{"product_id":"4nn-k2-n4-b1a-sor-piston-pressure-control-750-psi-overrange","title":"4NN-K2-N4-B1A SOR Piston Pressure Control 750 PSI Overrange","description":"\u003ch3\u003e\u003cstrong\u003eEngineering Design \u0026amp; Performance Profile\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003eThe \u003cstrong\u003e\u003cspan style=\"color: #2980b9;\"\u003e4NN-K2-N4-B1A\u003c\/span\u003e\u003c\/strong\u003e is a heavy-duty industrial pressure switch from the \u003cstrong\u003eSOR\u003c\/strong\u003e \u003cstrong\u003e4NN\u003c\/strong\u003e series.\u003c\/li\u003e\n    \u003cli\u003eIt utilizes a force-balance piston actuator for high-cycle reliability in hydraulic and pneumatic systems.\u003c\/li\u003e\n    \u003cli\u003eThis model is specifically designed for low-pressure set points between 2 and 8 PSI.\u003c\/li\u003e\n    \u003cli\u003eThe \u003cstrong\u003e4NN-K2-N4-B1A\u003c\/strong\u003e can withstand massive overpressure surges up to 750 PSI without losing calibration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eTechnical Specification Matrix\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e SOR (Static \"O\" Ring)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e \u003cstrong\u003e\u003cspan style=\"color: #2980b9;\"\u003e4NN-K2-N4-B1A\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAdjustable Range:\u003c\/strong\u003e 2 to 8 PSI (increasing)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTypical Deadband:\u003c\/strong\u003e 0.2 PSI\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOverrange Pressure:\u003c\/strong\u003e 750 PSI\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eProof Pressure:\u003c\/strong\u003e 1000 PSI\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eActuator:\u003c\/strong\u003e Piston type\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Non-corrosive liquids and gases\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eGlobal PLC Spare HUB's Insight\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003eThe \u003cstrong\u003e\u003cspan style=\"color: #2980b9;\"\u003e4NN-K2-N4-B1A\u003c\/span\u003e\u003c\/strong\u003e is unique due to its high overrange protection relative to its low trip point.\u003c\/li\u003e\n    \u003cli\u003eEngineers prefer the \u003cstrong\u003eSOR\u003c\/strong\u003e piston design for its immunity to metal fatigue, which often plagues diaphragm-type switches.\u003c\/li\u003e\n    \u003cli\u003eThis unit is a \"fit-and-forget\" solution for critical lubrication and cooling loops.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eDiagnostic Capabilities \u0026amp; Application Scope\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCalibration Diagnostics:\u003c\/strong\u003e The stable 0.2 PSI deadband allows for precise verification of switching repeatability.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMechanical Integrity:\u003c\/strong\u003e A high proof pressure of 1000 PSI ensures the switch remains a safe containment barrier even during system failure.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSuitable Equipment:\u003c\/strong\u003e Lubrication systems, air compressors, and hydraulic power units (HPU).\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTypical Uses:\u003c\/strong\u003e Low-pressure alarms, pump protection, and sequence control.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eCommercial \u0026amp; Logistics Strategy\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDispatch:\u003c\/strong\u003e Global shipping within 24-48 hours.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eShipping Partners:\u003c\/strong\u003e Express delivery via \u003cstrong\u003eFedEx\u003c\/strong\u003e, \u003cstrong\u003eUPS\u003c\/strong\u003e, and \u003cstrong\u003eDHL\u003c\/strong\u003e.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e Includes a full 12-month quality guarantee.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAuthenticity:\u003c\/strong\u003e Guaranteed genuine \u003cstrong\u003eSOR\u003c\/strong\u003e hardware in factory condition.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eProfessional FAQ \u0026amp; Selection Guide\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003e\u003cstrong\u003eWhy choose a piston design for low-pressure ranges?\u003c\/strong\u003e\u003c\/li\u003e\n    \u003cli\u003eThe \u003cstrong\u003e4NN-K2-N4-B1A\u003c\/strong\u003e provides massive overpressure protection (750 PSI) that would destroy a standard diaphragm switch.\u003c\/li\u003e\n    \u003cli\u003e\u003cstrong\u003eHow is the set point adjusted?\u003c\/strong\u003e\u003c\/li\u003e\n    \u003cli\u003eAdjustment is handled via an internal nut; it is recommended to calibrate against a certified pressure source.\u003c\/li\u003e\n    \u003cli\u003e\u003cstrong\u003eIs this model suitable for vacuum?\u003c\/strong\u003e\u003c\/li\u003e\n    \u003cli\u003eNo, it is strictly designed for positive pressure monitoring within the 2-8 PSI window.\u003c\/li\u003e\n    \u003cli\u003e\u003cstrong\u003eWhat happens if the 750 PSI overrange is exceeded?\u003c\/strong\u003e\u003c\/li\u003e\n    \u003cli\u003eThe switch may lose its calibration accuracy; if the 1000 PSI proof pressure is reached, the housing may suffer permanent damage.\u003c\/li\u003e\n    \u003cli\u003e\u003cstrong\u003eDoes the deadband require frequent adjustment?\u003c\/strong\u003e\u003c\/li\u003e\n    \u003cli\u003eNo, the 0.2 PSI deadband is a mechanical characteristic of the spring\/piston assembly and remains consistent over the life of the unit.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SOR","offers":[{"title":"Default Title","offer_id":45078777266358,"sku":"4NN-K2-N4-B1A","price":421.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/4NN-K2-N4-B1A.jpg?v=1777013818","url":"https:\/\/www.plcsparehub.com\/products\/4nn-k2-n4-b1a-sor-piston-pressure-control-750-psi-overrange","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}