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CAV4 Control Valve
Brand: FisherFisher 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.
Features- 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
Brand
Approvals & 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
Other Configurations
- Contact Your Local Emerson Business Partner or Sales Office to Learn About Additional Specifications or Options for This Product.
Pressure Class
- ASME
Process Connection Type
- Flanged, Butt Weld
Shutoff Class
- Class IV (FCI 70-2), Class VI (FCI 70-2)
Valve Size
- NPS 2, NPS 3, NPS 4, NPS 6
Valve Size Standard
- NPS
Documentation
Product Manuals
Brochure
Document
- Case Study Boiler Feedwater Recirculation Valve with 5 Stag pdf 1.2 MB
- Case Study Fisher HPT Valves with Cavitrol III Trim Reduce pdf 3.1 MB
- Case Study Fisher Valves Ship Quick Avoid Downtime pdf 1.3 MB
- Cavitrol IV Trim Technology Summary pdf 120 KB
- Product Bulletin Fisher CAV4 Control Valve pdf 299 KB