Is the Quick connector plug DN5 without valve, threaded, brass, series 21KA compatible with both external and internal BSP or metric threads?

Yes. The Quick connector plug DN5 without valve, threaded, brass, series 21KA is compatible with both external and internal BSP or metric threads. The product description explicitly states it is available with external or internal BSP or metric thread, so it will fit mating fittings specified in those thread standards. Ensure you match the correct thread type (BSP parallel/taper or the metric standard and size) and verify thread dimensions and sealing method for a proper, leak-free connection.

Can the Quick connector plug DN5 without valve, threaded, brass, series 21KA be used in pneumatic systems with rapid connect/disconnect cycles?

Yes - the Quick connector plug DN5 without valve, threaded, brass, series 21KA can be used in pneumatic systems with frequent rapid connect/disconnect cycles, with caveats. Its compact Eurostandard DN5 (MINI) design provides high flow efficiency and low pressure drop, one-handed operation for fast handling, brass construction for good mechanical durability, and a rated working pressure of 35 bar. Operating temperature range (â20Â°C to +100Â°C) covers typical pneumatic environments. However, because it is a plug without an internal valve, rapid cycling may allow brief air loss on disconnect and increased wear on sealing elements over time. For extremely high cycle rates or systems requiring zero-loss disconnection, a valved coupling is preferable. Regular inspection and seal replacement will extend service life.

Does the Quick connector plug DN5 without valve, threaded, brass, series 21KA support one-handed connection under full 35 bar pressure?

Yes. Quick connector plug DN5 without valve, threaded, brass, series 21KA supports one-handed connection under full 35 bar pressure. The product description explicitly states "One-handed operation" and lists a working pressure of 35 bar, indicating it is designed to be connected single-handedly at that maximum rated pressure. Materials and design (brass construction, Eurostandard DN5 MINI format, high flow efficiency and low pressure drop) further support reliable operation at the specified pressure. Ensure proper matching with the corresponding coupling (thread type and size), correct installation, and routine inspection to maintain safe one-handed use at 35 bar.

Quick connector plug DN5 without valve, threaded, brass, series 21KA

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

Additional information

Material	B – brass (bronze)
Standard length [m]	50

Quick coupling plug with free flow, Eurostandard DN5 (MINI), series 21KA with external or internal BSP or metric thread. Widely used in the industry where small dimensions are required with high flow efficiency and low pressure drop. One-handed operation. Working pressure: 35 bar. Material: brass. Operating temperature: from -20°C to +100°C.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
RE-21SFAD10MXX	Quick coupling plug 21SF DN5, GZ M10x1 mm (according to DIN 2353), brass	-	35	In stock	Enquiry
RE-21SFAD12MXX	Quick coupling plug 21SF DN5, GZ M12x1.5 mm (according to DIN 2353), brass	-	35	In stock	Enquiry
RE-21SFAW10MXX	Quick coupling plug 21SF DN5, GZ 1/8" BSP, brass	-	35	In stock	Enquiry
RE-21SFAW13MXX	Quick coupling plug 21SF DN5, GZ 1/4" BSP, brass	-	35	In stock	Enquiry
RE-21SFAW17MXX	Quick coupling plug 21SF DN5, GZ 3/8" BSP, brass	-	35	In stock	Enquiry
RE-21SFIM10MXX	Quick coupling plug 21SF DN5, G1/2 M10x1 mm, brass	-	35	In stock	Enquiry
RE-21SFIM12MXX	Quick coupling plug 21SF DN5, G1/2" M12x1.5 mm, brass	-	35	In stock	Enquiry
RE-21SFIM14MXX	Quick coupling plug 21SF DN5, G1/2 M14x1.5 mm, brass	-	35	In stock	Enquiry
RE-21SFIW10MXX	Quick coupling plug 21SF DN5, G 1/8" BSP, brass	-	35	In stock	Enquiry
RE-21SFIW13MXX	Quick coupling plug 21SF DN5, G 1/4" BSP, brass	-	35	In stock	Enquiry
RE-21SFIW17MXX	Quick coupling plug 21SF DN5, G 3/8" BSP, brass	-	35	In stock	Enquiry

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Quick coupling plug with free flow, Eurostandard DN5 (MINI), series 21KA with external or internal BSP or metric thread. Widely used in the industry where small dimensions are required with high flow efficiency and low pressure drop. One-handed operation. Working pressure: 35 bar. Material: brass. Operating temperature: from -20°C to +100°C.