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CAV4 | Fisher™ CAV4 Valve | Fisher
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Overview Details for CAV4
Fisher™ CAV4 Valve
Fisher CAV4 valves are designed for clean; cavitating services where the pressure drop is above 207 bar (3000 psi). The Cavitrol™ IV trim in this valve is designed to have an expanding flow area. Each of the trim stages has a successively larger flow area. The result is a very efficient operation because more than 90 percent of the overall pressure drop is taken in the initial stages; where there is little danger of cavity formation which could result in cavitation.
- Designed to prevent cavitation.
- Has a pressure drop limit of 552 bar (8000 psi).
- The protected seat design separates the shutoff function from the throttling function to protect seating surfaces from throttling wear.
- Hardened trim materials provide excellent wear resistance; resulting in long trim life.
- Soft metal-to-metal seat provides tight shutoff without the need for periodic lapping.
- Cage-type trim allows removal and inspection of parts without taking the valve body out of the pipeline.
Specifications
Item Number | CAV4 |
Brand | Fisher |
Certifications | ATEX; CUTR; PED; CRN; NACE |
Critical Service | Cavitation; Dirty Service |
Flow Characteristics | Linear; Quick Opening; Characterization |
Material | Carbon Steel; Alloy |
Operating Temperature | Standard Temperature |
Pressure Class | ASME |
Process Connection Type | Flanged; Butt Weld |
Series | Fisher™ CAV4 Valve |
Shutoff Class | Class IV (FCI 70-2); Class VI (FCI 70-2) |
Type | Control Valve |
Valve Size Standard | NPS |
Valve Size | NPS 2; NPS 3; NPS 4; NPS 6 |