Fisher Butterfly Double Flange A31D Valve

Fisher supplies the A31D as part of its industrial valve portfolio; the unit is specified where sealing class, flow coefficient, and pressure rating must match the surrounding process envelope.

Typical applications for the A31D include pressure relief on compressed-air headers, flow regulation in water-treatment loops, and emergency shut-off on steam lines within food and beverage systems.

Detailed mechanical and electrical specifications for Fisher A31D can be obtained on request; contact Verkopershulp.nl for the most recent revision sheets.

The 'A3' prefix on A31D denotes a hybrid model-code scheme adopted by Fisher to group related valve variants by size, rating, or connection style. Fisher engineering practice emphasizes tight tolerances and conservative ratings, qualities that make its valve line suitable for demanding installations.

Fisher A31D is sourced and shipped by Verkopershulp.nl to industrial buyers across the EU, with a 14-day return policy on standard parts.

Operators typically plan replacement of the A31D during scheduled maintenance windows, using Fisher's documentation for part identification and torque values.