Can the Quick release coupling DN2.7 with valve, threaded, brass, series 20KA be safely connected to a single shut-off coupling?

No . Quick release coupling DN2.7 with valve, threaded, brass, series 20KA (double shut-off) must NOT be connected to a single shut-off coupling. The double shut-off design has valves in both socket and plug; mating with a single shut-off version will prevent the valve from opening, so no flow will pass and a proper seal/function cannot be ensured. Use matching coupling types (double-to-double or single-to-single as specified) to ensure safe and correct operation.

Is the Quick release coupling DN2.7 with valve, threaded, brass, series 20KA suitable for use with nitrogen and other non-flammable gases under 35 bar?

Yes. Quick release coupling DN2.7 with valve, threaded, brass, series 20KA is suitable for use with nitrogen and other non-flammable gases up to 35 bar. It is explicitly designed for water, air, nitrogen and other non-flammable gases, has a working pressure of 35 bar, brass construction with compatible sealing (NBR), and double shut-off option for secure isolation. Ensure you use compatible thread type (external/internal BSP or metric) and note temperature limits (-20Â°C to +100Â°C) and flow characteristics for your application.

Can the Quick release coupling DN2.7 with valve, threaded, brass, series 20KA be used at flow rates of 165 l/min (air) and 3 l/min (water) without leakage?

Yes. Quick release coupling DN2.7 with valve, threaded, brass, series 20KA can be used at those specified flow rates without leakage, provided installation and conditions match the given specs. Reasons: - The product is explicitly designed for air and water (and other nonâflammable gases). - Air performance is listed as 165 l/min at Pe = 6 bar with Îp = 0.5 bar. this matches your air flow condition and pressure drop, so expected to operate without leakage. - Water performance is listed as 3 l/min with Îp = 1 bar and KV = 0.18. this matches your water condition, so expected to operate without leakage. - Working pressure rating of 35 bar and material/seal choices (brass body, AISI springs/balls, NBR sealing) support reliable sealing within the stated temperature range (â20Â°C to +100Â°C). Notes and cautions: - Use only the double shut-off version on both plug and socket; do not mix single shut-off with double shut-off (valve will not open). - Ensure thread type (external or internal BSP/metric) and proper assembly/torque to avoid mechanical leaks. - Verify compatibility with any fluids/additives outside plain water/air (NBR compatibility). - Maintain within stated temperature and pressure limits to preserve seal integrity.

Quick release coupling DN2.7 with valve, threaded, brass, series 20KA

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

Additional information

Material	B – brass (bronze)

Quick-connect plug, double shut-off, very small size DN 2.7 series 20KA, with valve, with external or internal BSP or metric thread. Designed for water, air, nitrogen, and other non-flammable gases. The double shut-off version has a valve in the socket and in the plug, and it is not permissible to connect the single shut-off version with the double shut-off version, as the valve will not open. Flow rate: 165 l/min, Pe = 6 bar, Δp=0.5 bar – air, 3 l/min, Δp=1 bar, KV=0.18 – water. Working pressure: 35 bar. Material: brass, AISI 301 steel (spring and ring), AISI 420 steel (balls). Sealing: NBR. Operating temperature: from -20°C to +100°C.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
RE-20SBAM05MPX	Quick coupling plug 20SB DN2.7, GZ M5, brass, NBR	-	35	In stock	Enquiry
RE-20SBAW10MPX	Quick coupling plug 20SB DN2.7, GZ 1/8" BSP, brass, NBR	-	35	In stock	Enquiry
RE-20SBIM05MPX	Quick coupling plug 20SB DN2.7, G1/8 M5, brass, NBR	-	35	In stock	Enquiry
RE-20SBIW10MPX	Quick coupling plug 20SB DN2.7, G 1/8" BSP, brass, NBR	-	35	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

Quick-connect plug, double shut-off, very small size DN 2.7 series 20KA, with valve, with external or internal BSP or metric thread. Designed for water, air, nitrogen, and other non-flammable gases. The double shut-off version has a valve in the socket and in the plug, and it is not permissible to connect the single shut-off version with the double shut-off version, as the valve will not open. Flow rate: 165 l/min, Pe = 6 bar, Δp=0.5 bar – air, 3 l/min, Δp=1 bar, KV=0.18 – water. Working pressure: 35 bar. Material: brass, AISI 301 steel (spring and ring), AISI 420 steel (balls). Sealing: NBR. Operating temperature: from -20°C to +100°C.