Materials options


Standard AZ valves can be supplied in:

Standard body materials options:

  • Ductile Iron EN-GJS-400-18 (GGG40.3) / ASTM A395,
  • Carbon Steel 1.0619 (GS-C 25) / ASTM A216 WCB,
  • Stainless Steel 1.4308 / ASTM A351 CF8,
  • Stainless – Steel 1.4309 / ASTM A351 CF3,
  • Stainless Steel 1.4408 / ASTM A351 CF8M,
  • Stainless Steel 1.4309 / ASTM A351 CF3M

In addition to these standard materials options we can supply the valves in almost every possible cast material, like: Hastelloy B/C/H276, Inconel, Monel, Nickel (CZ100), Duplex, Super Duplex, Titanium, Etc.

As a special upon request we also produce plug valves out of bar stock material.

Standard Lining materials:

  • FEP
  • PFA
  • PFA anti-static
  • PFA 951 HP Plus (higher resistance against chlorine media)
  • PVDF

As a standard up to DN 100mm (4″) the plugs are covered with PTFE.


AZ valves can be supplied with several types of safety sealings:

  • CA (Chemical resistant),
  • FS (for higher temperatures, simple fire-safe),
  • CASN (Chemical resistant for fluctuating temperatures and plug adjustment),
  • FSN (for higher temperatures, fire-safe and plug adjustment)

If you have any questions, or require any further information, than please contact one of our Technical Sales Managers. Fill-in our application form, or call direct at +31 (0) 252-674878.


We maken graag vrijblijvend kennis met u en helpen graag bij het vinden van de juiste afsluiter voor uw toepassing.

To get more information or receive a quotation
you can also call to +44(0)1942 834620
or e-mail to