POSI-SEAL™ 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.
Assessed By:Certificate Assessment Report
Last Updated: Fri, December 21, 2018