{"product_id":"pneumatic-fully-fluorine-lined-butterfly-valve","title":"Pneumatic Fully Fluorine-Lined Butterfly Valve","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe Pneumatic Fully Fluorine-Lined Butterfly Valve is a high-performance quarter-turn valve designed for reliable flow isolation and control in highly corrosive and chemically aggressive media. The valve body and internal wetted components are fully lined with high-quality fluoropolymer materials, providing excellent resistance to corrosion, chemicals, acids, alkalis, solvents, and other aggressive process fluids.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe valve is equipped with a pneumatic actuator, enabling fast, reliable, and automated operation. The actuator converts compressed-air energy into rotary motion to open or close the butterfly valve, making it suitable for remote operation and automatic process control systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe fully fluorine-lined design provides complete isolation between the process medium and the metal valve body, significantly improving corrosion resistance and extending service life. The resilient fluoropolymer seat and lining also provide reliable sealing performance, helping to minimize leakage and protect the valve from chemical attack.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eFully fluorine-lined body and wetted surfaces for superior corrosion resistance.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eExcellent resistance to strong acids, alkalis, salts, solvents, and other corrosive media.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePneumatic actuator for fast and reliable automatic operation.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCompact and lightweight butterfly valve construction.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLow operating torque and efficient quarter-turn operation.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eReliable bubble-tight shut-off performance.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eExcellent sealing capability with reduced risk of process leakage.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSuitable for remote control and automated process systems.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eReplaceable or serviceable actuator and valve components for convenient maintenance.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAvailable with single-acting or double-acting pneumatic actuators.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOptional accessories include solenoid valves, limit switches, positioners, air filters\/regulators, and other control devices.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eApplications\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe Pneumatic Fully Fluorine-Lined Butterfly Valve is widely used in industries where corrosion resistance and reliable shut-off performance are required, including:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eChemical processing\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePetrochemical industry\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePharmaceutical manufacturing\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eChlor-alkali production\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWater and wastewater treatment\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSemiconductor and electronic industries\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePulp and paper processing\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMining and metallurgical industries\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAcid and alkali handling systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCorrosive gas and liquid pipelines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eChemical storage and transfer systems\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eOperating Principle\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe pneumatic actuator operates the butterfly disc through a 90-degree rotary motion. When the actuator rotates the disc to the fully open position, the flow passage is maximized and pressure loss is minimized. When the disc rotates to the fully closed position, the fluoropolymer-lined sealing system provides reliable shut-off of the process medium.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eA double-acting pneumatic actuator uses compressed air for both opening and closing operations. A single-acting actuator uses compressed air in one direction and a spring-return mechanism in the opposite direction, allowing the valve to be configured for fail-open or fail-closed operation according to the process requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eMaterials and Construction\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe valve body can be manufactured from suitable metal materials such as ductile iron, carbon steel, stainless steel, or other alloys according to operating conditions. All wetted surfaces are protected by a high-quality fluoropolymer lining.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eDepending on the application, lining materials such as PTFE, PFA, FEP, or other fluoropolymer materials can be selected according to the temperature, pressure, and chemical characteristics of the medium.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe butterfly disc, stem, seat, and other internal components are designed to provide reliable mechanical strength, corrosion resistance, and long-term sealing performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eAdvantages\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe fully fluorine-lined construction provides an effective barrier against corrosive media while maintaining the mechanical strength of the valve body. Combined with pneumatic actuation, the valve offers rapid response, convenient automation, and dependable operation in demanding industrial environments.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eIts compact design, low weight, low operating torque, excellent corrosion resistance, and reliable sealing performance make it an ideal choice for automated isolation and flow-control applications involving highly corrosive fluids.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eOptional Configurations\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe valve can be customized according to project requirements, including:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eWafer, lug, or flanged connection\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePTFE, PFA, FEP, or other fluoropolymer lining\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eStainless steel, carbon steel, ductile iron, or special-alloy body\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSingle-acting or double-acting pneumatic actuator\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFail-open or fail-closed configuration\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSolenoid valve\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eValve position indicator\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLimit switch box\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eElectro-pneumatic positioner\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAir filter regulator\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eManual override\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCustomized pressure, temperature, size, and lining specifications\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eTypical Specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eValve Type:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Pneumatic Fully Fluorine-Lined Butterfly Valve\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eActuation:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Pneumatic\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eOperation:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Quarter-Turn\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eActuator:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Single-Acting or Double-Acting\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eLining:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e PTFE \/ PFA \/ FEP \/ Fluoropolymer\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eBody Materials:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Carbon Steel \/ Stainless Steel \/ Ductile Iron \/ Customized\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eConnection:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Wafer \/ Lug \/ Flanged\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eMedium:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Corrosive Liquids, Gases, Acids, Alkalis, Solvents, and Chemical Media\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eControl:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e On-Off or Modulating Control\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eInstallation:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Horizontal or Vertical Pipeline Installation\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eApplications:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Chemical, Petrochemical, Pharmaceutical, Water Treatment, and Other Corrosive-Service Systems\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eProduct Summary\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe Pneumatic Fully Fluorine-Lined Butterfly Valve combines advanced fluoropolymer lining technology with reliable pneumatic actuation to provide excellent corrosion resistance, dependable sealing, and efficient automated flow isolation. It is particularly suitable for demanding industrial applications involving aggressive and corrosive process media where conventional metal valves may be subject to rapid corrosion or premature failure.\u003c\/span\u003e\u003c\/p\u003e","brand":"LEO VALVES","offers":[{"title":"DN50","offer_id":43371666210910,"sku":null,"price":150.0,"currency_code":"USD","in_stock":true},{"title":"DN65","offer_id":43371666243678,"sku":null,"price":180.0,"currency_code":"USD","in_stock":true},{"title":"DN80","offer_id":43371666276446,"sku":null,"price":210.0,"currency_code":"USD","in_stock":true},{"title":"DN100","offer_id":43371666309214,"sku":null,"price":265.0,"currency_code":"USD","in_stock":true},{"title":"DN125","offer_id":43371666341982,"sku":null,"price":350.0,"currency_code":"USD","in_stock":true},{"title":"DN150","offer_id":43371666374750,"sku":null,"price":435.0,"currency_code":"USD","in_stock":true},{"title":"DN200","offer_id":43371666407518,"sku":null,"price":568.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0562\/7333\/8462\/files\/20260919100653.jpg?v=1789785434","url":"https:\/\/39e1b4-9a.myshopify.com\/products\/pneumatic-fully-fluorine-lined-butterfly-valve","provider":"LEO VALVES","version":"1.0","type":"link"}