What is the PVC ISO-F quick connector socket cap, type SPLT, used for and how does it protect against contamination?

The PVC ISO-F quick connector socket cap, type SPLT is a blind plug designed to fit ISO-F non-leak quick coupling sockets. It is used to protect disconnected couplings and open ports from environmental contamination when hoses or fittings are removed. By sealing the socket, the cap prevents ingress of dust, dirt, moisture and other impurities that can damage sensitive components, cause leaks, or contaminate the fluid or gas inside the system. Made of red PVC, the cap provides a durable, chemically resistant barrier that preserves the internal sealing surfaces and prevents wear or scoring that could compromise future connections. Its snug fit maintains the non-leak integrity of the coupling face, reducing the risk of particulates entering the system during maintenance, storage or transport. In short, the PVC ISO-F quick connector socket cap, type SPLT protects connections from contamination and helps ensure reliable, long-term performance of quick coupling systems.

How does the PVC ISO-F quick connector socket cap, type SPLT, prevent contaminants from entering the system?

The PVC ISO-F quick connector socket cap, type SPLT prevents contaminants by providing a tight physical barrier over the ISO-F non-leak quick coupling socket. Made of durable PVC and fitted to the socketâs shape, the cap seals the connection point against dust, dirt and moisture when the coupling is not in use. Its snug fit minimizes gaps where particles or liquids could enter, protecting internal components from abrasion, corrosion and blockages. The bright red color aids visual identification so caps are kept in place, reducing exposure time. Overall, the cap protects the system by blocking ingress of impurities that could damage components.

Can the PVC ISO-F quick connector socket cap, type SPLT, withstand chemicals and harsh environments?

The PVC ISO-F quick connector socket cap, type SPLT is made of PVC and primarily designed as a blind plug to protect ISO-F non-leak quick coupling sockets from contamination and ingress of impurities. PVC offers good resistance to many common aqueous solutions, salts, and some acids and alkalis, and provides basic protection against dirt, dust and mechanical contamination in typical industrial and outdoor settings. However, PVC has limitations in aggressive chemical environments: it can be attacked or softened by strong solvents (e.g., ketones, aromatics, chlorinated hydrocarbons), certain oils, concentrated acids or bases at elevated temperatures, and some oxidizing agents. Prolonged exposure to UV, extreme temperatures, or abrasive chemicals may reduce its mechanical integrity and sealing performance. Conclusion: The PVC ISO-F quick connector socket cap, type SPLT is suitable for protecting connections in general, non-aggressive environments and against common contaminants. It is not recommended for prolonged exposure to strong solvents, highly corrosive chemicals, or severe chemical/thermal conditions; for such environments consider caps made from chemically resistant materials (e.g., PTFE, Viton, or specialized engineering plastics) and verify compatibility with the specific chemicals involved.

PVC ISO-F quick connector socket cap, type SPLT

All products, Hydraulic quick couplings/

Additional information

Material	P – material (plastic)

Blind plug for ISO-F non-leak quick coupling socket protecting connections from contamination, which may result in damage to components and the ingress of impurities into the system. Material: PVC. Color: red.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
DP-SPLT-06002	1/4" PVC socket plug, red	-	-	In stock	Enquiry
DP-SPLT-13002	3/8" PVC socket plug, red	-	-	In stock	Enquiry
DP-SPLT-20002	1/2" PVC socket plug, red	-	-	In stock	Enquiry
DP-SPLT-25002	3/4" PVC socket plug, red	-	-	In stock	Enquiry
DP-SPLT-30002	1" PVC socket plug, red	-	-	In stock	Enquiry

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Blind plug for ISO-F non-leak quick coupling socket protecting connections from contamination, which may result in damage to components and the ingress of impurities into the system. Material: PVC. Color: red.