Safety Automation Equipment List

SAEL

Emerson Fisher Controls A31A, 8532 Butterfly Valves and Control Disk
Emerson Fisher Controls

A31A, 8532 Butterfly Valves and Control Disk

Butterfly Valves

POSI-SEALâ„¢ A31A is a high-performance butterfly valve featuring a keyed shaft for on-off service. A31A is available in NPS 14 through 24, CL150 and CL300. This valve is available in either a flangeless wafer-style design, or a single-flange (lugged) body. The Cryogenic version of this valve is available in NPS 3 through 24.

IEC 61508     SIL 3

Assessed By:

   IEC 61508 Certificate   Assessment Report  

Last Updated: Wed, May 10, 2023