{"product_id":"pro-source-4330221912pro-3-way-palm-button-air-valve","title":"Pro-source 4330221912PRO 3-way Palm Button Air Valve","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe PRO-SOURCE 4330221912PRO is a manually operated 3-way pneumatic air valve actuated by a palm button with spring return. It controls compressed air flow in pneumatic circuits through a direct mechanical action  -  no electrical signal required. The valve carries a Cv rating of 0.1, making it suited for low-flow control applications. NPT threading ensures compatibility with standard pipe fittings used in industrial and trade pneumatic systems. At 0.23 pounds, it is a compact, lightweight component typically installed by industrial maintenance technicians or pneumatic system integrators.\u003c\/p\u003e\u003cp\u003eThis valve is designed for use in pneumatic control circuits where a manual, momentary actuation is needed. The palm button actuator is a common choice for machine guarding, press control, and other applications where an operator physically initiates an air signal. The spring-return mechanism automatically resets the valve to its default position when the button is released, providing predictable two-position switching behavior. The green color coding aids in panel identification.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e3-way, 2-position manual mechanical valve design\u003c\/li\u003e\n\u003cli\u003ePalm button actuator with spring return for momentary operation\u003c\/li\u003e\n\u003cli\u003eCv rating of 0.1 for low-flow pneumatic circuit control\u003c\/li\u003e\n\u003cli\u003eNPT threaded ports for standard pipe connection\u003c\/li\u003e\n\u003cli\u003eGreen color for visual panel identification\u003c\/li\u003e\n\u003cli\u003eCompact footprint at 1.77 inches wide and 3.29 inches tall\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style replacement or direct-install component for standard NPT-ported pneumatic control circuits requiring a 3-way, 2-position palm button valve.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation should be performed by a qualified pneumatic systems technician or industrial maintenance professional. Depressurize the pneumatic circuit completely before removing or installing any valve. NPT fittings should be sealed with appropriate thread tape or sealant per system requirements. Verify port orientation and flow path against the circuit schematic before applying system pressure.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve Design\u003c\/strong\u003e: Manual Mechanical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eActuator Type\u003c\/strong\u003e: Palm Button, Spring Return\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign\u003c\/strong\u003e: 3-Way\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Positions\u003c\/strong\u003e: 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCv Rating\u003c\/strong\u003e: 0.1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Type\u003c\/strong\u003e: NPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Ports\u003c\/strong\u003e: 3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor\u003c\/strong\u003e: Green\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeight\u003c\/strong\u003e: 3.29 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth\u003c\/strong\u003e: 1.77 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength\u003c\/strong\u003e: 0.63 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.23 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 40141603\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: PRO-SOURCE\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 4330221912PRO\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PRO-SOURCE","offers":[{"title":"Default Title","offer_id":51741590323506,"sku":"4330221912PRO","price":71.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/42c46e73997c29bca749cf3e2384164f.jpg?v=1788832341","url":"https:\/\/voomisupply.com\/products\/pro-source-4330221912pro-3-way-palm-button-air-valve","provider":"Voomi Supply","version":"1.0","type":"link"}