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NOTCHFLO | Fisher™ NotchFlo™ DST Control Valve | Fisher
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Overview
Details for NOTCHFLO
Fisher™ NotchFlo™ DST Control Valve
Fisher NotchFlo DST control valves are designed for dirty; cavitating services. The trim in this valve utilizes a series of flow restrictions and expansions to eliminate cavitation; while allowing up to 12.7 mm (1/2 in) diameter particulate to pass through without plugging.
- Designed to prevent cavitation.
- Has a pressure drop limit of 290 bar (4200 psi).
- Can pass up to 12.7 mm (1/2 in) diameter particulate.
- The protected seat design separates the shutoff function from the throttling function to protect the seating surfaces from throttling wear.
- Hardened metal seats provide tight shutoff to minimize seat erosion.
- Cage-type trim allows removal and inspection of parts without taking the valve body out of the pipeline.
Specifications
| Item Number | NOTCHFLO |
| Brand | Fisher |
| Certifications | ATEX; CUTR; PED; CRN; NACE |
| Critical Service | Cavitation; Dirty Service |
| Flow Characteristics | Linear |
| Material | Carbon Steel; Stainless; Alloy |
| Operating Temperature | Standard Temperature |
| Pressure Class | ASME |
| Process Connection Type | Flanged; Butt Weld; Threaded; Socket Weld |
| Series | Fisher™ NotchFlo™ DST Control Valve |
| Shutoff Class | Class V (FCI 70-2) |
| Type | Control Valve |
| Valve Size Standard | NPS |
| Valve Size | NPS 1; NPS 1-1/2; NPS 2; NPS 3; NPS 4; NPS 6; NPS 8 |
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