Is the Quick Coupling DN5.5, No Valve, Threaded, Nickel-Plated Steel, Series 1400KA/1423KA compatible with ISO 6150B fittings and safe for 35 bar compressed air systems?

Yes. The Quick Coupling DN5.5, No Valve, Threaded, Nickel-Plated Steel, Series 1400KA/1423KA is designed in accordance with ISO 6150B (A-A-59439, MIL C-4109), so it is fully compatible with ISO 6150B fittings. It is manufactured from hardened, nickel-plated steel and rated for a working pressure up to 35 bar with an operating temperature range of -20°C to +100°C, making it safe and suitable for 35 bar compressed air systems when installed and used according to applicable standards and best practices.

Does the Quick Coupling DN5.5, No Valve, Threaded, Nickel-Plated Steel, Series 1400KA/1423KA require special maintenance to retain performance at -20°C to +100°C and 35 bar?

Quick Coupling DN5.5, No Valve, Threaded, Nickel-Plated Steel, Series 1400KA/1423KA No special or extraordinary maintenance is required to retain performance at -20°C to +100°C and up to 35 bar. Because the coupling is manufactured from hardened, nickel-plated steel and engineered to ISO 6150B standards, normal preventive maintenance is sufficient to ensure reliable operation: - Regular visual inspections for wear, corrosion or damage (recommended frequency: depending on usage, e.g. monthly or quarterly). - Keep mating surfaces and seals clean and free of debris; wipe with a lint-free cloth. - Inspect and, if fitted, replace O-rings/seals when worn or per planned maintenance intervals. - Apply compatible lubricant sparingly to moving parts if specified by your maintenance guidelines (use lubricants compatible with pneumatic systems and the temperature range). - Ensure threads are undamaged and properly tightened to prevent leaks; use appropriate thread sealant if required by installation practice. - Store unused couplings in a dry, clean environment to avoid surface contamination. Following standard pneumatic component care and the manufacturer’s installation/maintenance recommendations will maintain specified performance across the stated temperature and pressure range.

Quick Coupling DN5.5, No Valve, Threaded, Nickel-Plated Steel, Series 1400KA/1423KA

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

Additional information

Material	CS – steel (cast iron)

The quick coupling plug DN5.5 from the 1400KA / 1423KA series is a robust and reliable solution designed in accordance with ISO 6150B (A-A-59439, MIL C-4109) standards, ensuring full compatibility and safety in demanding industrial environments. Available with either an external BSPT thread or an internal BSP thread, it offers versatile installation options tailored to different system requirements. Manufactured from hardened, nickel-plated steel, the plug guarantees exceptional durability, resistance to wear, and long service life even under intensive use. With a working pressure of up to 35 bar and an operating temperature range from -20°C to +100°C, it provides consistent performance in a wide variety of applications, particularly in compressed air systems. Its precise engineering and high-quality finish make it a trusted choice for industries seeking efficiency, reliability, and secure connections in their pneumatic setups.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
RE-23SFAK10SXN	Quick coupling plug 23 DN5.5, GZ 1/8" BSPT, nickel-plated steel	-	35	In stock	Enquiry
RE-23SFAK13SXN	Quick coupling plug 23 DN5.5, GZ 1/4" BSPT, nickel-plated steel	-	35	In stock	Enquiry
RE-23SFAK17SXN	Quick coupling plug 23 DN5.5, GZ 3/8" BSPT, nickel-plated steel	-	35	In stock	Enquiry
RE-23SFAK21SXN	Quick coupling plug 23 DN5.5, GZ 1/2" BSPT, nickel-plated steel	-	35	In stock	Enquiry
RE-23SFIW10SXN	Quick coupling plug 23 DN5.5, G 1/8" BSP, nickel-plated steel	-	35	In stock	Enquiry
RE-23SFIW13SXN	Quick coupling plug 23 DN5.5, 1/4" BSP male thread, nickel-plated steel	-	35	In stock	Enquiry
RE-23SFIW17SXN	Quick coupling plug 23 DN5.5, G 3/8" BSP, nickel-plated steel	-	35	In stock	Enquiry
RE-23SFIW21SXN	Quick coupling plug 23 DN5.5, G 1/2" BSP, nickel-plated steel	-	35	In stock	Enquiry

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The quick coupling plug DN5.5 from the 1400KA / 1423KA series is a robust and reliable solution designed in accordance with ISO 6150B (A-A-59439, MIL C-4109) standards, ensuring full compatibility and safety in demanding industrial environments. Available with either an external BSPT thread or an internal BSP thread, it offers versatile installation options tailored to different system requirements. Manufactured from hardened, nickel-plated steel, the plug guarantees exceptional durability, resistance to wear, and long service life even under intensive use. With a working pressure of up to 35 bar and an operating temperature range from -20°C to +100°C, it provides consistent performance in a wide variety of applications, particularly in compressed air systems. Its precise engineering and high-quality finish make it a trusted choice for industries seeking efficiency, reliability, and secure connections in their pneumatic setups.