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Elliptical Inspection openings are manufactured From certified boiler plate and are supplied complete with neoprane gaskets.

All units are approved by the relevant statutory authority in each Australian State of Territory and meet the requirements of:

  • AS 1210 Unfired Pressure Vessel Code
  • AS 1228 Water Tube Boiler Code
Nominal SizeNo. of BoltsWeight (kg)DimensionsMaximum Design Pressure mPa at Degree C
400 X 300275408306802503225AS12100.940.830.610.54
400 X 300282408306802503232AS12102.
400 X 300290408306802503240AS12104.
400 X 3002105408306802503250AS12107.36.965.6
180 X 125111178123451651620AS12103.63.22.32
115 X 901611388401301216AS12103.


Standard products are produced from low-carbon steel boiler plate, being manufactured from AS 1548-7-460 grade material. Carbon steel ends are also available in ASTM A516 GR 70, AS 1548-7-490 and AS 1548 -5-490AL50 grade material.

  • Monel
  • Clad steels
  • High- & low-alloy steels
  • Aluminium
  • Stainless steel
  • Quenched and tempered steels


We offer a range of world-class services. Click on the menu items below to find out more.

Oval: 406mm x 305mm and 380mm x 280mm.
Circular: 381mm, 406mm, 458mm, and 508mm.

Typical testing is as follows:

  1. Class 1 and/or Class 2 physical weld tests to SAA specifications
  2. Weld procedure and physical tests to ASME specification
  3. Radiographic examination with NATA laboratory reports covering interpretation of the nominated codes, on either full or spot coverage

Please contact us for further details.

Independent certification ie: Lloyd’s Register of Shipping, Bureau Veritas etc.