Dowty Washer Seal Rings – BSP Bonded Sealing Washers

Ensure a reliable seal on threaded fittings with Dowty Washer Seal Rings, also known as BSP Dowty washers, bonded seals or hydraulic sealing washers. Designed with a metal outer washer and a bonded nitrile rubber seal, these washers help prevent leaks in compatible hydraulic and fluid systems.

Suitable for a range of BSP threaded connections, Dowty washers are commonly used in hydraulic fittings, compressors, power packs, fuel lines and oil systems. They are a practical sealing solution for agricultural machinery, marine equipment, plant machinery and general industrial maintenance.

Dowty washer seal rings are supplied individually, making it easy to order the size required for your application.

Key Features and Benefits

• Reliable sealing: The bonded rubber seal helps prevent fluid leaks at compatible threaded connections.

• Metal and rubber construction: Combines a metal outer ring with a bonded nitrile rubber inner seal.

• Multiple BSP sizes: Available in sizes from 1/8" to 1" BSP.

• Versatile applications: Suitable for compatible hydraulic, oil, fuel and fluid systems.

• Individual supply: Purchase the specific size you need for maintenance or repairs.

Available Sizes

Select the appropriate Dowty washer for your fitting:

• 1/8" BSP

• 1/4" BSP

• 3/8" BSP

• 1/2" BSP

• 5/8" BSP

• 3/4" BSP

• 1" BSP

Construction and Fluid Compatibility

Each washer features a metal outer ring with a bonded nitrile rubber seal designed to provide a sealing surface when correctly installed.

The listed material is intended for use with compatible applications involving:

• Hydraulic fluid

• Oil

• Water

• Petrol

• Diesel

Important: Chemical compatibility depends on the exact fluid formulation, temperature, pressure and seal specification. Confirm that the nitrile rubber material is suitable for your operating conditions before installation. Pressure suitability also depends on the fitting design and application.

Ideal Applications

Dowty washer seal rings are commonly used for sealing compatible connections in:

• BSP hydraulic fittings

• Hydraulic power packs

• Compressors

• Fuel and oil lines

• Agricultural machinery

• Marine equipment

• Plant and construction machinery

• Industrial fluid systems and maintenance applications

Also Known As

These products may also be listed under the following names:

• BSP Dowty washers

• Dowty seals

• Bonded sealing washers

• Hydraulic sealing washers

When replacing an existing seal, check the BSP thread size and the washer dimensions to ensure the correct fit.

Order Dowty Washer Seal Rings from Conlan Oils

Conlan Oils supplies hydraulic fittings, sealing products, oils, lubricants, tools and workshop essentials for agricultural, industrial and commercial applications.

With over 40 years of experience supplying oils, lubricants, tools and workshop products, Conlan Oils can help you source hydraulic sealing washers and maintenance products for your home, farm or business.

If you can't find the product you need on our website, contact our team. We can often source and order products that aren't currently listed online, subject to supplier availability.

Contact Conlan Oils:

• Phone: 059 8632494

• Email: enquiry@conlanoils.com

Order the correct Dowty washer size for your fitting and help keep compatible hydraulic and fluid connections securely sealed.

Click & Collect is available during all shop opening hours

FREE delivery for all order over €150 inc Vat placed online in Ireland, This excludes BULKY ITEMS (Pallet deliveries) T&C apply. 

If you place an order online, we will contact you if any of your items are out of stock with current lead times or alternatives if suitable.

Your product is covered by a 12 month Warranty or more if you opted for the extended warranty. Make sure you register your product.