{"product_id":"new-barksdale-0428-017-pressure-switch","title":"new BARKSDALE 0428-017 Pressure Switch","description":"\u003c!-- SEO Introduction --\u003e\n\u003csection class=\"koeed-container\"\u003e\n  \u003ch2 style=\"color: #0056b3;\"\u003eBarksdale 0428-017 Heavy-Duty Industrial Pressure Switch\u003c\/h2\u003e\n  \u003cp\u003e\n    The \u003cstrong\u003eBarksdale 0428-017\u003c\/strong\u003e is a high-performance, compact pressure switch designed for the \n    rigorous demands of hydraulic and industrial process control. Featuring a rugged piston design and \n    \u003cstrong\u003eSPDT (Single Pole Double Throw)\u003c\/strong\u003e electrical output, this switch provides superior \n    repeatability and high cycle life. Engineered for overpressure protection and system automation, \n    it is the preferred choice for power units, lubricating systems, and mobile hydraulics where \n    precision and durability are critical.\n  \u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eKeywords:\u003c\/strong\u003e Barksdale 0428-017, Industrial Pressure Switch, Hydraulic Control Switch, Piston Pressure Sensor, SPDT Pressure Control.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003chr style=\"border: 0; border-top: 1px solid #eeeeee; margin: 20px 0;\"\u003e\n\n\u003c!-- Technical Specifications --\u003e\n\u003csection class=\"koeed-specs\"\u003e\n  \u003ch3 style=\"color: #0056b3;\"\u003eTechnical Specifications\u003c\/h3\u003e\n  \u003cdiv style=\"overflow-x: auto;\"\u003e\n    \u003ctable style=\"width: 100%; border-collapse: collapse; text-align: left; font-size: 14px;\"\u003e\n      \u003cthead\u003e\n        \u003ctr style=\"background-color: #16c8c8; color: #ffffff;\"\u003e\n          \u003cth style=\"padding: 12px; border: 1px solid #eeeeee;\"\u003eParameter\u003c\/th\u003e\n          \u003cth style=\"padding: 12px; border: 1px solid #eeeeee;\"\u003eDetails\u003c\/th\u003e\n        \u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr style=\"background-color: #f4fcfc;\"\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee; font-weight: bold;\"\u003eSeries Model\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003e0428-017 (Compact Piston Type)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"background-color: #fafafa;\"\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee; font-weight: bold;\"\u003eSwitch Type\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003eSPDT (Single Pole Double Throw)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"background-color: #f4fcfc;\"\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee; font-weight: bold;\"\u003ePressure Port\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003eStandard Threaded Connection\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"background-color: #fafafa;\"\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee; font-weight: bold;\"\u003eElectrical Rating\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003eUp to 250V AC \/ 5A (Inductive)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"background-color: #f4fcfc;\"\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee; font-weight: bold;\"\u003eProtection Class\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003eIP65 \/ NEMA 4 Equivalent\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003c!-- Application \u0026 Reliability --\u003e\n\u003csection class=\"koeed-application\" style=\"margin-top: 25px;\"\u003e\n  \u003ch3 style=\"color: #0056b3;\"\u003eIndustrial Reliability \u0026amp; Field Application\u003c\/h3\u003e\n  \u003cp\u003e\n    Barksdale’s 0428 series is optimized for \u003cstrong\u003ehigh-cycle applications\u003c\/strong\u003e where standard diaphragm \n    switches might fail. The piston actuator provides high proof pressure and is exceptionally resistant to \n    vibration and hydraulic surges. This unit is commonly integrated into \u003cstrong\u003eAccumulator Charge Control\u003c\/strong\u003e, \n    \u003cstrong\u003eLube Oil Pressure Monitoring\u003c\/strong\u003e, and \u003cstrong\u003eSafety Interlocks\u003c\/strong\u003e for CNC machinery and \n    heavy-duty hydraulic power packs.\n  \u003c\/p\u003e\n\u003c\/section\u003e\n\n\u003c!-- Koeed B2B Tool: Pressure \u0026 Deadband Calculator --\u003e\n\u003csection id=\"koeed-tool-section\" style=\"margin: 30px 0; padding: 25px; border: 2px solid #16c8c8; border-radius: 8px; background-color: #fff;\"\u003e\n  \u003ch3 style=\"text-align: center; color: #16c8c8; margin-top: 0;\"\u003eKoeed Interactive: Trip Point \u0026amp; Deadband Calculator\u003c\/h3\u003e\n  \u003cp style=\"font-size: 13px; text-align: center; color: #666;\"\u003eConvert units and estimate the reset (reset point) based on your system requirements.\u003c\/p\u003e\n  \n  \u003cdiv style=\"display: flex; flex-direction: column; gap: 15px; max-width: 500px; margin: 0 auto;\"\u003e\n    \u003cdiv\u003e\n      \u003clabel for=\"koeed-input-val\" style=\"display: block; margin-bottom: 5px; font-weight: bold;\"\u003eDesired Trip Point:\u003c\/label\u003e\n      \u003cdiv style=\"display: flex; gap: 10px;\"\u003e\n        \u003cinput type=\"number\" id=\"koeed-input-val\" value=\"100\" style=\"flex: 1; padding: 12px; border: 1px solid #ccc; border-radius: 4px;\" aria-label=\"Input pressure value\"\u003e\n        \u003cselect id=\"koeed-unit\" style=\"padding: 12px; border: 1px solid #ccc; border-radius: 4px;\" aria-label=\"Select pressure unit\"\u003e\n          \u003coption value=\"psi\"\u003ePSI\u003c\/option\u003e\n          \u003coption value=\"bar\"\u003eBar\u003c\/option\u003e\n          \u003coption value=\"mpa\"\u003eMPa\u003c\/option\u003e\n        \u003c\/select\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n    \n    \u003cdiv\u003e\n      \u003clabel for=\"koeed-deadband-pct\" style=\"display: block; margin-bottom: 5px; font-weight: bold;\"\u003eNominal Deadband (% of Set Point):\u003c\/label\u003e\n      \u003cinput type=\"range\" id=\"koeed-deadband-pct\" min=\"5\" max=\"25\" value=\"10\" style=\"width: 100%; accent-color: #16c8c8;\" oninput=\"document.getElementById('koeed-pct-val').innerText = this.value + '%'\"\u003e\n      \u003cspan id=\"koeed-pct-val\" style=\"font-size: 12px; color: #666;\"\u003e10%\u003c\/span\u003e\n    \u003c\/div\u003e\n\n    \u003cbutton onclick=\"koeedAnalyzePressure()\" style=\"background-color: #16c8c8; color: white; border: none; padding: 14px; cursor: pointer; border-radius: 4px; font-weight: bold; font-size: 16px;\"\u003eCalculate Switch Profile\u003c\/button\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv id=\"koeed-calc-result\" style=\"margin-top: 20px; padding: 15px; background: #f9f9f9; border-left: 4px solid #16c8c8; display: none;\"\u003e\u003c\/div\u003e\n\n  \u003cnoscript\u003e\n    \u003cp\u003eSafety Note: For the Barksdale 0428-017, the Reset Point = Trip Point - Deadband. Ensure your system pressure drops below the reset point to allow the switch to clear the signal.\u003c\/p\u003e\n  \u003c\/noscript\u003e\n\u003c\/section\u003e\n\n\u003c!-- Troubleshooting FAQ --\u003e\n\u003csection class=\"koeed-faq\"\u003e\n  \u003ch3 style=\"color: #0056b3;\"\u003eField Troubleshooting FAQ\u003c\/h3\u003e\n  \u003cdiv style=\"margin-bottom: 15px;\"\u003e\n    \u003cp\u003e\u003cstrong\u003eQ1: The switch signal is \"flickering\" or rapidly toggling.\u003c\/strong\u003e\u003cbr\u003e\n    \u003cem\u003eA:\u003c\/em\u003e This is often caused by a \u003cstrong\u003enarrow deadband\u003c\/strong\u003e relative to system pressure fluctuations. Increase the trip point or add a hydraulic snubber to the port to dampen spikes before they reach the piston actuator.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"margin-bottom: 15px;\"\u003e\n    \u003cp\u003e\u003cstrong\u003eQ2: The switch is wired but the PLC is not receiving a signal.\u003c\/strong\u003e\u003cbr\u003e\n    \u003cem\u003eA:\u003c\/em\u003e Verify the \u003cstrong\u003eSPDT logic\u003c\/strong\u003e. For most safety circuits, use COM and NC (Normally Closed) so that a wire break triggers an alarm. Check continuity across the terminals while manually adjusting the setting screw to confirm trip logic.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"margin-bottom: 15px;\"\u003e\n    \u003cp\u003e\u003cstrong\u003eQ3: How often should the 0428-017 be recalibrated?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cem\u003eA:\u003c\/em\u003e In high-vibration or high-cycle environments, we recommend a \u003cstrong\u003ecalibration check every 12 months\u003c\/strong\u003e. Mechanical wear on the piston seal can slightly shift the set point over millions of cycles.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003c!-- JavaScript Logic --\u003e\n\u003cscript\u003e\nfunction koeedAnalyzePressure() {\n  const val = parseFloat(document.getElementById('koeed-input-val').value);\n  const unit = document.getElementById('koeed-unit').value;\n  const dbPct = parseFloat(document.getElementById('koeed-deadband-pct').value) \/ 100;\n  const resultDiv = document.getElementById('koeed-calc-result');\n  \n  \/\/ Unit conversion to Bar for reference\n  let barVal = 0;\n  if(unit === 'psi') barVal = val * 0.0689;\n  else if(unit === 'mpa') barVal = val * 10;\n  else barVal = val;\n\n  const resetPoint = val * (1 - dbPct);\n  \n  resultDiv.style.display = 'block';\n  resultDiv.innerHTML = `\n    \u003cdiv style=\"font-weight: bold; color: #0056b3; margin-bottom: 8px;\"\u003eEstimated Operational Profile:\u003c\/div\u003e\n    \u003cul style=\"margin: 0; padding-left: 20px; font-size: 14px; line-height: 1.6;\"\u003e\n      \u003cli\u003eTarget Trip Point: \u003cstrong\u003e${val} ${unit.toUpperCase()}\u003c\/strong\u003e (${barVal.toFixed(2)} Bar)\u003c\/li\u003e\n      \u003cli\u003eApprox. Reset Point: \u003cstrong\u003e${resetPoint.toFixed(2)} ${unit.toUpperCase()}\u003c\/strong\u003e\u003c\/li\u003e\n      \u003cli\u003eDifferential (Deadband): \u003cstrong\u003e${(val - resetPoint).toFixed(2)} ${unit.toUpperCase()}\u003c\/strong\u003e\u003c\/li\u003e\n    \u003c\/ul\u003e\n    \u003cp style=\"font-size: 12px; color: #d9534f; margin-top: 10px;\"\u003e\u003cem\u003e*Notice: This is an estimation. Physical deadbands vary by range and model sub-type. Refer to the factory datasheet for exact tolerance.\u003c\/em\u003e\u003c\/p\u003e\n  `;\n}\n\u003c\/script\u003e\n\n\u003c!-- Structured Data --\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Why is my Barksdale pressure switch signal flickering?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Flickering is typically caused by system pressure ripples or a deadband that is too narrow. Installing a hydraulic snubber can help stabilize the piston actuator.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How to wire the Barksdale 0428-017 for safety?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"For fail-safe operation, use the COM and NC (Normally Closed) terminals so that any loss of signal or broken wire is treated as a trip event by the controller.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the recommended calibration interval for the 0428 series?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"We recommend verifying the set point every 12 months, especially in high-vibration industrial environments.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"WebApplication\",\n  \"name\": \"Koeed Trip Point \u0026 Deadband Calculator\",\n  \"operatingSystem\": \"All\",\n  \"applicationCategory\": \"IndustrialTool\",\n  \"description\": \"Estimates the reset points and provides unit conversion for Barksdale mechanical pressure switches.\"\n}\n\u003c\/script\u003e","brand":"BARKDALE","offers":[{"title":"Default Title","offer_id":44570872086713,"sku":"363516504596","price":517.37,"currency_code":"USD","in_stock":true}],"url":"https:\/\/koeed.com\/da\/products\/new-barksdale-0428-017-pressure-switch","provider":"KOEED","version":"1.0","type":"link"}