Description

Fisher HVP Polymer Flow Control
The Fisher HVP (High Viscous Polymer) series control valve is widely used in the polymer industry, where valves must operate at high temperatures to keep polymer flowing freely. It can provide integral valve body passages (jacketing) to circulate heat transfer fluid, helping maintain stable flow and reduce polymer solidification risk.
Key Features
•Integral valve body jacketing improves heat transfer and helps stabilize high-viscosity polymer flow.
•Smooth internal passages (0.1–0.4 μm / 4–16 μin RMS) support easier flow and reduced hang-up.
•Flow passage designed to help prevent stagnation and polymer degradation.
•Optional bellows seal available.
•All HVP series valves can be vacuum rated.
Specifications
| specifications | details |
|---|---|
| Certifications | PED, CRN |
| Critical Service | Highly Viscous Fluids |
| Flow Characteristics | Special Characterizations |
| Material | 304 and 316SST |
| Operating Temperature | High Temperature |
| Pressure Class | ASME |
| Process Connection Type | Flanged, Butt Weld, RTJ, SWE |
| Shutoff Class | Class V (FCI 70-2) |
| Valve Size | NPS 1 through 10 |
| Valve Size Standard | NPS |
| Other Configurations | Contact your local Emerson business partner or sales office to learn about additional specifications or options for this product. |
Selection Guide
Choose HVP when your service requires heated valve construction to keep high-viscosity polymer flowing. Confirm size (NPS 1–10), end connection (Flanged/Butt Weld/RTJ/SWE), and any needs for vacuum rating or bellows seal.
Applications
•Polymer production and transfer lines
•High-viscosity fluids requiring temperature maintenance
•Processes where avoiding stagnation and material degradation is critical
Project Support
We can support valve selection, datasheet review, and connection/material checks to match your line and temperature requirements. Share your process conditions (media, temperature, pressure, size, connection type) for a fast recommendation.
FAQ
Q1: Why is jacketing important for polymer service?
A: It helps maintain high temperature so polymer stays flowable and reduces the risk of solidification in the valve.
Q2: Can HVP be used under vacuum conditions?
A: Yes—HVP series valves can be vacuum rated (confirm final configuration with your selected design).
Q3: Is a bellows seal available?
A: Yes, a bellows seal option is available.
Contact CTA
Send your line size, end connection, pressure class, operating temperature, and polymer type/viscosity—we’ll help you confirm the right HVP configuration and provide a quotation.

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