{"product_id":"pneumatic-ventilation-butterfly-valve","title":"Pneumatic Ventilation Butterfly Valve","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe Pneumatic Ventilation Butterfly Valve is a lightweight and reliable flow-control valve designed for the isolation and regulation of air, gas, flue gas, dust-laden gas, and other non-corrosive or mildly corrosive gaseous media. The valve is operated by a pneumatic actuator, providing fast and reliable automatic control for industrial ventilation and gas-handling systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eFeaturing a simple structure, compact design, low operating torque, and quick quarter-turn operation, the valve is well suited for applications requiring frequent opening and closing or remote automatic control. The pneumatic actuator can be equipped with various control accessories to meet different automation requirements.\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\u003ePneumatic actuation for fast and reliable automatic operation.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLightweight and compact butterfly valve design.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLow operating torque and low air consumption.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eQuick 90-degree quarter-turn operation.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSuitable for on-off and flow regulation applications.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eReliable sealing and stable operating performance.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSuitable for horizontal and vertical pipeline installation.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEasy installation, operation, and 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\u003ePressure rating, size, materials, and actuator configuration can be customized according to customer requirements.\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 Ventilation Butterfly Valve is widely used in:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eIndustrial ventilation systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHVAC systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDust removal systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFlue gas systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAir handling systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCement plants\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSteel mills\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePower plants\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMining and metallurgical industries\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eChemical processing plants\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIndustrial exhaust systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGas transportation and distribution 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 valve uses a circular butterfly disc mounted on a central or offset shaft. The pneumatic actuator rotates the disc through approximately 90 degrees to control the flow of the medium.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eWhen the disc is rotated to the fully open position, the flow passage is maximized, allowing air or gas to pass through with minimal resistance. When the disc rotates toward the closed position, the flow area is reduced, allowing the medium to be isolated or regulated.\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. A single-acting actuator uses compressed air in one direction and spring force in the opposite direction, allowing fail-open or fail-closed configurations.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eConstruction and Materials\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe valve body and disc can be manufactured from carbon steel, stainless steel, ductile iron, aluminum alloy, or other suitable materials depending on the operating conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe material selection can be customized according to the temperature, pressure, medium, corrosion conditions, and specific requirements of the application.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eOptional Configurations\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eWafer or flanged connection\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCarbon steel or stainless steel construction\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 operation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSolenoid valve\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLimit switch\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eValve position indicator\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAir filter regulator\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePneumatic positioner\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eManual override\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCustomized pressure rating\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCustomized materials\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCustomized dimensions and actuator specifications\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eProduct Advantages\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe Pneumatic Ventilation Butterfly Valve offers a practical and economical solution for automated air and gas flow control. Its compact construction, fast pneumatic operation, low operating torque, and easy maintenance make it suitable for a wide range of industrial ventilation and gas-handling applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eWith customizable materials, pressure ratings, actuator configurations, and connection standards, the valve can be designed to meet specific project and operating requirements.\u003c\/span\u003e\u003c\/p\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 Ventilation 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\u003eMedium:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Air, Gas, Flue Gas, Exhaust Gas, Dust-Laden Gas\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eBody Material:\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 \/ Flanged \/ Customized\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eControl:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e On-Off or Modulating\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eInstallation:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Horizontal or Vertical\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003ePressure Rating:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Customized According to Application\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eMaterial:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Customizable\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eApplication:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Ventilation, Air Handling, Gas Control, Exhaust and Industrial Process Systems\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eCustomized Service\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eCustom Pressure Ratings and Materials Available.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eValve size, pressure rating, body material, disc material, actuator type, connection standard, and control accessories can be customized according to customer requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eFor inquiries and technical specifications, please contact us via email.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"LEO VALVES","offers":[{"title":"Please Contact Us by Email","offer_id":43387349074014,"sku":null,"price":300.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0562\/7333\/8462\/files\/20260920101633.jpg?v=1789870630","url":"https:\/\/39e1b4-9a.myshopify.com\/products\/pneumatic-ventilation-butterfly-valve","provider":"LEO VALVES","version":"1.0","type":"link"}