Seal House
NZ's Sealing Specialists
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Seal House Limited

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Wear Rings


The function of an hydraulic Wear Ring (or Guide ring) is to guide the piston and piston rod of an hydraulic cylinder, absorbing transverse forces.
At the same time, the Wear Ring prevents metal-to-metal contact, optimizing the performance of the sealing system.
Seal House supplies hydraulic Wear Rings in different materials
and specifications to suit a variety of industry applications. Seal House can also custom-manufacture Wear Rings to suit.
Wear Rings come pre-formed, or in strip form.

Wear Ring Materials

Seal House can supply the following Wear Ring materials:

  • Bronze / PTFE - This material is used in low to medium duty applications where there are limited radial forces. This material is available in strips (of filled PTFE) or pre-formed to size. The strip material can be cut to any length to fit any rod or bore size without losing its concentricity.

    Styles include: MWRT, MWRSP

  • Glass / Nylon - This material is used in medium to heavy duty applications and the Wear Rings are made of glass reinforced nylon.
    With physical properties equivalent to bronze, Wear Rings made of glass-reinforced Nylon are highly recommended because of their wear rate and non-scoring properties and their ability to ingest metal chips.
    The temperature range is -40 degrees to 110 degrees and glass-reinforced Wear Rings have high compressive and tensile strength.
    Styles include: WR, MWR, LWR, MWRS, TWR

  • Fabric-reinforced Polyester Resin - This strip material is for heavy-duty applications where there are high radial forces.
    The use of woven fabric-reinforced polyester resin produces a dimensionally accurate rectangular strip which can be cut to any length.
    Low coefficient of friction and high compressive strength makes it an ideal bearing material and it is used in temperatures ranging from -40 degrees to 130 degrees.
    Styles include: MWRS, WRS, MWR


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Seal House can assist with choosing the best material for a particular application. Contact us to discuss your special requirements or give us a call on 0800 732 573

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Custom Wear Rings

Seal House provides a wide selection of cost effective solutions for your Custom Wear Ring requirements.
Using state of the art CNC technology, superior quality seal materials and our extensive knowledge base, we can optimise your seal life and performance by customising your Wear Ring to suit almost any application.
We stock a broad range of materials and profiles, enabling us to supply customised Wear Ring in a standard 1-4 day turnaround.

Our experienced machine operators ensure that your products are manufactured to an exacting technical standard at all times.

We stock a range of high-quality materials for use in conjunction with our CNC lathes - including bronze/ PTFE, nylons, and glass-reinforced fibres providing you with the best sealing solution for your application.



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Contact us to discuss your special requirements or give us a call on 0800 732 573

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Why use Seal House?

  • We have a proven reputation for providing Quality Technical Sealing Solutions for any sealing problem.
  • We employ highly experienced and skilled technical staff
  • We ensure that customer satisfaction is a top priority at every level of our company
  • We provide a comprehensive range of standard Wear Rings in materials, profiles and sizes to suit a wide variety of applications
  • We engineer customised Wear Rings that meet industry requirements for maximum sealing performance and durability in a wide variety of applications
  • We offer a range of sealing accessories which provide you with a One-stop Shop for all your sealing needs


Most Standard Wear Rings are available ex-stock. Non standard (custom Wear Rings) are generally available on a 1-4 day turnaround. 

Seal Materials

Selecting the most appropriate material for your Wear Rings has a critical impact on achieving the best sealing performance. We have a comprehensive range of the latest materials for all applications - contact us for help with your particular requirements.

Applications & Industries

Seal House Wear Rings are are successfully used in the following Industries:


  • Hydraulics
  • Pneumatics
  • Food processing
  • Pharmaceutical
  • Construction
  • Drilling
  • Mining
  • Injection moulding
  • Steel Production
  • Military / Defence
  • Tyre Production
  • Oil Field exploration
  • Packaging
  • Power Generation
  • Dairy
  • Valves and Cylinder Repair Industries 


...and in industries that require high chemical resistance, heavy duty or low friction applications.
Our Wear Rings are used throughout the South Pacific and Australia.

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