Is the Walterscheid™ VSTI-BE Carbon Steel Plug compatible with hydraulic systems using BSP external threads and DIN 3852 type E ports?

Yes. The Walterscheid™ VSTI-BE Carbon Steel Plug is compatible with hydraulic systems using BSP external threads and DIN 3852 type E ports. It is specifically designed with an external BSP thread and manufactured to DIN 3852 type E standards, featuring a rectangular-cross-section elastomer gasket for secure, leak-free sealing. Constructed from carbon steel with a Guardian Seal™ galvanic coating and offered in L (light) and S (heavy) series, it provides robust corrosion resistance, a 4:1 safety factor, and easy installation via a hexagon socket—suitable for demanding hydraulic applications.

Does the Walterscheid™ VSTI-BE Carbon Steel Plug’s Guardian Seal™ coating require special maintenance or inspection intervals to maintain corrosion resistance?

The Walterscheid™ VSTI-BE Carbon Steel Plug’s Guardian Seal™ galvanic coating is formulated to provide outstanding corrosion and wear resistance, significantly extending service life under harsh conditions. It does not require special maintenance beyond standard hydraulic component care: regular visual inspections for surface damage or coating wear, routine cleaning to remove contaminant buildup, and prompt replacement if severe corrosion or coating breach is observed. Follow normal system inspection intervals used for hydraulic fittings—inspect during scheduled maintenance or whenever the system is serviced, and increase frequency in highly corrosive environments. Avoid abrasive cleaning methods or harsh chemicals that could damage the coating; mild detergents and non‑abrasive wipes are recommended. Adhering to these common practices will maintain the Guardian Seal™ protection and ensure long‑term corrosion resistance.

Walterscheid™ VSTI-BE Carbon Steel Plug

Additional information

Material	CS – steel (cast iron)

The Eaton Walterscheid™ DIN 2353 plug, type VSTI-BE, is engineered for reliable performance and precision sealing in demanding hydraulic applications. Designed with an external BSP thread and compliant with DIN 3852 type E standards, it incorporates an advanced elastomer gasket with a rectangular cross-section to ensure secure, leak-free connections. Offering a robust 4:1 safety factor, this plug is available in both L (light series) and S (heavy series), making it adaptable to a wide range of system requirements. Manufactured from high-quality carbon steel and enhanced with the Guardian Seal™ galvanic coating, it delivers outstanding resistance to corrosion and wear, significantly extending service life even under harsh operating conditions. Its hexagon socket design allows for easy installation and maintenance, while the combination of durability, safety, and versatility makes it an ideal choice for industries where reliability and efficiency are paramount.

List of product variants

Article number	Product variant name	Nominal inner diameter	Working pressure [bar]
HD-VSTI-02-BE-W	Walterscheid plug DIN 2353 1/8" BSP	-	400
HD-VSTI-04-BE-W	Walterscheid plug DIN 2353 1/4" BSP	-	400
HD-VSTI-06-BE-W	Walterscheid plug DIN 2353 3/8" BSP	-	400
HD-VSTI-08-BE-W	Walterscheid plug DIN 2353 1/2" BSP	-	400
HD-VSTI-12-BE-W	Walterscheid plug DIN 2353 3/4" BSP	-	400
HD-VSTI-16-BE-W	Walterscheid plug DIN 2353 1" BSP	-	400
HD-VSTI-20-BE-W	Walterscheid plug DIN 2353 1.1/4" BSP	-	250
HD-VSTI-24-BE-W	Walterscheid plug DIN 2353 1.1/2" BSP	-	250
HD-VSTI-H-20-BE-W	Walterscheid plug DIN 2353 1.1/4" BSP 400 bar	-	400
HD-VSTI-H-24-BE-W	Walterscheid plug DIN 2353 1.1/2" BSP 400 bar	-	400

The Eaton Walterscheid™ DIN 2353 plug, type VSTI-BE, is engineered for reliable performance and precision sealing in demanding hydraulic applications. Designed with an external BSP thread and compliant with DIN 3852 type E standards, it incorporates an advanced elastomer gasket with a rectangular cross-section to ensure secure, leak-free connections. Offering a robust 4:1 safety factor, this plug is available in both L (light series) and S (heavy series), making it adaptable to a wide range of system requirements. Manufactured from high-quality carbon steel and enhanced with the Guardian Seal™ galvanic coating, it delivers outstanding resistance to corrosion and wear, significantly extending service life even under harsh operating conditions. Its hexagon socket design allows for easy installation and maintenance, while the combination of durability, safety, and versatility makes it an ideal choice for industries where reliability and efficiency are paramount.