How does the CEJN 525/526 PVC Quick Connector Plug Cap - Black protect hydraulic and pneumatic couplings during storage and transport?

The CEJN 525/526 PVC Quick Connector Plug Cap - Black protects hydraulic and pneumatic couplings during storage and transport by providing a precise, dust‑tight barrier that prevents entry of dust, dirt and other contaminants that can impair performance or damage sensitive components. Made from durable PVC, the plug resists wear, chemicals and environmental exposure for long‑lasting protection in demanding industrial conditions. Its exact fit ensures secure sealing of the 525/526 (NORDIC RANGE) quick coupling faces, reducing maintenance needs and helping extend equipment service life. The black color gives a professional, discreet appearance suitable for varied equipment, while the simple blind‑plug design makes fitting and removal quick and reliable—safeguarding couplings during downtime, handling and transit and supporting uninterrupted operation.

Can the CEJN 525/526 PVC Quick Connector Plug Cap - Black withstand exposure to hydraulic fluids and common cleaning chemicals without degrading?

Yes. The CEJN 525/526 PVC Quick Connector Plug Cap - Black is manufactured from durable PVC and is described as offering long-lasting resistance to chemicals and environmental factors. That means it will withstand typical exposure to hydraulic fluids and common cleaning chemicals without degrading, providing reliable protection for hydraulic and pneumatic connections during downtime, transport, or storage. For aggressive or specialty fluids (strong solvents, high‑concentration acids/alkalis) verify compatibility with PVC or consult the fluid manufacturer to ensure long‑term resistance.

CEJN 525/526 PVC Quick Connector Plug Cap – Black

All products, Hydraulic quick couplings/

Additional information

Material	P – material (plastic)

The blind plug designed for CEJN quick coupling series 525 and 526 (NORDIC RANGE) provides reliable protection for hydraulic and pneumatic connections, effectively preventing the entry of dust, dirt, and other contaminants that could compromise system performance or cause costly damage to sensitive components. Manufactured from durable PVC, this plug ensures long-lasting resistance to wear, chemicals, and environmental factors, making it a practical solution for demanding industrial applications. Its precise fit guarantees secure sealing, while the black color offers a professional and discreet appearance suitable for a wide range of equipment. By safeguarding couplings during downtime, transport, or storage, the blind plug helps extend the service life of machinery, reduces maintenance needs, and supports uninterrupted operation. This simple yet essential accessory is an excellent choice for companies seeking to maintain high standards of cleanliness, reliability, and efficiency in their hydraulic and pneumatic systems.

List of product variants

Article number	Product variant name	Nominal inner diameter	Working pressure [bar]
CJ-H-095251051	CEJN 525 1/4" plug cap	-	-
CJ-H-095251052	CEJN 525 3/8" plug cap	-	-
CJ-H-095251053	CEJN 525 1/2" plug cap	-	-
CJ-H-095251054	CEJN 525 3/4" plug cap	-	-
CJ-H-095251055	CEJN 525 plug cap 1"	-	-

The blind plug designed for CEJN quick coupling series 525 and 526 (NORDIC RANGE) provides reliable protection for hydraulic and pneumatic connections, effectively preventing the entry of dust, dirt, and other contaminants that could compromise system performance or cause costly damage to sensitive components. Manufactured from durable PVC, this plug ensures long-lasting resistance to wear, chemicals, and environmental factors, making it a practical solution for demanding industrial applications. Its precise fit guarantees secure sealing, while the black color offers a professional and discreet appearance suitable for a wide range of equipment. By safeguarding couplings during downtime, transport, or storage, the blind plug helps extend the service life of machinery, reduces maintenance needs, and supports uninterrupted operation. This simple yet essential accessory is an excellent choice for companies seeking to maintain high standards of cleanliness, reliability, and efficiency in their hydraulic and pneumatic systems.