Hydraulics & Fluid Protection

Anti-vibration BSP threaded plugs are intended to decrease vibrations and noise in mechanical systems. The serrated shape prevents vibration-induced loosening, while maintaining a solid hold on the pipes collar.

• Designed to be a reliable and efficient solution for reducing and dampening vibrations.

• It is used with BSP hydraulic fittings.

• Used in industries such as machinery, electronics, and automotive.

Material: LDPE Colour: Clear Series Code: SR6112

Banjo Bolt Caps are protective caps with a retaining washer to hold and protect banjo bolts from dirt and damage. They are easy to grasp, even while wearing gloves. Ideal for assembly storage and transportation.

• A Protection Cap and Retaining Washer in a single unit. These Banjo Bolt Caps hold everything together during assembly, storage and shipping.

• Protects against damage and dirt ingress.

• Easy to grip, even when wearing gloves.

Material: LDPE Colour: Black Series Code: SR1083

Banjo Union Caps prevent against dirt, damage and contamination, while in storage and transit. Quick and easy to install. Can endure temperatures ranging from -30C up to +80C.

• A range of protective caps designed for Banjo Union connections. They provide external assembly cover during storage and transportation to protect the connection from the ingress of dirt.

• Flexible PVC option offers snug fitting, and fast fitting and removal. HDPE options offers secure fit with a simple click.

• Fits hydraulic Banjo Unions to DIN 7642 B/E.

Material: HDPE, PVC Colour: Yellow, Red Series Code: SR1071, SRF0005

This range of push-fit caps is designed for Banjo Union connections. They provide a protective cover during storage, transportation and testing . This helps prevent the entry of contaminants and fluid residue that could leak and damage the main component. The Banjo Union connector protects the banjo fitting when installed from the hydraulic hose connecting it to a fluid line.

This series is manufactured from Post Consumer Recycled material, which is designed to support Essentra’s ESG ambitions and those of our customers. Material: LDPE - PCR Colour: Green Series Code: SRTOPCR

Banjo Union Plugs protect banjo unions against damage and fluid residue. They are sturdy and suitable for hydraulic and fluid systems. Can be supplied with or without a cover tab. Compatible with DIN 7642 B/E banjo unions.

• Designed to protect from damage, wear and tear, and dirt or moisture ingress.

• Provides a secure fit on banjo unions DIN 7642 B/E, forming a reliable sealing surface to prevent leaks.

• It can be used in applications in automotive or industrial machinery.

Material: LDPE Colour: Natural Series Code: SR1016

Breather Caps are used to protect equipment against moisture and particle contamination. Allows for airflow in applications, preventing a system from malfunctioning due to pressure changes.

• Facilitates a high rate of air flow.

• Protects equipment by controlling moisture and particle contamination.

• Ideal for applications exposed to pressure and demand from fluid levels.

Material: Aluminium Colour: Black Series Code: SRV0019, SRV0018

Centre Pull Tab Hose Plugs are designed to plug and seal hose ends. They have ribs that ensure a tight fit when plugging hydraulic lines without straining them. It features a high tensile strength, toughness, and flexibility.

The internal, centrally located pull tab enables simple plug insertion and removal, making it a hassle-free alternative. Furthermore, the tapered form allows for the plugging of numerous interior diameters. The plugs snug fit and secure seal effectively prevents dust, dirt, and other impurities from entering the hose. This helps protect internal components, guaranteeing optimal performance.

Commonly used for construction, automotive, and agricultural applications.

• Features a high tensile strength, toughness, and flexibility.

• Features ribs that ensure a tight fit when plugging hydraulic lines without straining them.

• The tapered form allows for the plugging of numerous interior diameters.

Material: EVA Colour: Yellow Series Code: SR6111

DKO Side Release Plugs protect DKO-compression fittings during transit, storage and processing by preventing damage and contamination. The flexible end fits securely into the DKO swivel nut. A side pull tab allows for easy removal.

• Protects DKO-compression fittings during transit, storage, and processing from damage and contaminants.

• The flexible end fits snugly into the DKO swivel nut, and the side pull tab allows easy removal.

• Commonly used to meet the needs of industries such as automotive, manufacturing, and machinery.

Material: LDPE Colour: Red, Yellow Series Code: SR1121

Prismatic Fluid Level Indicator Caps are resistant to solvents, oils, greases, and other chemical agents. The prismatic windows allow the viewing of liquid levels in various applications and are resistant to oils and solvents.

• Offers genuine glass of high stability.

• Scratch-proof.

• Seal housed in a groove and therefore cannot be lost.

• Groove design prevents seal from extrusion when the sight glass is tightened.

Material: Aluminium Series Code: SR6580

Grease Nipple Caps are designed to protect grease nipples from dust, moisture, dirt, and other contaminants. Our range offers a selection of caps with a tab, or without a tab, to make it easier to remove. The design of the cap provides a choice of knurled or non-knurled heads for easy gripping. These grease nipple caps can also be used as a visual indicator of whether the fitting has been lubricated.

These are an economical solution that is quick and easy to install and remove.

Used in fluid transmission applications that have grease nipples.

• Designed to protect from dust, moisture, dirt, and other contaminants.

• Quick and easy to install and remove.

• Suitable for use in machinery, equipment, vehicles or any application that uses grease nipples.

Material: TPE, LDPE Colour: Black, Red, Yellow Series Code: SRPITPE, SRPI, SR1019

Hexagonal caps are intended to cover hex-shaped fittings, bolts and nuts. Available in all conventional hydraulic coupling sizes. Due to the their adaptability, these caps can also be used to protect spherical components.

• Hexagonal Caps have a rigid design that allows for easy fitting and removal. Available in all common hydraulic coupling sizes.

• Also suitable for the protection of round components.

• Flexible and economical.

Material: LDPE Colour: Natural Series Code: SR1127

Hose Washer Caps are applied to the ends of hoses and tubes to keep them from slipping over the fittings. Protects against water, dust, grime and pollutants.

• It prevents water and dirt leaks.

• It is easy to install and remove.

• Used in construction applications, gardening and automotive industry.

Material: TPE, LDPE Colour: Black, Yellow Series Code: SR5758

Our range of O-Ring Face Seal Caps are designed to protect O-Ring face seal connectors that are used on hydraulic connections.

The cap design features a longer overall length for added protection from the ingress of dirt and other contaminants. They also include a moulded retaining ring at the bottom that snaps under the connector to keep it securely in place during transit and processing.

Our range is suitable for both UNF and JIC thread sizes.

• Designed for the protection of O-Ring face seal connectors used on hydraulic connections.

• Features a longer overall length for added protection.

• Suitable for UNF and JIC threads.

Material: LDPE Colour: Black, Blue Series Code: SRCFST, SR1078

Quick Fit Connector Caps are designed for easy and secure connections to connectors, fittings, and ports.

Provides reliable protection against contamination, moisture, and physical damage. Their reusability and durability make them a cost-effective option for both temporary and long-term protection.

Used in a variety of sectors, including automobiles, manufacturing, and hydraulics.

• Flexible and ergonomic design ensures a snug fit.

• Simple installation and removal, without the need for tools or complicated processes.

• Resistant to impacts, chemicals, and temperature fluctuations.

• They can be reused.

Material: LDPE Colour: Yellow Series Code: SRQCF

Quick Fit Connector Caps are designed to protect male quick-release connectors that meet SAE standards. Used in hydraulic applications to safeguard components from dust, moisture, shock damage and fluid leak residue, which could impact the hydraulic system during manufacturing, testing, storage and transport. It features a long centre tab that allows for easy removal with a strong grip, making it especially important for fluid applications.

This series is manufactured from Post Consumer Recycled material, which is designed to support Essentra’s ESG ambitions and those of our customers. Material: LDPE - PCR Colour: Green Series Code: SRQCFPCR

Quick Release Caps are designed for capping ISO A and ISO B series. They protect hoses, fittings and tubes from contamination, dirt, moisture and corrosion. They can withstand temperatures ranging from -40C up to 135C.

• A Quick Release Cap used in hydraulic applications. The female fitting is suitable to protect quick release couplings ISO 7241-1 Series A and B.

• Designed to remain attached to the hose.

• Protection from the ingress of dirt and moisture, and resistance to corrosion.

Material: TPE Colour: Blue, Green, Yellow, Red Series Code: SR1181

Quick-fit Connector Plugs are created to conform to SAE J2044 - 12 connectors for fuel systems. The plug offers protection from ingress of contaminants or potential leaks of fluid.

The ring tab is designed to cover the wall of the connector when fitted, and to be pulled out for easy and fast removal.

• Ring tab is designed to cover the wall of the connector when fitted.

• Helps quickly and easily connect wires, without needing special tools or equipment.

• Used in industrial, HVAC, and plumbing applications.

Material: LDPE Colour: Yellow Series Code: SRF0009

This Quick-Fit Connector Plug is designed with a ring tab that covers the connection wall when fitted and allows for simple removal, by pulling its ring tab. It provides ideal protection against contaminants such as dust, dirt, moisture and potential hydraulic fluid leaks during storage and transport. Meets SAE J2044 standards for fuel system connections.

This series is manufactured from Post Consumer Recycled material, which is designed to support Essentra’s ESG ambitions and those of our customers. Material: LDPE - PCR Colour: Green Series Code: SRQCMPCR

Threaded Protection Caps are designed for use with BSP and Gas Threads. Protects threads and fittings from damage during manufacturing, storage and transportation. The knurled head shape allows for easy installation and removal by hand, by simply twisting them on to the pipe or tube.

• Features a knurled head design that makes them easy to install and remove by hand by twisting them onto the pipe or tube.

• The protection cap keeps contaminants like dirt, dust, debris, and moisture out of the hole.

• Used in various applications, including hydraulic and pneumatic systems, automotive, and industrial applications.

Material: LDPE, HDPE, Nylon Colour: Natural, Yellow, Red Series Code: SR1018, SRF0015, SRF0014

Threaded Protection Caps protect threads and fittings from damage during production, storage and shipment, ensuring they remain in good condition and ready for use when needed. They keep contaminants like dirt, dust, debris and moisture out of the hole.

They feature a knurled head design that makes them easy to install and remove by hand. Simply twist them on to a pipe or tube. Used in various applications including hydraulic and pneumatic systems, automotive and industrial settings. Available in a wide range of thread sizes that conform to Metric, BSP/Gas and UNF standards.

This series is manufactured from Post Consumer Recycled material, which is designed to support Essentra’s ESG ambitions and those of our customers. Material: LDPE - PCR Colour: Green Series Code: SRCFPCR

Threaded Sealing Caps are designed for use with BSP and Gas Threads protect threads and fittings from damage during production, storage and shipping. Features an interior neoprene rubber sealing disc that limits fluid leakage and reduces possible shear. Used in hydraulic and pneumatic systems.

• The cap is fitted with an internal neoprene rubber sealing disk to limit fluid leakage, plus it reduces potential shearing.

• It is easy to install and remove by hand, but its hex head allows the plug to be applied or removed with a spanner or socket at low torque.

• Used in various applications, including hydraulic, pneumatic and general engineering industries.

Material: HDPE Colour: Yellow, Red Series Code: SR1126