New Zealand's Pipe Flange & Fitting Specialists

Appleton Design Engineering (ADE) is NZ's leading supplier of flanges, couplings/ gibaults, flange adapters, dismantling joints, valves and a range of specialist piping products.

We hold large stocks and also have the ability to manufacture both carbon and stainless flanges, flange fittings (i.e. Spectacle Blinds, Orifice Plates, Puddle Flanges ) and Pressed Neck Rings (collars) for both project work and one off “specials”. We hold a range of stainless steel and carbon flanges and fittings which are available ex stock with the ability to source any other material to suit your requirements. 

We hold large stocks of couplings, flange adapters, dismantling joints, and valves.

Other products also include, but not limited to, U-Bolts, Pipe Nipples, Pipe Clamps, End Caps, threadolets, nipolets and weldolets. We will look at any of your flange or fitting requirements.  We also offer a plasma cutting service.  

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Large Flange Stocks

Need a flange now? We hold a large range of stainless steel and galvanised flanges in stock.

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Short Notice Manufacturing

If we don’t have it we can manufacture at short notice. Highest quality for all run sizes.

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Quick Communication

We provide quick and easy communication. Got any questions?

Contact Us...

Based in Tokoroa, South Waikato, the New Zealand owned and operated company was first opened in 1976 originally supplying steel products to Kinleith Pulp and Paper Mill and has now been manufacturing for over 40 years servicing a wide range of clients and industries.

Large stocks and the ability to manufacture pipe flanges at short notice makes our service unsurpassed. We also dispatch to the Australia market and surrounding Pacific Islands. All of ADE’s products are manufactured with a focus on reliability, quality and service to our customers.

  • Short lead time (typically 1-2 days) and often overnight delivery to all main NZ centres for “one off urgent” non-standard stock orders.
  • Consistency of standard whether repetitive volume runs or complex "One-off' specials.
  • Full production flexibility.
  • Maintains ISO 9001:2015 Certification.

All items come with Material Certificates and a Certificate of Conformance is available on request. 

 Terms of Trade



Spectacle Blind / Orifice Plates / Orifice Flanges


Carbon Steel / Stainless Steel / Plate / Forgings


Couplings / Flange Adapters / Dismantling Joints


Terms of Trade