What is the correct torque for installing the Nut for fittings, brass, type AI 13680 on pipes Ã4â22 mm (EN 1254-2)?

Nut for fittings, brass, type AI 13680 does not include a single universal tightening torque in the provided description (range of pipe diameters 4â22 mm, EN 1254-2, brass). Correct torque depends on pipe diameter, thread size, fitting design and whether a sealant or tape is used. Follow these guidelines: - Consult the fitting manufacturerâs assembly instructions for the specified torque table for AI 13680. - If manufacturer data unavailable, tighten to produce a leak-tight joint without over-torquing: typical hand-tight plus 1/4 to 1/2 turn with a wrench for small diameters (4â12 mm); hand-tight plus 1/2 to 1 full turn for larger diameters (15â22 mm). - Use calibrated torque wrench and validate on sample joints; recommended testing pressures per EN 1254-2. - If precise numeric torque is required for certification or repeatable assembly, contact the manufacturer or supplier for the certified torque values for each pipe diameter. (Manufacturer consultation is necessary for exact torque specification.)

Can Nut for fittings, brass, type AI 13680 be used with pipes outside the Ã4â22 mm range specified by EN 1254-2?

No. Nut for fittings, brass, type AI 13680 is specified for a range of external pipe diameters from 4 to 22 mm per EN 1254-2. Using it with pipes outside that Ã4â22 mm range would violate the standard and likely compromise joint integrity, sealing and safety. For pipes outside this range select a fitting/nut designed and certified for the specific external diameter and application.

Does Nut for fittings, brass, type AI 13680 require specific sealing materials for use with Ã4â22 mm pipes?

Nut for fittings, brass, type AI 13680 does not inherently specify additional sealing materials in the provided description. The product data states: brass construction, compliant with EN 1254-2, and suitable for connecting pipes with external diameters from Ã4 to Ã22 mm (Diameter D). EN 1254-2 covers copper and copper alloys fittings and generally assumes jointing methods appropriate to the fitting design. Whether specific sealing materials are required depends on the intended joint type and application: - Compression-style joints using a nut and an appropriate ferrule/olive normally rely on the metal-to-metal seal formed by the ferrule and do not require additional sealants. For such assemblies, use the correct ferrule/olive size matched to the Ã4âÃ22 mm pipe. - If the fitting is used with a mechanical or threaded connection, thread sealant tape or paste may be used on mating threads as appropriate to the application and media. - For gas, potable water, or other regulated systems, follow relevant codes and manufacturer recommendations regarding sealants, gaskets, or approved ferrules. In summary: Nut for fittings, brass, type AI 13680 itself does not mandate extra sealing materials; use the correct ferrule/olive for compression joints and apply thread sealants only where the connection type or applicable standards require them. Always follow the fitting manufacturerâs assembly instructions and relevant standards/regulations for the specific application.

Nut for fittings, brass, type AI 13680

All products, Low-pressure fittings and adapters/

Additional information

Brass nut AI 13680. Range of external diameters of connected pipes from 4 to 22 mm (Diameter D). Standard: EN 1254-2. Material: brass.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
AI-13680-04	Nut, tube 4 mm, M8x1 mm	-	-	In stock	Enquiry
AI-13680-06	Nut, tube 6 mm, M10x1 mm	-	-	In stock	Enquiry
AI-13680-08	Nut, tube 8 mm, M12x1 mm	-	-	In stock	Enquiry
AI-13680-10	Nut, tube 10 mm, M16x1.5 mm	-	-	In stock	Enquiry
AI-13680-12	Nut, tube 12 mm, M18x1.5 mm	-	-	In stock	Enquiry
AI-13680-14	Nut, tube 14 mm, M20x1.5 mm	-	-	In stock	Enquiry
AI-13680-15	Nut, tube 15 mm, M20x1.5 mm	-	-	In stock	Enquiry
AI-13680-16	Nut, tube 16 mm, M22x1.5 mm	-	-	In stock	Enquiry
AI-13680-18	Nut, tube 18 mm, M24x1.5 mm	-	-	In stock	Enquiry
AI-13680-22	Nut, tube 22 mm, M30x1.5 mm	-	-	In stock	Enquiry