/product\/364184","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/met-industry.hu\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/met-industry.hu\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/met-industry.hu\/en\/wp-json\/wp\/v2\/comments?post=364184"}],"version-history":[{"count":1,"href":"https:\/\/met-industry.hu\/en\/wp-json\/wp\/v2\/product\/364184\/revisions"}],"predecessor-version":[{"id":379845,"href":"https:\/\/met-industry.hu\/en\/wp-json\/wp\/v2\/product\/364184\/revisions\/379845"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/met-industry.hu\/en\/wp-json\/wp\/v2\/media\/340267"}],"wp:attachment":[{"href":"https:\/\/met-industry.hu\/en\/wp-json\/wp\/v2\/media?parent=364184"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/met-industry.hu\/en\/wp-json\/wp\/v2\/product_brand?post=364184"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/met-industry.hu\/en\/wp-json\/wp\/v2\/product_cat?post=364184"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/met-industry.hu\/en\/wp-json\/wp\/v2\/product_tag?post=364184"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}