Is the QC-LOK® QC6 stainless steel bulkhead socket with tube connection compatible with equivalent couplings from other manufacturers under the Instrumentation Standard?

Yes. The QC-LOK® QC6 stainless steel bulkhead socket with tube connection is designed in compliance with the Instrumentation Standard and is compatible with equivalent couplings from other manufacturers. Made from AISI 316 stainless steel, factory-tested at 68 bar and rated for working pressures up to 103 bar, it uses Viton seals and an LET-LOK® connection to provide reliable, leak-free performance across –26°C to +204°C, making it suitable for aviation, gas, medical, pharmaceutical and laboratory applications.

Does the QC-LOK® QC6 stainless steel bulkhead socket with tube connection require special maintenance or periodic seal replacement to maintain leak-free performance?

The QC-LOK® QC6 stainless steel bulkhead socket with tube connection does not require special maintenance beyond standard good-practice care to maintain leak-free performance. Key points: - Sealing: QC6 uses durable Viton seals rated for a wide temperature range (-26°C to +204°C) and are selected for long service life under typical industrial, medical, and laboratory conditions. - Testing and construction: Each unit is factory-tested at 68 bar and built from AISI 316 stainless steel for corrosion resistance and robustness up to 103 bar working pressure, reducing the need for frequent intervention. - Recommended maintenance: periodic visual inspection for external damage, contamination or chemical attack; ensure connection faces are clean before mating; verify proper assembly and torque of any panel/tube fittings. - Seal replacement: not required on a fixed schedule under normal use, but replace seals if you detect leaks, visible seal degradation, chemical swelling, hardening, cuts, or after exposure to aggressive media beyond Viton’s compatibility. Also replace seals if service history involves repeated extreme pressure/temperature cycling. - Service intervals: determine based on your application’s severity, media, and regulatory requirements; keep spares of Viton seals and follow documented inspection after any abnormal event. In summary, no special recurring overhaul is mandated—observe routine inspection and replace the Viton seal only when signs of wear, damage or incompatibility appear.

QC-LOK® QC6 stainless steel bulkhead socket with tube connection

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Additional information

Material	SS – stainless steel

The QC6 quick coupling socket with valve and LET-LOK® connection for panel mounting is a premium solution designed in compliance with the Instrumentation Standard, ensuring reliability and compatibility with equivalent couplings from other manufacturers. Manufactured from durable AISI 316 stainless steel, it delivers exceptional resistance to corrosion and demanding environments, making it ideal for use in aviation, gas industry, medical applications, pharmaceutical processes, and laboratory systems. Each unit undergoes rigorous factory testing at 68 bar to guarantee leak-free performance, while its robust construction supports a working pressure of up to 103 bar. Equipped with Viton sealing, the QC6 ensures secure and long-lasting tightness, even under extreme conditions, with an impressive operating temperature range from -26°C to +204°C. This combination of precision engineering, safety, and versatility makes the QC6 coupling a trusted choice for professionals seeking efficiency, durability, and seamless integration into critical systems.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Price	Quantity	Actions	Catalogue
HM-QC6-B-LBC-06-SS	QC6 quick coupling bulkhead socket, LET-LOK 3/8", SS	-	106	In stock	0 €		Enquiry
HM-QC6-B-LBM-10-SS	QC6 quick-connect bulkhead socket, LET-LOK 10 mm, SS	-	106	In stock	0 €		Enquiry

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The QC6 quick coupling socket with valve and LET-LOK® connection for panel mounting is a premium solution designed in compliance with the Instrumentation Standard, ensuring reliability and compatibility with equivalent couplings from other manufacturers. Manufactured from durable AISI 316 stainless steel, it delivers exceptional resistance to corrosion and demanding environments, making it ideal for use in aviation, gas industry, medical applications, pharmaceutical processes, and laboratory systems. Each unit undergoes rigorous factory testing at 68 bar to guarantee leak-free performance, while its robust construction supports a working pressure of up to 103 bar. Equipped with Viton sealing, the QC6 ensures secure and long-lasting tightness, even under extreme conditions, with an impressive operating temperature range from -26°C to +204°C. This combination of precision engineering, safety, and versatility makes the QC6 coupling a trusted choice for professionals seeking efficiency, durability, and seamless integration into critical systems.