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Hydraulic Application Caps & Plugs

 (43 product groups)

What are hydraulic application caps and plugs used for?
Hydraulic application caps and plugs provide the critical role of protecting hydraulic systems from dirt, moisture, corrosion and damage during manufacturing, transit, shipping and storage. All of which can be harmful factors contributing to hydraulic system failure. Hydraulic caps and hydraulic hose plugs should be used through various processes such as manufacturing – particularly in powder coating and painting, during assembly and packaging and also used during machine shutdown when undertaking routine maintenance or repair. Their job is to prevent all types of contaminant from entering hydraulic systems through ports and fittings.

Thread types in our range include:
UNF
BSP
Metric
JIC threads

For more information about hydraulic line caps and plugs, hydraulic hose caps, fittings and other important products, visit our ‘How to choose caps and plugs guide.
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Round Vinyl End Caps

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Vinyl End Caps, commonly known as Flexicaps or PVC End Caps. A round cap that protects the outside diameter of threaded or non-threaded tubes, rods, pipes or paper tubes. The vinyl material can stretch on to larger dimensions for a tight fit without tearing, splitting or shredding.

These round vinyl end caps include a red flexible Polyvinyl Chloride (PVC) 60 Shore version, which is made from softer and more flexible material that allows for easy fitting. The bright red colour offers high visibility, thus reducing health and safety risks. Also included is a black PVC 80 Shore version that is more rigid than the red option. Also available is a glossy, dip-moulded round end tip that has a smooth finish. Durable round plastic end caps for round tubing are ideal product presentation and protection.

These vinyl caps provide a high-gloss, attractive finish making them ideal for use as decorative end caps. The flexibility and durability allows suitable fit for multiple applications. They can be used as a mask for coating, plating and paint applications, where the maximum temperature is not higher than 350F.

  • Simple push-fit design.

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Banjo Union Plugs

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Our Banjo Union Plugs offered in natural LDPE are ideally suited to prevent ingress of dirt and moisture. They fit banjo unions DIN 7642 B/E. Coming with either a tab cover or without any tab.

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DKO Side Release Plugs

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Yellow LDPE Compression Fit Plugs are specially designed to protect DKO-compression fittings (24 nipple with O-Ring) from damage and contaminants during transit, storage and processing. The flexible fin provides a firm and secure fit into the DKO swivel nut and the side pull tab allows for efficient removal.

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Centre Pull Tab Hose Plug

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Our Pull Tab Hose Plugs feature a large pull tab which allows easy removal. Pull Tab Hose Plugs are ideal for plugging hydraulic hoses, and they feature ribs which provide comfortable fit without stretching the hose. The yellow EVA material in Pull Tab Hose Plugs provides good tensile strength, toughness and increased flexibility

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Side Release Plugs

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Our Side Release Plugs provide easy removal for re-use or disposal. The LDPE Plugs protect holes and bores from ingress and dirt. Coming with either a smooth barrel or ribbed version offering different tightness of fit on application.

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Quick Release Plugs

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Hydraulic Quick Release Dust Plugs are male fitting suitable to plug ISO A and ISO B series. They are designed to remain attached to the hose and they offer excellent protection from dirt, moisture and corrosion.

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Standard Round End Caps

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Standard round end caps, also referred to as protection caps are a versatile option to cover holes or threads during transportation, paint process or on a finished product. These LDPE caps can be used on tubes, pipes or rods. Available in either red or natural, there are three shapes, ranging from short caps to cover holes to longer caps which will cover long threads. These caps are easily applied by pushing onto application and can be re-used upon application removal. Customers that purchase our Standard Round End Caps regularly buy our Protective Netting.

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Round End Caps - Standard

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Standard Round End Caps are non-threaded and available in a wide range of sizes. They are ideal for protecting threaded or non-threaded tubing, pipes and rods. Standard, short and long caps are available. The short versions are for general purpose closure and the long versions have an extra depth and feathered edge which ensure a tight fit. The design of these longer caps helps to prevent accidental displacement. All are available in a wide range of sizes

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Ribbed Pipe End Caps

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These Ribbed Pipe End Caps are non-threaded and are available in either Red or Yellow, we offer a wide range of sizes to suit your application. They are ideal for protecting threaded or non-threaded pipes, tubes or rods. Standard, short and long caps are available. The short versions are for general purpose closure and the long versions have an extra depth and feathered edge which ensure a tight fit. The design of these longer caps helps to prevent accidental displacement.

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Non-Threaded End Caps

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Our Non-threaded End Caps are available in wide selection of sizes and are made from Low-Density Polyethylene, in blue. They are ideal for protecting threaded or non-threaded tubing, pipes and rods. Standard, short and long caps are available. The short versions are for general purpose closure and the long versions have an extra depth and feathered edge which ensure a tight fit. The design of these longer caps helps to prevent accidental displacement.

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Push-In Plugs

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Push-in Plugs, also referred to as bungs are a versatile option to blank a variety of holes or bores during transportation, paint process or on a finished product. These LDPE plugs protect the handler from rough surfaces from cut holes. The Bung can also be used to protect internal threads. Additionally, the plugs can be used to mask and protect holes during a low temperature paint process. Available with either a flat or domed head these plugs are also offered in a variety of colours so can be used for colour identification or to match a finished product aesthetics. The advantage of these plugs is that they are simple to apply, with a simple push in motion.

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Hose Washer Caps

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Available in LDPE or TPR, these Hose Washer Caps are applied on hose and tube ends in order to prevent them from sliding over the fittings. Our range includes Yellow and Black colour options and offers a range of sizes to suit your application needs.

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Banjo Bolt Caps

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

A highly versatile cap that will protect your application against damage and the ingress of dirt. The product is also supplied with bridged retaining loops. The caps are easy to grip, even when wearing gloves and are available in a choice of sizes to suit your project needs.

  • Material: Low-Density Polyethylene (LDPE)
  • Colour: Black

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Banjo Union Caps

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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. Our range is available in a choice of two material options; Flexible Polyvinyl Chloride (PVC) and High-Density Polyethylene.

The Flexible PVC options offer a truly snug fit that offers optimum protection. The flexible material allows for quick fitting and removal, which is aided by a convenient finger tab.

The harder material of our HDPE options make application fast, by easily clicking the cap into place for a secure fit. Suitable for temperatures ranging from a minimum of -30 up to a maximum of +80 degrees celsius.

  • Materials: Flexible PVC and HDPE
  • Colours: Red and Yellow
  • Fits hydraulic Banjo Unions to DIN 7642 B/E

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Hexagonal Caps

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

The caps have a hexagonal shape, which makes them ideal for the protection of hexagonal connections and assemblies. However, the caps versatility means they are also suitable for the protection of round components. This makes them a flexible and economical choice for a range of projects.

  • Material: Low-Density Polyethylene (LDPE)
  • Colour: Natural

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O-Ring Face Seal Caps

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

The design of these caps 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 easily snaps under the connector to keep it securely in place during transit and processing.

Our range has a variety of sizes to suit your application needs. They are suitable for UNF and JIC threads.

  • Material: Low-Density Polyethylene (LDPE)
  • Colour: Blue

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Anti-Vibration Plugs - LDPE

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Anti-Vibration Plugs are ideal for BSP hydraulic fittings. The notched thread design allows our anti-vibration plugs to prevent parts coming loose during movement. These hydraulic plugs are manufactured in a transparent colour allowing easy inspection of fitted O-rings

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Gas Cylinder Valve Plugs

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Our Gas Cylinder Valve Protectors, developed in conjunction with major European gas companies, protect industrial gas valves from ingress of dust and dirt. The yellow LDPE Gas Cylinder Valve Protectors are tamper evident, and feature a unique vent flap which allows safe release of gas following accidental opening of valve

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Quick Release Caps

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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.

The cap is designed to remain attached to the hose. It offers superior protection from the ingress of dirt and moisture, and resistance to corrosion.

  • Material: Thermoplastic Elastomer (TPE)
  • Colours: Blue, Green, Red and Yellow
  • Temperature Range: -40F up to 275F (-40C up to 135C)

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Flanged Caps

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Flanged Caps are designed to protect the thread of studs. They are used throughout the automotive and engineering industries for general protection uses. The flanges on the profiles have different sizes allowing a socket wrench to function without removing the protection. We offer a selection of materials, including; LDPE, TPR, PVC and Silicone. Our range also includes colour options; Natural, Red and Black and wide choice of sizes to suit your application needs.

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Slottex Plugs

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Slottex Plugs are screw on protection plugs that can be applied or removed with screwdriver, spanner or socket. They can be tightened manually or with power tool. The range cover a large offering of dimensions suitable for Metric threads, BSP threads and UNF threads.

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Pull Tab Caps

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Our Vinyl Pull Tab Caps have a large pull tab allowing easy removal from the component. The PVC or EVA material used for these ranges provide good tensile strength, toughness and increased flexibility. Our range includes colour options; Black, Red and Yellow, with a wide choice of sizes to suit your application needs.

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Snap Fit Plugs

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Snap Fit Plugs have a single turn providing tight fit once pushed into position. The plug is design with a centre tab to allow a strong grip for tightening and easy removal. The range is suitable for Metric, BSP and UNF threads.

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Tear Tab Caps

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Tear Tab Caps are a standard, off-the-shelf solution that will allow you to meet your customers demands without those all too common time delays.

Tear Tab Caps are quick-fit and quick-release caps. As a rapid solution, they can be easily fitted and removed across an array of applications, including; critical hydraulic tubes and pipes, such as those that carry oils and other fluids around vehicles and machineries. This makes them an ideal choice for the specialist vehicle manufacturing industry, and other automotive and manufacturing sectors.

Tear Tab Caps also assist in the protection of tube and pipe ends during transportation and storage. They protect parts from damage, dirt, moisture and other forms of ingress. These caps are highly versatile, and ideal for a range of applications and different threads, including; BSP, GAS, UNF, JIC and NPT.

Made from Low Density Polyethylene (LDPE), the caps feature a simple tear-away tab for quick release, and fast removal. The ease of extracting the Tear Tab Cap from the hydraulic pipework makes the removal process faster. By simply pulling the tab, the cap splits open, tearing away.

The LDPE material is tough and flexible. They provide many of the advantages of PVC caps, such as integrity and cleanliness.

  • Colours: Blue, Natural and Yellow
  • RoHS Compliant

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Tapered Caps & Plugs - Heavy Duty

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These LDPE Heavy Duty Tapered Caps & Plugs include a rugged wall and seal rings for maximum protection. The tapered profile allows the versatile part to plug multiple internal diameters or cap various external diameters. Our range is available in either Red or White.

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