Fisher High Performance Butterfly Valve A31A
Fisher High Performance Butterfly Valve A31A Description: The Fisher A31A High Performance Butterfly Valve provides outstanding performance under extreme pressure and temperature conditions. The A31A valve maintains tight shutoff and is available in a fire-tested version.
The A31A valve is available as either a flangeless (wafer style) design or as a single-flange (lugged) design. A keyed drive shaft combines with a variety of handlevers, handwheels, or pneumatic piston diaphragm actuators to make the A31A a reliable,high-performance butterfly valve for a variety of on-off applications in the various process industries.
The A31A valve can be supplied with one of several dynamic seals (figure 1) that can be used in a variety of demanding applications. With the appropriate seal selection and materials of construction, the pressure-assisted seal provides excellent shutoff against the full ASME class pressure range for the specific valve type.
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.
we A&S Actuators Co,.Ltd could supply you with Fisher Butterfly Valves
the main models and types as follows:
Fisher A41 High-Performance Butterfly Valve
Fisher 8510 Wafer Type Butterfly Valve
Fisher 9500 Control Butterfly Valve
Fisher High Performance Butterfly Valve 8510B
Fisher High Performance Butterfly Valve 8560
Fisher High Performance Butterfly Valve 8580
Fisher High Performance Butterfly Valve A11
Fisher High Performance Butterfly Valve A31A
Fisher High Performance Butterfly Valve A31D
Fisher High Performance Butterfly Valve A81
Fisher High Performance Butterfly Valve 8532
Fisher High Performance Butterfly Valve POSI-SEAL A41
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