Is the ISO 6150B quick coupling plug with hose end, GROMELLE DN 5.5 compatible with standard 1/4" air fittings and threads?

ISO 6150B quick coupling plug with hose end, GROMELLE DN 5.5 is a metric-design quick coupling conforming to the ISO 6150B (DN 5.5) standard. This size and standard are not inherently the same as the common BSP (G) or 1/4" NPT imperial thread fittings used in many pneumatic systems. Practical implications: - The DN 5.5 designation refers to the nominal bore of the ISO coupling body, not a 1/4" thread specification. Physical dimensions and thread types differ from standard 1/4" (Â¼") air fittings. - Direct, leakâfree mating with a standard 1/4" threaded fitting is unlikely unless the 1/4" fitting explicitly matches ISO 6150B dimensions or uses an appropriate adapter. - If you need to connect ISO 6150B quick coupling plug with hose end, GROMELLE DN 5.5 to equipment with 1/4" threads, use a purposeâmade adapter or check that the mating half (socket) is manufactured to accept ISO 6150B/DN5.5. Always verify thread and coupling standards (ISO vs BSP/NPT) and pressure/temperature ratings before mating.

Does the ISO 6150B quick coupling plug with hose end, GROMELLE DN 5.5 support use with pneumatic tools at 16 bar and 700 l/min flow?

Yes. The ISO 6150B quick coupling plug with hose end, GROMELLE DN 5.5 is rated for a working pressure of 16 bar and specified flow 700 l/min (measured at Pe = 6 bar with Îp = 0.6 bar). It is intended for air and its materials (nickelâplated brass connection, galvanized steel plug) and temperature range (â20Â°C to +100Â°C) are suitable for pneumatic tool use. Ensure your system pressure and expected pressure drop match the test conditions; if you run tools at 16 bar with significantly different flow/pressure conditions, verify compatibility for your specific tool demands and hose line losses.

Can the ISO 6150B quick coupling plug with hose end, GROMELLE DN 5.5 be used with lubricated compressed air systems?

Yes. the ISO 6150B quick coupling plug with hose end, GROMELLE DN 5.5 can be used with lubricated compressed air systems, with some practical considerations. Why itâs suitable: - The coupling is specified âfor airâ and rated to a working pressure of 16 bar and operating temperature range â20 Â°C to +100 Â°C, so it handles typical compressed air system conditions including lubricated lines. - Materials (nickel-plated brass connection and galvanized steel plug) are compatible with common lubricant additives used in pneumatic systems and offer corrosion resistance. Practical notes: - Lubricant type and concentration: Ensure the lubricant used is compatible with brass and galvanized steel and does not degrade seals or plating. Mineral and synthetic pneumatic oils are generally acceptable; aggressive solvents or incompatible additives should be avoided. - Seal compatibility: Regularly inspect seals and replace them with compatible materials (e.g., NBR, FKM) if exposure to lubricant affects elasticity or causes swelling. - Maintenance: Lubricated systems can carry oil condensate; periodic cleaning and inspection of the coupling are recommended to prevent buildup affecting sealing or connection reliability. - Performance: The stated flow rate (700 l/min at Pe = 6 bar, Îp = 0.6 bar) and 16 bar working pressure are unchanged by lubrication, but actual performance depends on system conditions. Conclusion: Use is acceptable provided lubricant compatibility with coupling materials and seals is confirmed and routine inspection/maintenance is performed.

ISO 6150B quick coupling plug with hose end, GROMELLE DN 5.5

All products, General-purpose low-pressure quick couplings/

Additional information

Material	CS – steel (cast iron)

Gromellee quick coupling plug type ISO 6150B DN 5.5 with a compact design and very low weight, for air. Working pressure: 16 bar. Operating temperature: from -20°C to +100°C. Flow rate: 700 l/min, Pe = 6 bar, Δp = 0.6 bar. Material: nickel-plated brass (connection), galvanized steel (plug).

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
GR-GA0066701	ISO 6150B quick coupling plug DN5.5, for 10 mm hose, galvanized steel	10	16	In stock	Enquiry
GR-GA0066767	ISO 6150B quick coupling plug DN5.5, for 6 mm hose, galvanized steel	6	16	In stock	Enquiry
GR-GA0066778	ISO 6150B quick coupling plug DN5.5, for 7 mm hose, galvanized steel	6	16	In stock	Enquiry
GR-GA0066789	ISO 6150B quick coupling plug DN5.5, for 8 mm hose, galvanized steel	8	16	In stock	Enquiry
GR-GA0066790	ISO 6150B quick coupling plug DN5.5, for 9 mm hose, galvanized steel	8	16	In stock	Enquiry

Do you need a larger quantity of products or a bespoke quote?

Call us: +48 61 653 02 22 or email us: tubes@tubes-international.com

SEND ENQUIRY

Gromellee quick coupling plug type ISO 6150B DN 5.5 with a compact design and very low weight, for air. Working pressure: 16 bar. Operating temperature: from -20°C to +100°C. Flow rate: 700 l/min, Pe = 6 bar, Δp = 0.6 bar. Material: nickel-plated brass (connection), galvanized steel (plug).