European Special Alloy Valve Manufacturer

Valves in Duplex and A182 F51

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High Alloy Valve

Duplex and A182 F51 valves and their use.

We manufacture valves in duplex stainless steel, particularly for use in desalination and sea-water-related processes.

High Alloy Valve

Duplex material specification and equivalents

Forged A182 F51
Cast designation up to 1998 A890 Gr. 4A
Cast designation since 1998 A995 Gr. 4A (Supercedes A890
ASTM specification A351 CD3MN
European (DIN) Werkstoff number 1.4462
Unified Numbering System (UNS) S31802 and S33205
Type 22Cr5Ni3MoN
Other designations Duplex SAF 2205
Exotica Valves -- Spanish Fast-Track Valve Manufacturer

Looking for Duplex / A182 F51 valves? Send us your enquiry:

We look forward to receiving your enquiry on sales@exotica-valves.com or call us: +34-932207007