{"product_id":"yokogawa-k9400fu-pressure-transmitter-gasket","title":"Yokogawa K9400FU Pressure Transmitter Gasket","description":"\u003cp\u003eThe \u003cstrong\u003eYokogawa K9400FU\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eK9400FU\u003c\/strong\u003e Gasket, operates as a dedicated hardware component for high-integrity process fluid containment within pressure transmitter diaphragm seal systems.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eK9400FU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eYokogawa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eJapan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e2.00 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eProfile engineered for standard diaphragm seal flange diameters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003ePressure transmitter diaphragm seal isolation assemblies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProcess Media\u003c\/td\u003e\n\u003ctd\u003eCompatible with gases, liquids, and chemically aggressive fluids\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003eHigh-pressure industrial process containment limits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003eFormulated for broad thermal operating boundaries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control Integration and DCS Instrument Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiaphragm Seal Volumetric Integrity:\u003c\/strong\u003e The physical dimensions prevent process fluid migration past primary sealing lips, preserving the fill-fluid volume inside the capillary lines to ensure correct pressure transmission to the transmitter sensor core.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-20 mA HART Loop Pass-Through Protection:\u003c\/strong\u003e By eliminating process fluid leaking at the flange, the component prevents conductive media from shorting external terminal contacts, safeguarding the baseline 4-20 mA loop and digital communication signals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProcess Loop Isolation Framework:\u003c\/strong\u003e High mechanical sealing resistance guarantees physical separation between volatile external environments and internal instrumentation diaphragms, mitigating transient calibration drift caused by pressure loss.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can the K9400FU gasket be reused after the diaphragm seal system has been unbolted for maintenance calibration?\u003c\/p\u003e\n\u003cp\u003eA: No. Mechanical compression alters the structural cross-section of the sealing substrate to fill flange micro-voids. Re-torqueing a previously compressed component yields unpredictable tension profiles and increases the probability of process leaks under high pressure.\u003c\/p\u003e\n\u003cp\u003eQ: How does this component handle chemical exposure from aggressive process fluids?\u003c\/p\u003e\n\u003cp\u003eA: The technical substrate composition is engineered to resist chemical deterioration, swelling, and thermal degradation when exposed to high-velocity corrosive process media, preventing structural breakdown at elevated pressures.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlange Seating Cleaning:\u003c\/strong\u003e Prior to seating the component, verify that all sealing faces on both the process flange and the diaphragm block are completely clear of score marks, scale, and leftover residue from previous installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTorque Sequence Execution:\u003c\/strong\u003e Tighten the flange bolts in a cross-pattern, incremental sequence (30%, 60%, and 100% of final load target) to ensure uniform mechanical compression across the circumference of the sealing face and avoid asymmetric loading on the transmitter cell.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShield Grounding Isolation:\u003c\/strong\u003e Check that the installation of the sealing assembly does not bridge or short out the field instrument chassis ground line or the shielded instrumentation cabling paths.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":45245323968627,"sku":"K9400FU","price":233.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/screenshot_2026-07-16_14-55-31_1dbdd718-8720-4c5c-a5ab-2a1b0e23e152.png?v=1784192429","url":"https:\/\/www.dcssupplier.com\/ar\/products\/yokogawa-k9400fu-pressure-transmitter-gasket","provider":"DcsSupplier Limited","version":"1.0","type":"link"}