Valves in Aluminium-Bronze and B148 C95800


Aluminium-bronze valves are a suitable and far cheaper substitute to duplex, super duplex and monel for many seawater applications, especially in low-pressure applications. The most common valve in aluminium-bronze is the large diameter butterfly valve which often comes with a monel trim. Its major drawback is its low tolerance to heat. Aluminium-bronze is also referred to as nickel-aluminium bronze and abbreviated as NAB.


Aluminium-Bronze material specification and equivalents

ASTM specification B148
Unified Numbering System (UNS) C95800 and C95400

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