Introduction: Fisher/Fisher Control-Disk™ rotary valves have excellent regulation performance. Compared to segmented ball valves, its equal percentage flow characteristics allow for a wider range of adjustments. This improved performance allows the valve to be controlled without process disturbances, allowing for better control of the target set point, resulting in improved process stability.
Features:
Springs on the external shaft provide support for the drive mechanism and butterfly plates, allowing the shaft to be mounted horizontally and vertically without compromising performance and cycle life.
Trim and bolt materials are available for acidic liquid and gas applications.
Both metal and soft seals have a pressure-assisted sealing effect to ensure tight shut-off even when pressure drops.
The modified expansion pin system ensures an effective and long-lasting connection between the butterfly plate and the shaft. This reduces backlash and wear in the drive system, which improves long-term performance. In addition, it can be easily and quickly removed for maintenance without the use of special tools.
The powder paint layer provides optimal corrosion protection for all steel components.
Additional travel indications are obtained by using the indicator lines on the shaft as well as the butterfly plate position markings on the packing gland.
Product parameters
Certifications: SIL, PED, CRN, Fugitive Emissions, NACE, ATEX, CUTR, Fire Safety
Critical Condition: General Condition
Flow characteristics: Equal percentage
Material: carbon steel, stainless steel, alloy
Operating temperature: standard temperature, high temperature
Pressure rating: PN, ASME
Types of process connectors: flanged, single flange, double flange, lug, clamp
Cut-off class: Class IV (FCI 70-2), Class VI (FCI 70-2)
Valve sizes: NPS 3, NPS 4, NPS 6, NPS 8, NPS 10, NPS 12, NPS 14, NPS 16, NPS 18, NPS 20, NPS 24
Valve size standard: NPS, DN
This article introduces Fisher/Fisher Control-Disk™ rotary valve products, if you are interested in Fisher/Fisher Control Valve, please also contact our customer service, we look forward to your call, hope our technology and service can bring you a better experience.
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