Is the Quick-connect air plug MINI DN5, with hose end, brass, 35 bar compatible with RECTUS 21 and other Euro DN5 profiles?

Yes. The Quick-connect air plug MINI DN5, with hose end, brass, 35 bar is compatible with RECTUS 21 and other Euro DN5 profile couplings. According to the Eurostandard description, the MINI DN 5 quick coupling plug is interchangeable with RECTUS 21 and quick couplings of the EURO DN 5 profile from other manufacturers. It is designed for air, nitrogen and other nonâflammable gases, rated to 35 bar, operating from â20Â°C to +100Â°C, and made of brass.

Can the Quick-connect air plug MINI DN5, with hose end, brass, 35 bar be used for nitrogen and other non-flammable gases?

Yes. The Quick-connect air plug MINI DN5, with hose end, brass, 35 bar can be used for nitrogen and other non-flammable gases. The Eurostandard description explicitly lists use for air, nitrogen and other non-flammable gases; itâs rated to 35 bar, operates from -20Â°C to +100Â°C, and is made of brass. Itâs designed for small dimensions and high flow with low pressure drop and is interchangeable with RECTUS 21 and other EURO DN5 profile couplings. Ensure compatibility with your specific gas purity and system components, and follow applicable safety and regulatory requirements.

What maintenance is required for the Quick-connect air plug MINI DN5, with hose end, brass, 35 bar to ensure long life?

To ensure long life of the Quick-connect air plug MINI DN5, with hose end, brass, 35 bar, follow these maintenance steps: 1. Regular inspection - Visually check the plug before each use for cracks, corrosion, deformation or excessive wear of the brass body and hose connection. - Inspect sealing elements (O-rings) and locking parts for cuts, hardening or extrusion. 2. Cleaning - Keep the exterior and connection faces clean from dust, dirt and debris. Wipe with a clean, lint-free cloth. - For internal passages, blow out with dry compressed air (low pressure) to remove particles. Avoid liquids that can trap contaminants. 3. Seals and lubrication - Replace O-rings or seals at first sign of damage or every 6â12 months in typical use (sooner in aggressive or high-cycle environments). - Lightly lubricate O-rings and moving parts with a thin film of compatible silicone or PTFE-based grease safe for non-flammable gases. Do not use petroleum-based oils that can degrade seals. 4. Hose connection and fittings - Check hose end crimp/clip and threads for secure attachment and leaks. Re-tighten or re-crimp per hose manufacturer specs. - Leak-test after any hose reassembly using soapy water or approved leak-detection fluid. 5. Operating limits - Never exceed the rated working pressure (35 bar) or the specified temperature range (â20Â°C to +100Â°C). - Avoid exposure to corrosive chemicals or environments that accelerate brass dezincification. 6. Storage - Store disconnected plugs in a clean, dry place, capped or covered to protect the mating face and seals. - Protect from prolonged UV exposure and extreme temperatures. 7. Service intervals and replacement - Establish service intervals based on usage cycles; high-frequency use requires more frequent seal checks and replacements. - Replace the plug if locking function or flow performance degrades, or if brass is visibly compromised. Following these practices will help maintain sealing performance, safe operation and long service life of the Quick-connect air plug MINI DN5, with hose end, brass, 35 bar.

Quick-connect air plug MINI DN5, with hose end, brass, 35 bar

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

Additional information

Material	B – brass (bronze)

Eurostandard MINI DN 5 quick coupling plug, without valve, with hose connection, widely used in the industry (for air, nitrogen, and other non-flammable gases), where small dimensions and high flow efficiency with low pressure drop are required. Interchangeable with RECTUS 21 and quick couplings with EURO DN 5 profile from other manufacturers. Working pressure: 35 bar. Operating temperature: from -20°C to +100°C. Material: brass.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
LU-ESM-4-S	MINI DN5 quick coupling plug, for 4 mm hose, brass	4	35	In stock	Enquiry
LU-ESM-5-S	MINI DN5 quick coupling plug, for 5 mm hose, brass	5	35	In stock	Enquiry
LU-ESM-6-S	MINI DN5 quick coupling plug, for 6 mm hose, brass	6	35	In stock	Enquiry
LU-ESM-8-S	MINI DN5 quick coupling plug, for 8 mm hose, brass	8	35	In stock	Enquiry
LU-ESM-9-S	MINI DN5 quick coupling plug, for 9 mm hose, brass	10	35	In stock	Enquiry

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Eurostandard MINI DN 5 quick coupling plug, without valve, with hose connection, widely used in the industry (for air, nitrogen, and other non-flammable gases), where small dimensions and high flow efficiency with low pressure drop are required. Interchangeable with RECTUS 21 and quick couplings with EURO DN 5 profile from other manufacturers. Working pressure: 35 bar. Operating temperature: from -20°C to +100°C. Material: brass.