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Monel globe valves designed for Hydrofluoric (HF) Acid service are specialized, high-nickel alloy valves built for severe alkylation processes in refineries. They ensure superior corrosion resistance, featuring Monel 400/500 materials, specialized packing for low fugitive emissions (API 624), and often adhere to UOP or ConocoPhillips standards to prevent dangerous leaks.
Key Features and Design Standards
- Material: Constructed with Monel 400 or K-Monel 500 for excellent resistance to corrosion across all concentrations of HF acid.
- Service Application: Specifically used in HF alkylation units within petrochemical refineries.
- Design Standards: Conforms to API 600, API 602, or BS 1873 standards for high-temperature and high-pressure performance.
- Safety Features: Often includes welded-in seats, PTFE packing, and a fully encapsulated gasket design to prevent leakage.
- Stem Design: Frequently features a non-rotating stem to enhance packing life and reduce fugitive emissions.
Key Benefits
- Corrosion Resistance: Monel is highly resistant to hydrofluoric acid, making it ideal for the aggressive environment.
- Low Emissions: Designed to meet stringent EPA Method 21 and ISO 15848-1 standards for fugitive emissions.
- Reliability: Engineered to withstand the specific, high-risk conditions of petroleum refinery alkylation processes.
- Safety Assurance: Often incorporates specialized packing and sometimes visual indicators for acid detection.
Common Specifications
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Web results
Hydrofluoric Acid Alkylation Cast Carbon Steel and Monel ...
Velan
https://velan.com › Products
Velan
https://velan.com › Products
Unique non-rotating stem design is easily adaptable for actuation – with precision Acme threads and burnished finish. Valve suitable for horizontal installation ...Read more
Monel Globe Valves Manufacturer/Company
WSV Valves
https://www.wsv-valve.com › ... › Globe Valves
WSV Valves
https://www.wsv-valve.com › ... › Globe Valves
... valves have excellent corrosion resistance to hydrofluoric acid (HF), uranium fluoride (UF6, UF4), dilute sulfuric acid, hydrochloric acid, phosphoric acid, ...Read more
Valves Tough Enough to Handle Hydrofluoric Acid
Valve Magazine
https://www.valvemagazine.com › articles › valves-tough...
Valve Magazine
https://www.valvemagazine.com › articles › valves-tough...
Jun 16, 2020 — Monel 400 and 500 are still the most popular materials used in HF acid service. Instead of traditional B7 or B16 bolting, HF acid valves require ...Read more
PACIFIC® Hydrofluoric Alkylation Valves
CRANE ChemPharma & Energy
https://cranecpe.com › Home › Product Catalogue
CRANE ChemPharma & Energy
https://cranecpe.com › Home › Product Catalogue
Our valves are superior in “Total Cost of Ownership” and wall thickness to maintain the highest levels of safety in the HF process.Read more
HF Acid Monel Globe Valve
Dvsvalve
https://www.dvsvalve.com › hf-acid-monel-globe-valve...
Dvsvalve
https://www.dvsvalve.com › hf-acid-monel-globe-valve...
HF Acid Monel Globe Valve -we are HF Acid Monel Globe Valve suppliers from China,custom various industry valves from dvsvalve.com,huge in stock selection.
Valves for Hydrofluoric Acid (HF) - Valve World Americas
valve-world-americas.com
https://valve-world-americas.com › valves-for-hydroflu...
valve-world-americas.com
https://valve-world-americas.com › valves-for-hydroflu...
Apr 11, 2023 — Valves that will be exposed to higher concentrations of HF may require more specialized materials, such as Monel, while those that handle ...Read more
HF Valves Alkylation Service
Mustang Valve Supply, LLC
https://www.mustangvalve.com › ...
Mustang Valve Supply, LLC
https://www.mustangvalve.com › ...
PDF
We test hydrofluoric acid (HF) valves with a test medium of mineral oil/ kerosene to avoid the potential for water entrapment. Water entrapment when combined.Read more
8 pages
HF valves
Xanik
https://www.xanik.com › hf-valves
Xanik
https://www.xanik.com › hf-valves
Xanik offers you a state-of-the-art HF Acid Service valve, with longer life and lower maintenance costs.
HF Acid Valves
Wegman Valves
https://wegman.eu › uploads › downloads › Xanik
Wegman Valves
https://wegman.eu › uploads › downloads › Xanik
PDF
Each gate and globe valve shall be tested in the fully open (back-seated) position, with the ends closed, at a pressure of. 1.1 times the 100°F (38°C) rating.Read more
68 pages
Flowcen HF Acid Gate, Globe, and Check Valves
imimg.com
https://5.imimg.com › data5 › SELLER › Doc › fl...
imimg.com
https://5.imimg.com › data5 › SELLER › Doc › fl...
PDF
Flowcen HF Acid Gate, Globe, and Check Valves are available in Carbon Steel and Monel, ranging from 2" to 36" (50–900 mm) in size and designed for pressure ...Read more
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