Here is a list of leading national suppliers of Nitrile Rubber (NBR) Hoses in the United Kingdom:

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Leading National Suppliers of Nitrile Rubber (NBR) Hoses in the UK

1. Parker Hannifin

   • Notable for their wide range of hydraulic and industrial hoses, including NBR hoses.

2. Tubeflex

   • Specializes in bespoke hose solutions, including NBR hoses for various applications.

3. Techniflex

   • Offers a variety of hoses including NBR hoses for industrial applications.

4. Hosemania

   • Known for providing custom hoses and fittings, including NBR rubber options.

5. Suction & Delivery Hoses Ltd

   • Provides a variety of hoses for different applications, including NBR rubber hoses.

6. B.L. Hydraulic

   • Supplies hydraulic and industrial hoses, including NBR options.

7. Prochem

   • Focuses on chemical and specialty hoses, which include NBR materials.

8. Hose & Allied Ltd

   • Offers a range of industrial hoses, including NBR hoses suited for various industries.

9. Hoseworld

   • Supplies a range of hoses and fittings including NBR rubber variants.

10. Meredith & Eyre

    • A supplier of various industrial products including NBR hoses for specific applications. ```

This list provides a mix of well-established companies and specialized suppliers in the UK market for Nitrile Rubber hoses. For the most updated information, it's advisable to visit each company’s website or contact them directly.