Seal House
NZ's Sealing Specialists
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Seal House Limited

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PISTON seals


Piston Seals are used to seal pressurized fluid or air between the piston and the bore in a hydraulic or pneumatic cylinder (Dynamic Pressure Sealing).
Piston seals are used in both Reciprocating and Linear applications. Seal house offers a wide variety of Piston Seals for use in both Single-acting and Double-acting systems.




Metric Styles include CRM, KDA, KYB, MUS.3, ODI, OUYVPM


Imperial Styles include ARC, CF, CFS, CL, CR, CTU, CU, DEKDA, US.3, US.VUST, VP



Seal House offers a range of differing qualities and designs of double-acting Piston Seals and will have an option available to suit almost any operational parameter - qualification level, operational type and operating conditions.

Metric Styles include DASP55.210SA.CTC, SPGTSPW, TDM,

Imperial Styles include 12G, CASTDAS, DPDW, DWL, DWM, DWP, IHM, IOP, J, MD, P55.210, PS.2700PS914, PU.210, SA.CTCSPGTI, STYLE 77, TD, TFER, TRI



Seal House provides a wide selection of cost effective solutions for your custom Piston Seal requirements.
Our advanced CNC lathe cutting machines use the latest in programmable technology to cut and shape a huge variety of profiles, by modifying a number of parameters to suit your specific needs. 
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 Ecopur, H-ecopur, Viton, Nitrile, Fluro-Polymers (PTFE), Acetal (POM) and Peek 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 Piston Seals in materials, profiles and sizes to suit a wide variety of applications
  • We engineer customised Piston Seals 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 Piston Seals are available ex-stock. Non standard (custom ) are generally available on a 1-4 day turnaround. 

Seal Materials

Selecting the most appropriate material for your Piston Seals has a critical impact on achieving the best sealing performance.
We have a  comprehensive range of the latest materials for all applications, including Ecopur, H-ecopur, Viton, Nitrile, Fluro-Polymers (PTFEs), Acetal (POM), Peek and many more.

Applications & Industries

Seal House Piston Seals 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 Piston Seals are used throughout the South Pacific and Australia.

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