{"product_id":"mac-valves-inc-55b-11-pi-421baad-3-way-pneumatic-solenoid-valve","title":"MAC Valves Inc 55B-11-PI-421BAAD 3-Way Pneumatic Solenoid Valve","description":"\u003ch4 class=\"PDq2pG_selectionAnchorContainer\"\u003eDescription\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003eThe MAC Valves Inc. 55B-11-PI-421BAAD is a three-way pneumatic solenoid valve designed to control compressed-air flow in industrial automation systems. It features a 1\/4-inch NPTF port connection, an internally piloted configuration, and normally closed operation. Its solenoid-actuated design makes it suitable for controlling pneumatic actuators and other air-operated equipment.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003ctable style=\"width: 100.029%; height: 352.8px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 31.5703%;\"\u003e\u003cstrong\u003e\u003cspan\u003eCondition\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 68.2561%;\"\u003e\u003cspan\u003eNew\/Never Used Surplus\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 31.5703%;\"\u003e\u003cstrong\u003e\u003cspan\u003eBrand\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 68.2561%;\"\u003e\u003cspan\u003eMAC Valves Inc.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 31.5703%;\"\u003e\u003cstrong\u003e\u003cspan\u003eCategory\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 68.2561%;\"\u003e\u003cspan\u003ePneumatic Equipment\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 31.5703%;\"\u003e\u003cstrong\u003e\u003cspan\u003ePart Number\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 68.2561%;\"\u003e\u003cspan\u003e55B-11-PI-421BAAD\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 31.5703%;\"\u003e\u003cstrong\u003e\u003cspan\u003eSubcategory\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 68.2561%;\"\u003e\u003cspan\u003ePneumatic Solenoid Valves\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 31.5703%;\"\u003e\u003cstrong\u003e\u003cspan\u003eProduct Series\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 68.2561%;\"\u003e\u003cspan\u003e55\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 31.5703%;\"\u003e\u003cstrong\u003e\u003cspan\u003eProduct Type\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 68.2561%;\"\u003e\u003cspan\u003e3-Way Pneumatic Solenoid Valve\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 31.5703%;\"\u003e\u003cstrong\u003e\u003cspan\u003eValve Function\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 68.2561%;\"\u003e\u003cspan\u003eNormally Closed (NC)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 31.5703%;\"\u003e\u003cstrong\u003e\u003cspan\u003ePort Size\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 68.2561%;\"\u003e\u003cspan\u003e1\/4-inch NPTF\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 31.5703%;\"\u003e\u003cstrong\u003e\u003cspan\u003ePilot Configuration\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 68.2561%;\"\u003e\u003cspan\u003eInternal pilot air\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 31.5703%;\"\u003e\u003cstrong\u003e\u003cspan\u003eCoil Voltage\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 68.2561%;\"\u003e\u003cspan\u003e120 V AC, 60 Hz \/ 110 V AC, 50 Hz (supplier-listed)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 31.5703%;\"\u003e\u003cstrong\u003e\u003cspan\u003eOperating Pressure\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 68.2561%;\"\u003e\u003cspan\u003e30–150 PSI for internal-pilot configuration\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 31.5703%;\"\u003e\u003cstrong\u003e\u003cspan\u003eMaximum Flow Coefficient\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 68.2561%;\"\u003e\u003cspan\u003eSeries maximum 2.2 Cv; exact NC configuration may differ\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 31.5703%;\"\u003e\u003cstrong\u003e\u003cspan\u003eOperating Temperature\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 68.2561%;\"\u003e\u003cspan\u003e−18 to +50 °C (supplier-listed)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 31.5703%;\"\u003e\u003cstrong\u003e\u003cspan\u003eElectrical Connection\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 68.2561%;\"\u003e\u003cspan\u003eBAAD operator configuration; verify connector and lead details\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 31.5703%;\"\u003e\u003cstrong\u003e\u003cspan\u003eWeight\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 68.2561%;\"\u003e\u003cspan\u003e0.72 lb \u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003e\u003cbr\u003e\u003c\/h4\u003e\n\u003ch4\u003eInformation About\u003cmeta charset=\"utf-8\"\u003e 55B-11-PI-421BAAD\u003c\/h4\u003e\n\u003cp\u003eThe 55B-11-PI-421BAAD belongs to MAC Valves' Series 55 range of direct-solenoid and solenoid-pilot-operated valves. The 55B-11 configuration corresponds to a 1\/4-inch port size, while PI indicates an internal pilot-air arrangement. The valve uses a normally closed three-way configuration, allowing it to control air supply and exhaust in compatible pneumatic circuits. Supplier listings associate the PID-421BAAD operator with 120 V AC at 60 Hz or 110 V AC at 50 Hz; confirm the coil label before connecting electrical power.\u003c\/p\u003e\n\u003ch4 dir=\"auto\" data-start=\"456\" data-end=\"1011\" class=\"PDq2pG_selectionAnchorContainer\"\u003eKey Features:\u003cspan\u003e\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eThree-Way Valve:\u003c\/span\u003e Controls supply, outlet, and exhaust paths in pneumatic circuits.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eNormally Closed Operation:\u003c\/span\u003e Keeps the supply path closed in the de-energized state.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003e1\/4-Inch NPTF Ports:\u003c\/span\u003e Provides threaded connections for compatible pneumatic fittings.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eInternal Pilot Air:\u003c\/span\u003e Uses internally supplied pilot pressure to operate the main valve.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eAC Solenoid Operator:\u003c\/span\u003e Supplier-listed for 120 V AC, 60 Hz \/ 110 V AC, 50 Hz.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eSeries 55 Design:\u003c\/span\u003e Features MAC's balanced-spool valve design for consistent shifting.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eIndustrial Pneumatic Control:\u003c\/span\u003e Suitable for compatible cylinders, actuators, and automated machinery.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eReplacement Compatibility:\u003c\/span\u003e Exact coil, porting, and valve configuration should match the existing installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe 55B-11-PI-421BAAD delivers pneumatic flow-control functionality for compatible industrial automation and actuator-control systems.\u003c\/p\u003e\n\u003cp id=\"p-rc_c7b8f4fae39e183e-25\"\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"Mac Valves Inc","offers":[{"title":"Default Title","offer_id":53021158801706,"sku":"55B-11-PI-421BAAD","price":747.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/s-l960_7c7a664d-d2ed-4196-8e7c-0d9d81ed7264.webp?v=1792402409","url":"https:\/\/iqelectro.com\/products\/mac-valves-inc-55b-11-pi-421baad-3-way-pneumatic-solenoid-valve","provider":"IQElectro","version":"1.0","type":"link"}