Catalogue 2 - STAUFF Connect

304 www.stauff.com/2/en/#304 S Catalogue 2 § Edition 03/2024 Assembly Instructions Assembly Instructions for 24° Tube Connectors with Soft-Sealing Cutting Ring (Type FI-WDDS/FI-WDDS-W5) Pre-Assembly with the Manual Final Assembly Stud Type FI-FK and Assembly in the Fitting Body 10mm 90±0.5° A maximum angular deviation of ±0.5° to the tube axis is permissible. Saw off tube at a right angle (90°) and at least 10 mm from the cut made by the manufacture / supplier. Do not use tube cutters or grinders. H 2 x H R The length of the straight sections of the tube of tube bends has to be twice the length of the union nut. max 0.2 x 45° max 0.2 x 45° Slightly deburr the inside and outside of the tube end (max 0.2 x 45°). The assembly area of the tube has to be free of dirt, chips and paint. Please note: Improperly prepared and contaminated tubes will affect the service life of the tube connectors and may result in leakage. Poorly deburred tube ends can result in damage to the internal O-ring! 1. Tube Preparation 2. Assembly Preparation Hardened assembly studs are wear-resistant, thus allowing for consistent assembly results with a maximum degree of accuracy, reliability and process stability. Assembly studs must be checked regularly for damage and dimensional accuracy. Replace assembly studs that are damaged and/or dimensionally inaccurate in all cases. Lubricate the 24° taper of the assembly stud as well as the two soft-sealing elements of the cutting ring (e.g. using hydraulic oil HLP32). Do not use lubricating grease! Immediately proceed with assembly to avoid the adhesion of dirt. Consecutively push the union nut and then the cutting ring onto the tube end. Pay attention to the correct alignment of the cutting ring: the cutting edges of the cutting ring have to face the tube end. Carefully insert the tube end into the 24° taper of the assembly stud until it is flush with the stop. The tube must be held in this position during the entire assembly process. Typical damage includes the partial or complete widening of the 24° taper, as well as material erosion. Material Erosion Widening of the Taper Please note: Assembly of reinforcing sleeves is essential when using thin-walled tubes. Refer to page 310. Please note when use FI-WDDS-W5 with Stainless Steel Fitting Body: Thread and 45° cone of the union nut and thread of the fitting body grease with special stainless steel fitting grease or use a silver coated union nut. A B C 4 5 6 A B 3 4 5