Hydraulic and Pneumatic Seals

M Barnwell Services Hydraulic and Pneumatic seals are known for their longevity and durability and are used by many well-known OEMs in food, construction, pharmaceutical, plant, pneumatic and hydraulic applications. We offer seals in Metric and Imperial sizes. They are available in a variety of materials, including Rubberised Fabric, PTFE (including Virgin, Carbon, Bronze, Glass filled), Polyurethane (AU), Nitrile (NBR), Hydrogenated Nitrile (HNBR). As well as, Viton® (FKM/FPM), Fluorosilicone (FVMQ), Ethylene propylene (EPDM), Silicone (VMQ), Nylon®, Nylatron®, Acetal, Peek, and Leather. Hydraulic and Pneumatic Seals With over 8,000 Hydraulic and Pneumatic Seals in stock, we supply and manufacture to over 5000 customers globally every month. Popular products supplied include (Click for more information): Rod Seals – Also known as a Gland Seal / headbush / neck seals Piston Seals / Piston Rings / Cup Seals Cast Iron Piston Rings Wiper Seals Static Seals Guide Rings We can also provide you with bespoke Hydraulic and Pneumatic Seals and Custom Parts, specially engineered to suit your application. 24 Hour Hydraulic and Pneumatic Seal Maker Service We have a number of Seal Maker machines that can manufacturer standard, bespoke and prototype fluid seals within 24 hours or sooner. provide Visit the Seal Maker Service page for more information about the service. If you would like more information about our range, download our catalogue, visit the Seal Maker Page or contact a member of the team.

Applicable Standards
  • ISO 5597

    Hydraulic fluid power — Cylinders — Dimensions and tolerances of housings for single-acting piston and rod seals in reciprocating applications

  • ISO 5597-1

    Hydraulic fluid power — Cylinder rod and piston seals for reciprocating applications — Dimensions and tolerances of housings — Part 1: Normal series

  • ISO 7425-1

    Hydraulic fluid power cylinders — Dimensions and tolerances of housings for elastomer-energized, plastic-faced seals — Part 1: Piston seal housings

  • ISO 7425-2

    Hydraulic fluid power cylinders — Dimensions and tolerances of housings for elastomer-energized, plastic-faced seals — Part 2: Rod seal housings

  • ISO 6457-1

    Textile machinery and accessories — Heald carrying rod for "C" shaped end loop of flat steel healds — Dimensions

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