{"id":11705,"date":"2026-09-29T07:13:15","date_gmt":"2026-09-29T07:13:15","guid":{"rendered":"https:\/\/www.fleyendavalve.com\/?page_id=11705"},"modified":"2026-09-29T08:19:26","modified_gmt":"2026-09-29T08:19:26","slug":"ptfe-pfa-lined-electric-actuated-ball-valve","status":"publish","type":"page","link":"https:\/\/www.fleyendavalve.com\/pt\/ptfe-pfa-lined-electric-actuated-ball-valve\/","title":{"rendered":"PTFE\/PFA-Lined Electric Actuated Ball Valve"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"11705\" class=\"elementor elementor-11705\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1d1b247 e-con-full e-flex wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-column-slider-no wpr-equal-height-no e-con e-parent\" data-id=\"1d1b247\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-15c3784 elementor-widget 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.fy-app+.fy-app,.fy-app:nth-child(3),.fy-app:nth-child(4){border-left:0;border-top:1px solid #fff}\r\n    .fy-step{grid-template-columns:52px 1fr;gap:13px}\r\n    .fy-step p{grid-column:2}\r\n    .fy-badges{grid-template-columns:1fr}\r\n    .fy-badge+.fy-badge{border-left:0;border-top:1px solid rgba(255,255,255,.22)}\r\n    .fy-inline-cta{align-items:flex-start;flex-direction:column}\r\n    .fy-end-row{grid-template-columns:1fr;gap:28px}\r\n  }\r\n\r\n  @media (prefers-reduced-motion:reduce){\r\n    .fy-product-page *{scroll-behavior:auto!important;transition:none!important}\r\n  }\r\n<\/style>\r\n\r\n<main class=\"fy-product-page\" aria-label=\"FLE-Q-F PTFE\/PFA-lined electric actuated ball valve product details\">\r\n\r\n  <section class=\"fy-hero\">\r\n    <div class=\"fy-shell fy-hero-grid\">\r\n      <div>\r\n        <div class=\"fy-model\">FLE-Q-F \u00b7 Corrosive Service Electric Ball Valve<\/div>\r\n        <h1>PTFE\/PFA-Lined Electric Actuated Ball Valve<\/h1>\r\n        <p class=\"fy-lead\">The FLE-Q-F PTFE\/PFA-lined electric actuated ball valve is engineered for automatic isolation and control of corrosive media. The lined flow path helps protect metallic wetted surfaces from strong acids, alkalis, chlorine-containing media, solvents and chemical wastewater, while the quarter-turn electric actuator supports on\/off, regulating and intelligent control.<\/p>\r\n\r\n        <div class=\"fy-feature-line\" aria-label=\"Core product features\">\r\n          <span>PTFE \/ PFA Lining<\/span>\r\n          <span>Flanged Connection<\/span>\r\n          <span>On\/Off or Modulating<\/span>\r\n          <span>Corrosive Media Service<\/span>\r\n        <\/div>\r\n\r\n        <div class=\"fy-hero-actions\">\r\n          <a class=\"fy-mail-btn\" href=\"mailto:inquiry@fleyendaflow.com?subject=FLE-Q-F%20PTFE%2FPFA-Lined%20Electric%20Actuated%20Ball%20Valve%20Inquiry\" aria-label=\"Email Fleyenda about FLE-Q-F\">\r\n            <svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><path fill=\"currentColor\" d=\"M20 4H4a2 2 0 0 0-2 2v12a2 2 0 0 0 2 2h16a2 2 0 0 0 2-2V6a2 2 0 0 0-2-2Zm0 4-8 5-8-5V6l8 5 8-5v2Z\"\/><\/svg>\r\n            Email Our Engineers\r\n          <\/a>\r\n          <div class=\"fy-email-text\">inquiry@fleyendaflow.com<\/div>\r\n        <\/div>\r\n\r\n        <dl class=\"fy-quick-specs\">\r\n          <div><dt>Size Range<\/dt><dd>DN15\u2013DN300<\/dd><\/div>\r\n          <div><dt>Pressure<\/dt><dd>PN10\u2013PN16<\/dd><\/div>\r\n          <div><dt>Temperature<\/dt><dd>\u221220\u00b0C to +180\u00b0C*<\/dd><\/div>\r\n          <div><dt>Power<\/dt><dd>DC24V \/ AC110\u2013380V<\/dd><\/div>\r\n        <\/dl>\r\n      <\/div>\r\n\r\n      <figure class=\"fy-product-visual\" aria-label=\"FLE-Q-F PTFE\/PFA-lined electric actuated ball valve\">\r\n        <img src=\"https:\/\/www.fleyendavalve.com\/wp-content\/uploads\/2026\/09\/ChatGPT-2026-09-29T160311.041.webp\" alt=\"FLE-Q-F PTFE\/PFA-lined electric actuated ball valve for corrosive chemical service\" fetchpriority=\"high\" decoding=\"async\">\r\n      <\/figure>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"fy-overview\" aria-label=\"Product overview\">\r\n    <div class=\"fy-shell fy-overview-row\">\r\n      <div class=\"fy-overview-intro\">\r\n        <strong>Corrosion-resistant automated flow control<\/strong>\r\n        <p>PTFE or PFA lining isolates aggressive process media from the metal valve body while electric actuation enables repeatable remote operation.<\/p>\r\n      <\/div>\r\n      <div class=\"fy-overview-metric\"><b>PTFE \/ PFA<\/b><span>Fluoropolymer lining options<\/span><\/div>\r\n      <div class=\"fy-overview-metric\"><b>0\u201390\u00b0<\/b><span>Quarter-turn electric actuation<\/span><\/div>\r\n      <div class=\"fy-overview-metric\"><b>IP67 \/ IP68*<\/b><span>Actuator protection options<\/span><\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"fy-section\">\r\n    <div class=\"fy-shell fy-split\">\r\n      <div class=\"fy-copy\">\r\n        <div class=\"fy-eyebrow\">Corrosion-resistant flow control<\/div>\r\n        <h2>Why use a PTFE\/PFA-lined electric ball valve?<\/h2>\r\n        <p class=\"fy-lead\">In aggressive chemical service, lining selection is driven by the actual medium, concentration, temperature and pressure. PTFE and PFA provide a fluoropolymer barrier between the process fluid and the metal valve body.<\/p>\r\n        <p>The FLE-Q-F combines a lined ball valve with electric quarter-turn actuation for remote isolation and selected modulating duties. It is suited to applications where chemical resistance, dependable shutoff and automation are required in the same valve assembly.<\/p>\r\n        <ul class=\"fy-line-list\">\r\n          <li><span class=\"fy-check\">\u2713<\/span><span>PTFE \/ PFA-lined wetted flow path for strong acids, alkalis and aggressive chemicals.<\/span><\/li>\r\n          <li><span class=\"fy-check\">\u2713<\/span><span>Electric actuator options for on\/off, regulating, feedback and intelligent control.<\/span><\/li>\r\n          <li><span class=\"fy-check\">\u2713<\/span><span>ANSI, DIN and JIS flanged connection options for industrial piping systems.<\/span><\/li>\r\n          <li><span class=\"fy-check\">\u2713<\/span><span>Carbon steel or stainless steel body configurations according to process duty.<\/span><\/li>\r\n        <\/ul>\r\n        <div class=\"fy-inline-cta\">\r\n          <div><strong>Need a lining recommendation?<\/strong><span>Send the medium, concentration, temperature and pressure.<\/span><\/div>\r\n          <a class=\"fy-mail-btn fy-mail-btn--outline\" href=\"mailto:inquiry@fleyendaflow.com?subject=PTFE%20or%20PFA%20Lining%20Selection\">Email Engineering<\/a>\r\n        <\/div>\r\n      <\/div>\r\n      <div class=\"fy-media\">\r\n        <img src=\"https:\/\/www.fleyendavalve.com\/wp-content\/uploads\/2026\/08\/RO-FilmTec-Element-vessel-OCWD-Pic-45-G00610-scaled-1.webp\" loading=\"lazy\" decoding=\"async\" alt=\"Industrial process piping using automated lined electric ball valves\">\r\n        <div class=\"fy-media-caption\"><b>Automated process piping<\/b><span>Remote isolation and control for corrosive process lines.<\/span><\/div>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"fy-section fy-section--soft\" id=\"technical-specifications\">\r\n    <div class=\"fy-shell\">\r\n      <div class=\"fy-heading-row\">\r\n        <div><div class=\"fy-eyebrow\">Engineering data<\/div><h2>Technical specifications<\/h2><\/div>\r\n        <p>Core FLE-Q-F parameters for project selection. Final limits depend on valve size, lining material, media concentration, operating temperature and actuator torque.<\/p>\r\n      <\/div>\r\n      <div class=\"fy-table-wrap\">\r\n        <table class=\"fy-table\">\r\n          <tbody>\r\n            <tr><th>Size range<\/th><td>DN15\u2013DN300 (\u00bd\u2033\u201312\u2033)<\/td><\/tr>\r\n            <tr><th>Working pressure<\/th><td>PN10\u2013PN16, up to 1.6 MPa \/ 150 PSI<\/td><\/tr>\r\n            <tr><th>Working temperature<\/th><td>\u221220\u00b0C to +180\u00b0C, subject to lining and process conditions<\/td><\/tr>\r\n            <tr><th>Body material<\/th><td>Carbon Steel \/ Stainless Steel \u2014 WCB, CF8, CF8M<\/td><\/tr>\r\n            <tr><th>Lining material<\/th><td>PTFE or PFA<\/td><\/tr>\r\n            <tr><th>Connection<\/th><td>Flanged \u2014 ANSI Class 150, DIN PN16, JIS 10K options<\/td><\/tr>\r\n            <tr><th>Applicable media<\/th><td>Strong acids, alkalis, chlorine-containing media, corrosive gases, organic solvents and chemical wastewater<\/td><\/tr>\r\n            <tr><th>Actuation<\/th><td>Electric quarter-turn actuator; on\/off, regulating or intelligent configurations<\/td><\/tr>\r\n            <tr><th>Voltage options<\/th><td>DC24V, AC24V, AC110V, AC220V, AC380V<\/td><\/tr>\r\n            <tr><th>Design references<\/th><td>GB\/T 12237, ISO 5211, ASME B16.34<\/td><\/tr>\r\n            <tr><th>Testing<\/th><td>GB\/T 13927, API 598<\/td><\/tr>\r\n            <tr><th>Fire-safe option<\/th><td>Selected API 607 \/ ISO 10497 compliant versions available<\/td><\/tr>\r\n            <tr><th>Protection<\/th><td>IP67 standard on selected actuators; IP68 optional<\/td><\/tr>\r\n            <tr><th>Explosion-proof option<\/th><td>Selected Ex d II BT4 \/ CT4 \/ CT6 Gb actuator configurations<\/td><\/tr>\r\n          <\/tbody>\r\n        <\/table>\r\n      <\/div>\r\n      <p class=\"fy-note\">*Confirm the final temperature, chemical compatibility and pressure rating for the actual media, concentration and operating cycle.<\/p>\r\n      <div class=\"fy-inline-cta\">\r\n        <div><strong>Send your operating conditions for valve sizing.<\/strong><span>Include size, pressure, temperature, medium, voltage and control mode.<\/span><\/div>\r\n        <a class=\"fy-mail-btn\" href=\"mailto:inquiry@fleyendaflow.com?subject=FLE-Q-F%20Technical%20Selection\">Send Specifications by Email<\/a>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"fy-section fy-section--blue fy-section--lined-bg\">\r\n    <div class=\"fy-shell\">\r\n      <div class=\"fy-heading-row\">\r\n        <div><div class=\"fy-eyebrow\">Lining selection<\/div><h2>PTFE vs PFA: choose by process conditions<\/h2><\/div>\r\n        <p>Both fluoropolymer linings provide broad chemical resistance. The correct choice depends on medium concentration, temperature, permeation risk, process cleanliness and operating cycle.<\/p>\r\n      <\/div>\r\n      <div class=\"fy-lining-compare\" role=\"table\" aria-label=\"PTFE versus PFA lining comparison\">\r\n        <div class=\"fy-lining-row\" role=\"row\"><div><\/div><div>PTFE lining<\/div><div>PFA lining<\/div><\/div>\r\n        <div class=\"fy-lining-row\" role=\"row\"><div><strong>Chemical resistance<\/strong><\/div><div><span>Broad resistance to many strong acids, alkalis and solvents.<\/span><\/div><div><span>Broad fluoropolymer resistance for demanding corrosive service.<\/span><\/div><\/div>\r\n        <div class=\"fy-lining-row\" role=\"row\"><div><strong>Typical duty<\/strong><\/div><div><span>General corrosive-fluid isolation where PTFE matches the process envelope.<\/span><\/div><div><span>Often considered where higher temperature or lower permeability is important.<\/span><\/div><\/div>\r\n        <div class=\"fy-lining-row\" role=\"row\"><div><strong>Selection basis<\/strong><\/div><div><span>Medium, concentration, temperature, pressure and cycling.<\/span><\/div><div><span>Medium, concentration, temperature, pressure and permeation requirement.<\/span><\/div><\/div>\r\n        <div class=\"fy-lining-row\" role=\"row\"><div><strong>Recommended focus<\/strong><\/div><div><span>Cost-effective lined automation for broad corrosive media service.<\/span><\/div><div><span>Often preferred when cleaner service, lower permeability or more demanding process duty is important.<\/span><\/div><\/div>\r\n      <\/div>\r\n      <div class=\"fy-inline-cta\">\r\n        <div><strong>Unsure whether PTFE or PFA is the better fit?<\/strong><span>Email the medium, concentration, temperature and pressure for a quick engineering review.<\/span><\/div>\r\n        <a class=\"fy-mail-btn fy-mail-btn--light\" href=\"mailto:inquiry@fleyendaflow.com?subject=PTFE%20vs%20PFA%20Lining%20Consultation\">Ask an Engineer<\/a>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"fy-section\">\r\n    <div class=\"fy-shell fy-split fy-split--reverse\">\r\n      <div class=\"fy-copy\">\r\n        <div class=\"fy-eyebrow\">Chemical compatibility<\/div>\r\n        <h2>Designed for corrosive media handling<\/h2>\r\n        <p class=\"fy-lead\">The FLE-Q-F is intended for process lines where an unlined metal flow path may be unsuitable because of aggressive chemical exposure.<\/p>\r\n        <p>Typical services include acid transfer, alkali handling, chlorine-related processes, pesticide and agrochemical production, wastewater neutralization, chemical dosing and solvent transfer. Compatibility should be checked against concentration, temperature, pressure and phase.<\/p>\r\n        <div class=\"fy-media-list\" aria-label=\"Typical corrosive media\">\r\n          <div class=\"fy-media-item\"><b>Sulfuric acid<\/b><span>Check duty<\/span><\/div>\r\n          <div class=\"fy-media-item\"><b>Hydrochloric acid<\/b><span>Check duty<\/span><\/div>\r\n          <div class=\"fy-media-item\"><b>Hydrofluoric acid<\/b><span>Check duty<\/span><\/div>\r\n          <div class=\"fy-media-item\"><b>Phosphoric acid<\/b><span>Check duty<\/span><\/div>\r\n          <div class=\"fy-media-item\"><b>Alkalis \/ alkaline salts<\/b><span>Check duty<\/span><\/div>\r\n          <div class=\"fy-media-item\"><b>Chlorine service<\/b><span>Check duty<\/span><\/div>\r\n          <div class=\"fy-media-item\"><b>Organic solvents<\/b><span>Check duty<\/span><\/div>\r\n          <div class=\"fy-media-item\"><b>Chemical wastewater<\/b><span>Check duty<\/span><\/div>\r\n        <\/div>\r\n      <\/div>\r\n      <div class=\"fy-media\">\r\n        <img src=\"https:\/\/www.fleyendavalve.com\/wp-content\/uploads\/2026\/08\/petrochem-ind.webp\" loading=\"lazy\" decoding=\"async\" alt=\"Chemical processing plant for PTFE PFA lined electric actuated ball valve applications\">\r\n        <div class=\"fy-media-caption\"><b>Chemical processing<\/b><span>Corrosive-media isolation, dosing, transfer and automated process control.<\/span><\/div>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"fy-section fy-section--soft\">\r\n    <div class=\"fy-shell\">\r\n      <div class=\"fy-actuator-top\">\r\n        <div class=\"fy-copy\">\r\n          <div class=\"fy-eyebrow\">Electric actuator options<\/div>\r\n          <h2>Actuator sizing based on valve duty and required control<\/h2>\r\n          <p class=\"fy-lead\">The electric actuator should be selected from the actual valve torque, differential pressure, media characteristics, cycle frequency and required safety margin.<\/p>\r\n        <\/div>\r\n        <div class=\"fy-control-columns\" aria-label=\"Electric actuator control options\">\r\n          <div><b>On \/ Off<\/b><span>Remote open-close isolation for PLC, relay and equipment control.<\/span><\/div>\r\n          <div><b>Modulating<\/b><span>Selected regulating and intelligent actuator configurations for position control.<\/span><\/div>\r\n          <div><b>Fail Position<\/b><span>Selected fail-open, fail-closed or no-reset configurations.<\/span><\/div>\r\n          <div><b>Feedback<\/b><span>Selected position feedback and passive contact switching options.<\/span><\/div>\r\n          <div><b>Protection<\/b><span>IP67, optional IP68 and selected explosion-proof configurations.<\/span><\/div>\r\n          <div><b>Manual Override<\/b><span>Handwheel operation available on selected actuator configurations.<\/span><\/div>\r\n        <\/div>\r\n      <\/div>\r\n\r\n      <div class=\"fy-table-wrap fy-actuator-table\">\r\n        <table class=\"fy-table\">\r\n          <thead>\r\n            <tr><th>Actuator<\/th><th>Standard time \/ torque<\/th><th>Optional time \/ torque<\/th><th>Weight<\/th><\/tr>\r\n          <\/thead>\r\n          <tbody>\r\n            <tr><td>FLE-105<\/td><td>25s \/ 50Nm<\/td><td>4s \/ 20Nm; 10s \/ 30Nm<\/td><td>2.2kg<\/td><\/tr>\r\n            <tr><td>FLE-110<\/td><td>25s \/ 100Nm<\/td><td>15s \/ 50Nm<\/td><td>5.1kg<\/td><\/tr>\r\n            <tr><td>FLE-116<\/td><td>25s \/ 160Nm<\/td><td>15s \/ 80Nm<\/td><td>5.1kg<\/td><\/tr>\r\n            <tr><td>FLE-120<\/td><td>25s \/ 200Nm<\/td><td>15s \/ 100Nm<\/td><td>7.5kg<\/td><\/tr>\r\n            <tr><td>FLE-140<\/td><td>25s \/ 400Nm<\/td><td>15s \/ 200Nm<\/td><td>7.5kg<\/td><\/tr>\r\n            <tr><td>FLE-160<\/td><td>25s \/ 600Nm<\/td><td>15s \/ 300Nm<\/td><td>8.1kg<\/td><\/tr>\r\n            <tr><td>FLE-1100<\/td><td>50s \/ 1000Nm<\/td><td>25s \/ 500Nm<\/td><td>12.7kg<\/td><\/tr>\r\n            <tr><td>FLE-1200<\/td><td>50s \/ 2000Nm<\/td><td>25s \/ 1000Nm<\/td><td>12.7kg<\/td><\/tr>\r\n          <\/tbody>\r\n        <\/table>\r\n      <\/div>\r\n      <p class=\"fy-note\">Typical power supplies: DC24V, AC24V, AC110V, AC220V and AC380V depending on actuator configuration. Rotation range: 0\u201390\u00b0 adjustable.<\/p>\r\n      <div class=\"fy-inline-cta\">\r\n        <div><strong>Need torque matching or control selection?<\/strong><span>Send valve size, differential pressure, voltage and control requirement.<\/span><\/div>\r\n        <a class=\"fy-mail-btn\" href=\"mailto:inquiry@fleyendaflow.com?subject=FLE-Q-F%20Actuator%20Sizing%20Inquiry\">Ask About Actuator Sizing<\/a>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"fy-section\">\r\n    <div class=\"fy-shell\">\r\n      <div class=\"fy-heading-row\">\r\n        <div><div class=\"fy-eyebrow\">Application environments<\/div><h2>Typical applications for PTFE\/PFA-lined electric ball valves<\/h2><\/div>\r\n        <p>These applications commonly require corrosion resistance together with automated shutoff or flow control. Final valve selection should always follow the real process conditions.<\/p>\r\n      <\/div>\r\n\r\n      <div class=\"fy-app-grid\">\r\n        <figure class=\"fy-app\">\r\n          <img src=\"https:\/\/images.unsplash.com\/photo-1641630462519-3ac2f9857def?auto=format&fit=crop&q=74&w=1000\" loading=\"lazy\" decoding=\"async\" alt=\"Industrial wastewater treatment application for PTFE PFA lined electric ball valves\">\r\n          <figcaption class=\"fy-app-copy\"><span>Neutralization \u00b7 Chemical Dosing<\/span><b>Wastewater Treatment<\/b><p>Automated isolation and dosing in corrosive industrial wastewater and treatment chemical lines.<\/p><\/figcaption>\r\n        <\/figure>\r\n        <figure class=\"fy-app\">\r\n          <img src=\"https:\/\/images.unsplash.com\/photo-1571322270931-4202f63500a3?auto=format&fit=crop&q=74&w=1000\" loading=\"lazy\" decoding=\"async\" alt=\"Pesticide and agrochemical manufacturing process equipment with corrosive chemical handling\">\r\n          <figcaption class=\"fy-app-copy\"><span>Formulation \u00b7 Transfer \u00b7 Dosing<\/span><b>Pesticide & Agrochemical Production<\/b><p>For aggressive raw materials, intermediates and process chemicals requiring lined flow paths.<\/p><\/figcaption>\r\n        <\/figure>\r\n        <figure class=\"fy-app\">\r\n          <img src=\"https:\/\/images.unsplash.com\/photo-1773517459133-be9768f6cac9?auto=format&fit=crop&q=74&w=1000\" loading=\"lazy\" decoding=\"async\" alt=\"Chemical processing plant piping for lined electric actuated ball valve service\">\r\n          <figcaption class=\"fy-app-copy\"><span>Acids \u00b7 Alkalis \u00b7 Solvents<\/span><b>Chemical Processing<\/b><p>Corrosive media transfer, reactor isolation, utility lines and automated process control.<\/p><\/figcaption>\r\n        <\/figure>\r\n        <figure class=\"fy-app\">\r\n          <img src=\"https:\/\/images.unsplash.com\/photo-1769695832195-dfe7e9f36980?auto=format&fit=crop&q=74&w=1000\" loading=\"lazy\" decoding=\"async\" alt=\"Pharmaceutical and fine chemical process piping for corrosion resistant lined valves\">\r\n          <figcaption class=\"fy-app-copy\"><span>Fine Chemicals \u00b7 Process Control<\/span><b>Pharmaceutical & Fine Chemicals<\/b><p>Suitable where chemical resistance, repeatable actuation and controlled process handling are required.<\/p><\/figcaption>\r\n        <\/figure>\r\n      <\/div>\r\n\r\n      <div class=\"fy-inline-cta\">\r\n        <div><strong>Have a different application?<\/strong><span>Send your process medium and operating conditions for compatibility review.<\/span><\/div>\r\n        <a class=\"fy-mail-btn fy-mail-btn--outline\" href=\"mailto:inquiry@fleyendaflow.com?subject=FLE-Q-F%20Application%20Review\">Discuss Your Application<\/a>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"fy-section fy-section--soft\">\r\n    <div class=\"fy-shell\">\r\n      <div class=\"fy-heading-row\">\r\n        <div><div class=\"fy-eyebrow\">Selection guide<\/div><h2>Specify the process first, then select the actuator<\/h2><\/div>\r\n        <p>A reliable lined electric ball valve selection starts from chemical compatibility and process conditions, then moves to valve size, flange standard, torque and control requirements.<\/p>\r\n      <\/div>\r\n      <div class=\"fy-steps\">\r\n        <div class=\"fy-step\"><div class=\"fy-step-num\">01<\/div><h3>Identify the medium<\/h3><p>Provide the chemical name, concentration, phase, solids content and any crystallization or polymerization risk.<\/p><\/div>\r\n        <div class=\"fy-step\"><div class=\"fy-step-num\">02<\/div><h3>Confirm temperature & pressure<\/h3><p>Use the actual operating and design conditions, including vacuum, differential pressure and thermal cycling where relevant.<\/p><\/div>\r\n        <div class=\"fy-step\"><div class=\"fy-step-num\">03<\/div><h3>Select PTFE or PFA<\/h3><p>Check chemical resistance, temperature capability, permeability and process cleanliness requirements.<\/p><\/div>\r\n        <div class=\"fy-step\"><div class=\"fy-step-num\">04<\/div><h3>Match size & flange<\/h3><p>Confirm DN \/ inch size and ANSI, DIN, JIS or project-specific flange requirements.<\/p><\/div>\r\n        <div class=\"fy-step\"><div class=\"fy-step-num\">05<\/div><h3>Size actuator torque<\/h3><p>Match valve torque under real service conditions and apply an appropriate engineering safety margin.<\/p><\/div>\r\n        <div class=\"fy-step\"><div class=\"fy-step-num\">06<\/div><h3>Define control & protection<\/h3><p>Specify power supply, on\/off or modulating control, feedback, fail position, IP rating and hazardous-area requirements.<\/p><\/div>\r\n      <\/div>\r\n      <div class=\"fy-inline-cta\">\r\n        <div><strong>Fastest way to get an accurate recommendation:<\/strong><span>Email the six items above with your project requirement.<\/span><\/div>\r\n        <a class=\"fy-mail-btn\" href=\"mailto:inquiry@fleyendaflow.com?subject=FLE-Q-F%20Valve%20Selection%20Request\">Email Selection Data<\/a>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"fy-section fy-section--blue\">\r\n    <div class=\"fy-shell fy-qa\">\r\n      <div class=\"fy-copy\">\r\n        <div class=\"fy-eyebrow\">Quality & integration<\/div>\r\n        <h2>Industrial valve and actuator configurations for automated systems<\/h2>\r\n        <p class=\"fy-lead\">Selected Fleyenda valve and actuator configurations reference API \/ GB valve testing, ISO actuator mounting interfaces and IP-rated electric actuator protection.<\/p>\r\n      <\/div>\r\n      <div class=\"fy-badges\" aria-label=\"Quality references\">\r\n        <div class=\"fy-badge\"><b>API 598<\/b><span>Valve inspection and testing reference<\/span><\/div>\r\n        <div class=\"fy-badge\"><b>ISO 5211<\/b><span>Quarter-turn actuator mounting interface<\/span><\/div>\r\n        <div class=\"fy-badge\"><b>IP67 \/ 68*<\/b><span>Electric actuator environmental protection options<\/span><\/div>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"fy-section\" id=\"faq\">\r\n    <div class=\"fy-shell\">\r\n      <div style=\"text-align:center;max-width:840px;margin:0 auto\">\r\n        <div class=\"fy-eyebrow\" style=\"justify-content:center\">Frequently asked questions<\/div>\r\n        <h2>PTFE\/PFA-lined electric ball valve FAQs<\/h2>\r\n        <p class=\"fy-lead\" style=\"margin:18px auto 0\">Answers to common questions about lining selection, corrosive media, electric actuator control and project specification.<\/p>\r\n      <\/div>\r\n      <div class=\"fy-faq\">\r\n        <details open>\r\n          <summary>What is a PTFE\/PFA-lined electric actuated ball valve?<\/summary>\r\n          <div class=\"fy-answer\">It is a quarter-turn ball valve with PTFE or PFA lining on the process-contact surfaces and an electric actuator for automated operation. The lining isolates corrosive media from the metal valve body, while the actuator provides remote open-close or selected modulating control.<\/div>\r\n        <\/details>\r\n        <details>\r\n          <summary>What is the difference between PTFE and PFA lining?<\/summary>\r\n          <div class=\"fy-answer\">Both are fluoropolymers with broad chemical resistance. PTFE is widely used for corrosive service, while PFA is often considered where higher temperature capability, lower permeability or demanding process conditions are important. Final selection depends on the exact medium, concentration, temperature and pressure.<\/div>\r\n        <\/details>\r\n        <details>\r\n          <summary>Can the valve be used for wastewater treatment and chemical dosing?<\/summary>\r\n          <div class=\"fy-answer\">Yes, lined electric ball valves are commonly evaluated for corrosive wastewater, neutralization and chemical dosing lines. The lining and actuator configuration should be selected according to the treatment chemicals, concentration, temperature, pressure and cycle frequency.<\/div>\r\n        <\/details>\r\n        <details>\r\n          <summary>Is the FLE-Q-F suitable for pesticide or agrochemical production?<\/summary>\r\n          <div class=\"fy-answer\">It can be evaluated for pesticide and agrochemical processes involving corrosive raw materials, intermediates, acids, alkalis or solvents. Confirm compatibility for the exact formulation and process conditions before final selection.<\/div>\r\n        <\/details>\r\n        <details>\r\n          <summary>Can this lined electric ball valve handle sulfuric or hydrochloric acid?<\/summary>\r\n          <div class=\"fy-answer\">PTFE\/PFA-lined valves are commonly evaluated for strong acid service, including sulfuric and hydrochloric acid applications. Suitability must be checked against concentration, temperature, pressure, phase and operating cycle.<\/div>\r\n        <\/details>\r\n        <details>\r\n          <summary>Which electric actuator control options are available?<\/summary>\r\n          <div class=\"fy-answer\">Depending on the selected actuator model, configurations can include on\/off control, regulating or intelligent control, position feedback, manual override, selected fail-open \/ fail-closed functions and multiple AC or DC power supplies.<\/div>\r\n        <\/details>\r\n        <details>\r\n          <summary>What information is needed to select the correct valve?<\/summary>\r\n          <div class=\"fy-answer\">Provide the process medium and concentration, operating and design temperature, pressure, valve size, flange standard, required body and lining material, actuator voltage, control signal, fail position and any IP or explosion-proof requirement.<\/div>\r\n        <\/details>\r\n      <\/div>\r\n      <div class=\"fy-inline-cta\">\r\n        <div><strong>Still have a technical question?<\/strong><span>Email inquiry@fleyendaflow.com and include your process conditions.<\/span><\/div>\r\n        <a class=\"fy-mail-btn\" href=\"mailto:inquiry@fleyendaflow.com?subject=FLE-Q-F%20Technical%20Question\">Email Fleyenda<\/a>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"fy-end\">\r\n    <div class=\"fy-shell fy-end-row\">\r\n      <div>\r\n        <h2>Send your process conditions for an FLE-Q-F valve recommendation.<\/h2>\r\n        <p>Medium, concentration, temperature, pressure, DN size, flange standard, power supply, control mode and fail-position requirement are the key selection inputs.<\/p>\r\n      <\/div>\r\n      <div class=\"fy-end-actions\">\r\n        <a class=\"fy-mail-btn fy-mail-btn--light\" href=\"mailto:inquiry@fleyendaflow.com?subject=FLE-Q-F%20PTFE%2FPFA-Lined%20Electric%20Ball%20Valve%20RFQ\">Email inquiry@fleyendaflow.com<\/a>\r\n        <div class=\"fy-end-email\">Technical inquiry & quotation: inquiry@fleyendaflow.com<\/div>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n<\/main>\r\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>FLE-Q-F \u00b7 Corrosive Service Electric Ball Valve PTFE\/PFA-Lined Electric Actuated Ball Valve The FLE-Q-F PTFE\/PFA-lined electric actuated ball valve is engineered for automatic isolation and control of corrosive media. The lined flow path helps protect metallic wetted surfaces from strong acids, alkalis, chlorine-containing media, solvents and chemical wastewater, while the quarter-turn electric actuator supports on\/off, regulating and intelligent control. PTFE \/ PFA Lining Flanged Connection On\/Off or Modulating Corrosive Media Service Email Our Engineers inquiry@fleyendaflow.com Size Range DN15\u2013DN300 Pressure PN10\u2013PN16 Temperature \u221220\u00b0C to +180\u00b0C* Power DC24V \/ AC110\u2013380V Corrosion-resistant automated flow control PTFE or PFA lining isolates aggressive process media from the metal valve body while electric actuation enables repeatable remote operation. PTFE \/ PFAFluoropolymer lining options 0\u201390\u00b0Quarter-turn electric actuation IP67 \/ IP68*Actuator protection options Corrosion-resistant flow control Why use a PTFE\/PFA-lined electric ball valve? In aggressive chemical service, lining selection is driven by the actual medium, concentration, temperature and pressure. PTFE and PFA provide a fluoropolymer barrier between the process fluid and the metal valve body. The FLE-Q-F combines a lined ball valve with electric quarter-turn actuation for remote isolation and selected modulating duties. It is suited to applications where chemical resistance, dependable shutoff and automation are required in the same valve assembly. \u2713PTFE \/ PFA-lined wetted flow path for strong acids, alkalis and aggressive chemicals. \u2713Electric actuator options for on\/off, regulating, feedback and intelligent control. \u2713ANSI, DIN and JIS flanged connection options for industrial piping systems. \u2713Carbon steel or stainless steel body configurations according to process duty. Need a lining recommendation?Send the medium, concentration, temperature and pressure. Email Engineering Automated process pipingRemote isolation and control for corrosive process lines. Engineering data Technical specifications Core FLE-Q-F parameters for project selection. Final limits depend on valve size, lining material, media concentration, operating temperature and actuator torque. Size range DN15\u2013DN300 (\u00bd\u2033\u201312\u2033) Working pressure PN10\u2013PN16, up to 1.6 MPa \/ 150 PSI Working temperature \u221220\u00b0C to +180\u00b0C, subject to lining and process conditions Body material Carbon Steel \/ Stainless Steel \u2014 WCB, CF8, CF8M Lining material PTFE or PFA Connection Flanged \u2014 ANSI Class 150, DIN PN16, JIS 10K options Applicable media Strong acids, alkalis, chlorine-containing media, corrosive gases, organic solvents and chemical wastewater Actuation Electric quarter-turn actuator; on\/off, regulating or intelligent configurations Voltage options DC24V, AC24V, AC110V, AC220V, AC380V Design references GB\/T 12237, ISO 5211, ASME B16.34 Testing GB\/T 13927, API 598 Fire-safe option Selected API 607 \/ ISO 10497 compliant versions available Protection IP67 standard on selected actuators; IP68 optional Explosion-proof option Selected Ex d II BT4 \/ CT4 \/ CT6 Gb actuator configurations *Confirm the final temperature, chemical compatibility and pressure rating for the actual media, concentration and operating cycle. Send your operating conditions for valve sizing.Include size, pressure, temperature, medium, voltage and control mode. Send Specifications by Email Lining selection PTFE vs PFA: choose by process conditions Both fluoropolymer linings provide broad chemical resistance. The correct choice depends on medium concentration, temperature, permeation risk, process cleanliness and operating cycle. PTFE liningPFA lining Chemical resistanceBroad resistance to many strong acids, alkalis and solvents.Broad fluoropolymer resistance for demanding corrosive service. Typical dutyGeneral corrosive-fluid isolation where PTFE matches the process envelope.Often considered where higher temperature or lower permeability is important. Selection basisMedium, concentration, temperature, pressure and cycling.Medium, concentration, temperature, pressure and permeation requirement. Recommended focusCost-effective lined automation for broad corrosive media service.Often preferred when cleaner service, lower permeability or more demanding process duty is important. Unsure whether PTFE or PFA is the better fit?Email the medium, concentration, temperature and pressure for a quick engineering review. Ask an Engineer Chemical compatibility Designed for corrosive media handling The FLE-Q-F is intended for process lines where an unlined metal flow path may be unsuitable because of aggressive chemical exposure. Typical services include acid transfer, alkali handling, chlorine-related processes, pesticide and agrochemical production, wastewater neutralization, chemical dosing and solvent transfer. Compatibility should be checked against concentration, temperature, pressure and phase. Sulfuric acidCheck duty Hydrochloric acidCheck duty Hydrofluoric acidCheck duty Phosphoric acidCheck duty Alkalis \/ alkaline saltsCheck duty Chlorine serviceCheck duty Organic solventsCheck duty Chemical wastewaterCheck duty Chemical processingCorrosive-media isolation, dosing, transfer and automated process control. Electric actuator options Actuator sizing based on valve duty and required control The electric actuator should be selected from the actual valve torque, differential pressure, media characteristics, cycle frequency and required safety margin. On \/ OffRemote open-close isolation for PLC, relay and equipment control. ModulatingSelected regulating and intelligent actuator configurations for position control. Fail PositionSelected fail-open, fail-closed or no-reset configurations. FeedbackSelected position feedback and passive contact switching options. ProtectionIP67, optional IP68 and selected explosion-proof configurations. Manual OverrideHandwheel operation available on selected actuator configurations. Actuator Standard time \/ torque Optional time \/ torque Weight FLE-105 25s \/ 50Nm 4s \/ 20Nm; 10s \/ 30Nm 2.2kg FLE-110 25s \/ 100Nm 15s \/ 50Nm 5.1kg FLE-116 25s \/ 160Nm 15s \/ 80Nm 5.1kg FLE-120 25s \/ 200Nm 15s \/ 100Nm 7.5kg FLE-140 25s \/ 400Nm 15s \/ 200Nm 7.5kg FLE-160 25s \/ 600Nm 15s \/ 300Nm 8.1kg FLE-1100 50s \/ 1000Nm 25s \/ 500Nm 12.7kg FLE-1200 50s \/ 2000Nm 25s \/ 1000Nm 12.7kg Typical power supplies: DC24V, AC24V, AC110V, AC220V and AC380V depending on actuator configuration. Rotation range: 0\u201390\u00b0 adjustable. Need torque matching or control selection?Send valve size, differential pressure, voltage and control requirement. Ask About Actuator Sizing Application environments Typical applications for PTFE\/PFA-lined electric ball valves These applications commonly require corrosion resistance together with automated shutoff or flow control. Final valve selection should always follow the real process conditions. Neutralization \u00b7 Chemical DosingWastewater Treatment Automated isolation and dosing in corrosive industrial wastewater and treatment chemical lines. Formulation \u00b7 Transfer \u00b7 DosingPesticide &#038; Agrochemical Production For aggressive raw materials, intermediates and process chemicals requiring lined flow paths. Acids \u00b7 Alkalis \u00b7 SolventsChemical Processing Corrosive media transfer, reactor isolation, utility lines and automated process control. Fine Chemicals \u00b7 Process ControlPharmaceutical &#038; Fine Chemicals Suitable where chemical resistance, repeatable actuation and controlled process handling are required. Have a different application?Send your process medium and operating conditions for compatibility review. Discuss Your Application Selection guide<\/p>","protected":false},"author":3,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-11705","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.fleyendavalve.com\/pt\/wp-json\/wp\/v2\/pages\/11705","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fleyendavalve.com\/pt\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.fleyendavalve.com\/pt\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.fleyendavalve.com\/pt\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fleyendavalve.com\/pt\/wp-json\/wp\/v2\/comments?post=11705"}],"version-history":[{"count":4,"href":"https:\/\/www.fleyendavalve.com\/pt\/wp-json\/wp\/v2\/pages\/11705\/revisions"}],"predecessor-version":[{"id":11711,"href":"https:\/\/www.fleyendavalve.com\/pt\/wp-json\/wp\/v2\/pages\/11705\/revisions\/11711"}],"wp:attachment":[{"href":"https:\/\/www.fleyendavalve.com\/pt\/wp-json\/wp\/v2\/media?parent=11705"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}