Description
Product Description
The Fisher A11 is a robust and versatile butterfly valve, suitable for both throttling and on/off applications. Available in wafer or flanged designs, it ensures tight shutoff and operates efficiently across various pressure and temperature ranges—including cryogenic conditions.
With proven durability and leak-proof performance, it is widely used in oil & gas, chemicals, power plants, and LNG applications, offering a cost-effective and dependable fluid control solution.
Specifications
| Specifications | Details |
|---|---|
| Certifications | PED, CRN, Fugitive Emission, NACE, ATEX, CUTR, Fire Safe |
| Critical Service | General Service |
| Flow Characteristics | Linear |
| Material | Carbon Steel, Stainless, Alloy |
| Operating Temperature | Standard Temperature, High Temperature, Cryogenic |
| Power Source | Electric, Hydraulic, Pneumatic, Electro-Hydraulic |
| Pressure Class | ASME |
| Process Connection Type | Flanged, Single Flanged, Double Flanged, Lugged, Wafer |
| Seat / Seal Type | Metal, Soft |
| Shutoff Class | Class IV (FCI 70-2), Class V (FCI 70-2), Class VI (FCI 70-2) |
| Standards | B16.34 |
| Stem | Live Loaded, Adjustable Packing |
| Valve Size | NPS 3, NPS 4, NPS 6, NPS 8, NPS 10, NPS 12, NPS 14, NPS 16, NPS 18, NPS 20, NPS 24, NPS 30, NPS 36, Custom inlet/outlet, Up to NPS 72 |
| 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. |
Features
- Shaft Options
Square, keyed, or splined connections available - Superior Sealing
Pressure-enhanced design ensures bubble-tight shutoff - Sour Service Ready
NACE-compliant materials for corrosive applications - Quick Installation
Self-centering design aligns automatically - Gasket Friendly
No interference with standard gaskets - Balanced Performance
Equal torque required in both directions - Easy Maintenance
Fully interchangeable parts reduce downtime
INSTRUBESTdelivers high-quality Fisher A11 Butterfly Valves- certified to standards for reliable performance. We offer:competitive pricing, fast global delivery, and professional after-sales support. With extensive industry experience, we provide cost-effective valve solutions for your projects.Key highlights:✔ Premium quality at competitive prices✔ Quick international shipping✔ Expert technical support✔ Trusted industry supplier

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