{"product_id":"qpm11-adjustable-air-pressure-switch-controller-g18-g14-no-nc","title":"QPM11 Adjustable Air Pressure Switch Controller G1\/8 G1\/4","description":"\u003ch2\u003eQPM11 Automatic Air Pressure Switch Controller – G1\/8 \u0026amp; G1\/4\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eQPM11 Adjustable Air Pressure Switch Controller\u003c\/strong\u003e is a precision-engineered automatic pressure control solution designed for pneumatic systems, compressors, water pumps, hydraulic circuits, and a wide range of industrial or workshop applications. With both NO (Normally Open) and NC (Normally Closed) configurations and dual port sizes — \u003cstrong\u003eG1\/8 and G1\/4\u003c\/strong\u003e — this compact switch delivers reliable, hands-free pressure management day after day.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUltra-Precise Pressure Regulation:\u003c\/strong\u003e High-sensitivity diaphragm mechanism enables accurate pressure monitoring across a \u003cstrong\u003e0.1–1.0 MPa range\u003c\/strong\u003e with less than 3% deviation — ensuring consistent equipment operation and preventing system faults caused by pressure fluctuation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNO \u0026amp; NC Dual Mode:\u003c\/strong\u003e Supports both Normally Open and Normally Closed circuit configurations, making it versatile for a broad range of pneumatic and hydraulic control systems.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLong-Lasting Corrosion-Resistant Build:\u003c\/strong\u003e Constructed from premium, abrasion-resistant materials engineered to withstand high-pressure impact and harsh industrial environments — rated for up to \u003cstrong\u003e1 million operating cycles\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy Adjustability:\u003c\/strong\u003e Simple, tool-friendly pressure adjustment lets you dial in your exact set-point without specialist equipment.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUniversal Compatibility:\u003c\/strong\u003e G1\/8 and G1\/4 threaded ports fit a wide variety of pumps, compressors, and pneumatic systems.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAvailable in 6 Color Options:\u003c\/strong\u003e Choose the variant that best suits your setup or application.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e QPM11\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePort Sizes:\u003c\/strong\u003e G1\/8 \u0026amp; G1\/4\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePressure Range:\u003c\/strong\u003e 0.1 – 1.0 MPa\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSwitch Type:\u003c\/strong\u003e NO \/ NC (Normally Open \/ Normally Closed)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-grade Plastic with corrosion-resistant internals\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService Life:\u003c\/strong\u003e Up to 1,000,000 operating cycles\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDeviation:\u003c\/strong\u003e \u0026lt;3%\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's in the Box?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1× QPM11 Adjustable Air Pressure Switch Controller\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePerfect For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eAir compressors and pneumatic systems\u003c\/li\u003e\n  \u003cli\u003eHydraulic circuits and water pump automation\u003c\/li\u003e\n  \u003cli\u003eIndustrial machinery and workshop equipment\u003c\/li\u003e\n  \u003cli\u003eDIY automation and fluid control projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor guidance on safe use of pneumatic and pressure control equipment in professional and industrial settings, refer to the OSHA Pneumatic Tools Safety Resource.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What does the QPM11 adjustable air pressure switch controller do?\u003c\/h4\u003e\n\u003cp\u003eA: The QPM11 is an automatic pressure switch that monitors and controls air or hydraulic pressure within a system. When pressure reaches your pre-set threshold, the switch opens or closes the circuit (NO or NC mode), automatically starting or stopping a pump, compressor, or other connected equipment — keeping pressure within your desired range without manual intervention.\u003c\/p\u003e\n\u003ch4\u003eQ: What pressure range does the QPM11 controller support?\u003c\/h4\u003e\n\u003cp\u003eA: The QPM11 supports an adjustable pressure range of \u003cstrong\u003e0.1 to 1.0 MPa\u003c\/strong\u003e with a deviation of less than 3%, providing precise and reliable pressure regulation for most pneumatic and hydraulic applications.\u003c\/p\u003e\n\u003ch4\u003eQ: What thread sizes are compatible with this pressure switch?\u003c\/h4\u003e\n\u003cp\u003eA: This controller features both \u003cstrong\u003eG1\/8 and G1\/4\u003c\/strong\u003e threaded port options, making it compatible with a wide variety of compressors, pumps, and pneumatic systems.\u003c\/p\u003e\n\u003ch4\u003eQ: How durable is the QPM11 pressure switch?\u003c\/h4\u003e\n\u003cp\u003eA: The QPM11 is built from corrosion-resistant, high-grade materials designed to withstand abrasion and high-pressure impacts. It is rated for up to \u003cstrong\u003e1 million operating cycles\u003c\/strong\u003e, making it a long-lasting choice even in demanding industrial environments.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What does the QPM11 adjustable air pressure switch controller do?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The QPM11 is an automatic pressure switch that monitors and controls air or hydraulic pressure within a system. 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