Can the Quick-connect coupling socket DN7.2 Eurostandard with valve & hose fitting, 25 bar, SWING SC be safely connected or disconnected under pressure and what are the pressure limits?

Yes. The Quick-connect coupling socket DN7.2 Eurostandard with valve & hose fitting, 25 bar, SWING SC can be connected and disconnected under pressure, but with limits and safety features: - Safe pressurized connection: The innovative 90° insertion lets the plug be inserted while the installation is under pressure; the medium flow is automatically cut off during insertion. Maximum working pressure for this action: 15 bar. - Safe pressurized disconnection: The socket vents via a dedicated hole to release pressure gradually and prevent recoil, allowing safe disconnection under pressure up to 15 bar. - Full operational pressure: Once the plug and movable part are straightened and locked with the body ring, the coupling supports full working pressures up to 25 bar for normal operation (not for pressurized make/break). - Materials and limits: Nickel-plated steel and aluminum with NBR sealing; operating temperature range –20°C to +100°C. Summary: Pressurized make/break is permitted up to 15 bar; full flow operation is rated to 25 bar.

Does the Quick-connect coupling socket DN7.2 Eurostandard with valve & hose fitting, 25 bar, SWING SC require specific maintenance to ensure safe operation at rated pressures and temperatures?

Yes. The Quick-connect coupling socket DN7.2 Eurostandard with valve & hose fitting, 25 bar, SWING SC requires routine maintenance to ensure safe operation at its rated pressures and temperatures. Recommended practices: - Regular visual inspection: check for corrosion, cracks, wear on nickel-plated steel and aluminum parts, damaged threads, and integrity of the body ring and movable components. - Seal inspection and replacement: inspect NBR seals for hardening, cuts or swelling and replace seals at first signs of deterioration to maintain leak-free operation up to 25 bar and across -20°C to +100°C. - Functional tests: periodically connect and disconnect under controlled conditions to verify the 90° connection mechanism, automatic medium shut-off, and gradual venting function operate correctly; ensure safe disconnection pressure relief works. - Cleanliness: keep coupling faces, valve ports and the dedicated vent hole free of debris and contaminants that could impair sealing or venting. - Lubrication: where applicable use compatible lubricants sparingly on moving parts; avoid oils/greases incompatible with NBR or the handled media. - Pressure and temperature checks: do not exceed 25 bar working pressure (observe 15 bar limit for pressurized connection/disconnection) and stay within -20°C to +100°C; monitor operating conditions and relieve pressure before maintenance. - Scheduled replacement: follow service-life recommendations or replace the coupling if performance degrades, after repeated heavy use, or after exposure to aggressive media beyond specifications. - Training and documentation: ensure personnel are trained in safe connection/disconnection procedures and keep maintenance records. Following these steps preserves safe operation, prevents leaks or recoil incidents, and extends the service life of the Quick-connect coupling socket DN7.2 Eurostandard with valve & hose fitting, 25 bar, SWING SC.

Quick-connect coupling socket DN7.2 Eurostandard with valve & hose fitting, 25 bar, SWING SC

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

Additional information

Material	CS – steel (cast iron)

The tilted quick coupling socket with valve and hose end is designed for maximum efficiency and safety when working with compressed air, gases, and liquids of low to medium viscosity. Engineered to fit the widely used EURO DN7.2 plug profile, it ensures broad compatibility with the most popular plug systems on the market. The innovative 90° connection mechanism allows the plug to be inserted securely even when the installation remains under pressure, with the medium flow automatically cut off during the process. Once the plug and movable part of the socket are tilted into a straight position and locked with the body ring, the system is ready for full flow operation. For safe disconnection, the socket vents through a dedicated hole, releasing pressure gradually and preventing recoil. Built from durable nickel-plated steel and aluminum with NBR sealing, it guarantees reliability under demanding conditions, supporting working pressures up to 25 bar (15 bar during pressurized connection or disconnection) and operating temperatures from -20°C to +100°C. This robust and user-friendly solution combines safety, versatility, and long-lasting performance, making it an ideal choice for professional applications.

List of product variants

Article number	Product variant name	Nominal inner diameter	Working pressure [bar]
TST-SC-C-20500356	Quick coupling socket ES72 SWING C DN8 (tiltable), for 8 mm hose	8	25
TST-SC-C-20500357	Quick coupling socket ES72 SWING C DN8 (tiltable), for 10 mm hose	10	25
TST-SC-C-20500358	Quick coupling socket ES72 SWING C DN8 (tiltable), for hose 13 mm	12	25

The tilted quick coupling socket with valve and hose end is designed for maximum efficiency and safety when working with compressed air, gases, and liquids of low to medium viscosity. Engineered to fit the widely used EURO DN7.2 plug profile, it ensures broad compatibility with the most popular plug systems on the market. The innovative 90° connection mechanism allows the plug to be inserted securely even when the installation remains under pressure, with the medium flow automatically cut off during the process. Once the plug and movable part of the socket are tilted into a straight position and locked with the body ring, the system is ready for full flow operation. For safe disconnection, the socket vents through a dedicated hole, releasing pressure gradually and preventing recoil. Built from durable nickel-plated steel and aluminum with NBR sealing, it guarantees reliability under demanding conditions, supporting working pressures up to 25 bar (15 bar during pressurized connection or disconnection) and operating temperatures from -20°C to +100°C. This robust and user-friendly solution combines safety, versatility, and long-lasting performance, making it an ideal choice for professional applications.