Is the QC-LOK® quick connector cap with cord, type QC4/QC6 suitable for outdoor use and resistant to corrosion in marine environments?

Yes. The QC-LOK® quick connector cap with cord, type QC4/QC6 is suitable for outdoor use and offers strong corrosion resistance in marine environments. It is made from AISI 316 stainless steel, which provides excellent durability and protection against corrosion in demanding and salt-laden conditions. The cap prevents contamination and mechanical damage when the connection is disengaged and seals effectively against dust, dirt, and external factors (it is not designed to withstand pressure). Its wide operating temperature range (−26°C to +204°C) further supports reliable outdoor performance.

Can the QC-LOK® quick connector cap with cord, type QC4/QC6 maintain a reliable seal and prevent contamination during long-term storage in dusty or industrial environments?

Yes. The QC-LOK® quick connector cap with cord, type QC4/QC6 provides reliable protection and contamination prevention for long-term storage in dusty or industrial environments. As a blind plug specifically made for QC4 and QC6 quick coupling sockets, it is designed to prevent contamination and mechanical damage when the connection is disengaged. Constructed from AISI 316 stainless steel, it offers excellent corrosion resistance and durable performance in demanding conditions. While not rated to withstand system pressure, the cap delivers effective sealing against dust, dirt, and external contaminants and has a broad operating temperature range (−26°C to +204°C), making it suitable for extended storage in harsh environments. Available in 1/4" and 3/8" sizes, it fits common applications and helps maintain equipment cleanliness and service life.

Quick-coupling socket cap QC-LOK®, with a cable, type QC4, QC6

All products, Precision threaded fasteners/

Additional information

Material	SS – stainless steel

Cap for socket quick coupling QC4 and QC6 compliant with the standard Standard Instrumentation, with a cable. cap not is designed for carrying pressure. protects plugs and socket od contaminants and damage, when quick coupling is disconnected. Size: 1/4″, 3/8″. Material: steel AISI 316. Operating temperature: od -26°C up to +204°C.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Price	Quantity	Actions	Catalogue
HM-QC4-BP-SS	Socket cap QC4, SS	-	-	In stock	0 €		Enquiry
HM-QC6-BP-SS	Socket cap QC6, SS	-	-	In stock	0 €		Enquiry

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Cap for socket quick coupling QC4 and QC6 compliant with the standard Standard Instrumentation, with a cable. cap not is designed for carrying pressure. protects plugs and socket od contaminants and damage, when quick coupling is disconnected. Size: 1/4″, 3/8″. Material: steel AISI 316. Operating temperature: od -26°C up to +204°C.