8532 | Fisher™ 8532 High Performance Butterfly Valve | Fisher

Fisher™ 8532 High Performance Butterfly Valve

The Fisher 8532 high performance Butterfly valve offers outstanding performance under extreme pressure and temperature conditions. The 8532 valve maintains tight shutoff; is available in a fire-tested construction; and can be specified for cryogenic applications. Available as either a flangeless (wafer style) design; single flange (lugged); or Double Flanged design.

• The pressure-assisted seal design provides tight shutoff against the full pressure rating of the specified valve.
• The anti-blowout gland fits securely over the valve shaft; which has been turned down to form a circumferential shoulder that contacts the anti-blowout gland.
• A splined end connection on the drive shaft allows lever clamping by most Fisher rotary actuators.
• Optional keyed shaft is ideal for on/off applications and allows actuator selection flexibility.
• The optional ENVIRO-SEAL™ packing system is designed with very smooth stem surfaces and live-loading provides improved sealing; guiding; and loading force transmission.
• The valve body self-centers on the line flange bolts as a fast; accurate means of centering the valve in the pipeline.
• Seal retainer screws are located so there is no interference with the sealing function of either flat sheet or spiral-wound line flange gaskets.