Bending a standard 4mm ink tube at a sharp angle causes the line to collapse or kink, choking off the ink supply and burning out printhead nozzles. The rigid 90-degree structure of the L Connector 4*4 guides the fluid smoothly around corners, eliminating mechanical flow bottlenecks.
A microscopic air leak at any tube joint will destroy the printhead's negative pressure. This elbow fitting features high-tolerance 4mm barbed ends that lock out traveling air micro-bubbles
Low-grade plastic joints easily soften, warp, or crack when exposed to volatile solvent carriers or UV monomer bases. Molded from industrial-grade PP plastic, our 4*4 connector resists aggressive chemical corrosion, preventing slow plastic breakdown and accidental ink leaks over sensitive electronics.
Bending a standard 4mm ink tube at a sharp angle causes the line to collapse or kink, choking off the ink supply and burning out printhead nozzles. The rigid 90-degree structure of the L Connector 4*4 guides the fluid smoothly around corners, eliminating mechanical flow bottlenecks.
A microscopic air leak at any tube joint will destroy the printhead's negative pressure. This elbow fitting features high-tolerance 4mm barbed ends that lock out traveling air micro-bubbles
Low-grade plastic joints easily soften, warp, or crack when exposed to volatile solvent carriers or UV monomer bases. Molded from industrial-grade PP plastic, our 4*4 connector resists aggressive chemical corrosion, preventing slow plastic breakdown and accidental ink leaks over sensitive electronics.
| Technical Parameter | Specification Details |
| Product Name | L Connector 4*4 / 4mm to 4mm 90° Elbow Fluid Joint |
| Angle Configuration | 90 Degrees Right Angle |
| Interface Specifications | 4mm to 4mm Equal Ends |
| Body Material | High-Density Chemical-Resistant Polypropylene (PP) |
| Chemical Compatibility | Resists Solvents, UV Monomers, Water-Based Fluids, Pigments |
| Tubing Size Fit | Standard 4mm x 3mm or 4mm x 2.8mm Industrial Ink Tubes |
The L Connector 4*4 (4mm to 4mm 90-Degree Elbow Joint) is a premium, high-tolerance fluidic spare part engineered specifically for the ink delivery systems of digital inkjet printing machinery. This component is designed to route 4mm outer-diameter (OD) ink tubes around sharp 90-degree corners inside the print carriage or machine chassis without causing line kinking, twisting, or mechanical flow restrictions.
