Hastelloy Lined PTFE Butterfly Valve DN80 Price – Engineered for Strong Acid and Strong Alkaline Conditions
The Hastelloy Lined PTFE Butterfly Valve DN80 represents the ultimate solution for these extreme conditions, combining the exceptional corrosion resistance of Hastelloy alloys with the chemical inertness of a PTFE lining to deliver unparalleled reliability in strong acid and strong alkaline services. This article provides a comprehensive 2026 price reference and outlines the critical selection parameters for this high-performance valve.The main Butterfly Valve product names of China Butterfly Valve Network include:Electric Serrate Regulate Butterfly Valve,Extended Hard-sealed Flange Butterfly Valve,Electric Desulfurization Wafer Butterfly Valve,Electric Desulfurization Flange Butterfly Valve,Fire Signal Butterfly Valve,Flange Soft-sealed Butterfly Valve,Flange Insulation Butterfly Valve,Flange Ceramic Hard-sealed Butterfly Valve,Flange Metal Sealed Swing Butterfly Valve.
As of 2026, the market price for a Hastelloy lined PTFE butterfly valve DN80 varies significantly based on the specific alloy grade, lining thickness, sealing design, and actuation method. Based on current market data, the following reference ranges apply:
For domestic brand manual models, prices typically range from approximately $500 to $850 USD per unit. This bracket covers standard configurations with a Hastelloy C276 or C22 body, PTFE lining, and manual lever operation. For imported or premium branded valves, prices increase substantially to the $1,150 to $2,150 USD per unit range.
The final transaction cost depends on several key factors including the specific Hastelloy grade, lining thickness (standard 2.5-3mm vs. thicker options), seal type (PTFE soft seal vs. all-metal hard seal), actuator configuration (manual, pneumatic, or electric), and brand certifications .
Key Factors Influencing the Price of DN80 Hastelloy Lined PTFE Butterfly Valves
Understanding what drives the cost of a Hastelloy lined PTFE butterfly valve is essential for making an informed procurement decision.
Valve Body Material – Hastelloy C276 vs. C22
The choice of Hastelloy grade is the most significant cost factor. Hastelloy C276 offers outstanding resistance to a wide spectrum of corrosive media, including both oxidizing and reducing acids, and is widely considered the "universal" corrosion-resistant alloy. Hastelloy C22 provides even broader resistance to oxidizing acids and wet chlorine but commands a premium due to its enhanced alloying elements. On a raw material basis, both grades are substantially more expensive than standard stainless steel alternatives .
Why Hastelloy with PTFE Lining is Essential for Strong Acid and Alkaline Conditions
The combination of a Hastelloy body and PTFE lining creates a valve that can withstand the most demanding corrosive services. The advantages for strong acid and strong alkaline conditions are compelling.
Superior corrosion resistance is the defining characteristic of this valve design. PTFE offers near-universal chemical resistance, making it suitable for handling aggressive substances such as hydrochloric acid, sulfuric acid, nitric acid, phosphoric acid, wet chlorine, and sodium hypochlorite . The PTFE lining completely isolates the metal body from the process fluid, preventing chemical attack.
Exceptional sealing integrity is ensured by the PTFE seat design. The resilient nature of PTFE provides bubble-tight shutoff, critical in hazardous chemical services where leaks pose safety and environmental risks.
Long-term reliability is achieved through the combination of Hastelloy's structural integrity and PTFE's chemical inertness. Unlike unlined metal valves, which suffer from pitting and crevice corrosion, the lined design ensures extended service life with minimal maintenance.
Versatility across a wide range of aggressive media makes this valve a preferred choice for chemical processing plants handling multiple corrosive substances .
Key Selection Parameters for DN80 Hastelloy Lined PTFE Butterfly Valves
When specifying a Hastelloy lined PTFE butterfly valve DN80 for strong acid or alkaline service, several technical parameters must be carefully defined.
Operating Conditions
Provide the supplier with detailed information about your process conditions:
Connection Standards
DN80 valves are typically available in wafer or lug configurations. Confirm that the valve's face-to-face dimension and flange drilling conform to your piping standard (e.g., EN, ANSI, or GB/T standards).
The Hastelloy Lined PTFE Butterfly Valve DN80 is the premier flow control solution for strong acid and strong alkaline conditions, offering unmatched chemical resistance, reliable bubble-tight shutoff, and long-term durability in the most aggressive chemical environments. As of 2026, prices range from approximately $500 to $850 USD for domestic brands and $1,150 to $2,150 USD for imported brands, with the final cost determined by the specific alloy grade, lining thickness, disc material, actuation type, and certifications.
When selecting this valve, pay careful attention to the operating temperature and pressure, chemical composition of the media, lining material (PTFE, TFM™, or PFA), disc material (Hastelloy, Titanium, or PFA encapsulated), and applicable industry standards. For the most accurate and competitive pricing, contact manufacturers directly with your complete technical specifications and request material certifications to guarantee product quality. Investing in a correctly specified Hastelloy lined PTFE butterfly valve is not merely a purchase—it is an investment in the safety, reliability, and operational integrity of your most demanding chemical processes.
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