Rugged Alloy Products UN pressure vessels are designed and built to perform reliably for the world's most demanding users, in challenging transport situations around the globe. They live up to rigorous United Nations standards and Alloy Products' reputation for quality and long life.

Alloy Products responds to your demand for these versatile vessels with a large inventory of pre-tested, in-stock 1-, 3-, 5-, 10- and 55-gallon models. You can save the cost of testing to UN standards by using these stock UN vessels.

Built in compliance with UN/DOT 49 CFR non-bulk packaging, parts 172-178 (latest revision), all UN vessels manufactured by Alloy Products undergo the following tests:

  • Drop Test Subpart M, Section 178.603
  • Leak-Proofness Test Subpart M, Section 178.604
  • Hydrostatic Test Subpart M, Section 178.605
  • Stacking Test Subpart M, Section 178.606
  • Vibration Test Subpart M, Section 178.608
  • Periodic Retesting Subpart M, Section 178.601(e)

Standard Features

  • Four 1/4"-18 NPT female pipe fittings in top head.
  • White pickle finish.
  • A stainless-steel skirt is standard on all models with a removable rubber boot standard on all 9' models.
  • Ring chimes for protection of fittings and ease of transport during shipment and use.
  • Built-in skids on 55-gallon model 88-55.
  • Alloy Products vessels fully comply with the requirements of the American Society of Mechanical Engineers (ASME) for Unfired Pressure Vessels, Section VIII, Division 1.
  • 9" diameter models have CRN registration in Ontario as a standard feature.

Tanks are certified with pipe plugs as the standard closure.