{"product_id":"1pcs-new-for-posu-flow-control-valve-regulating-valve-gr-1-8","title":"POSU GR-1\/8 Flow Control Regulating Valve - High-Quality PLC Industry Product","description":"\u003cdiv class=\"koeed-container\" style=\"width:100%;color:#333;line-height:1.7;\"\u003e\n\n  \u003cstyle\u003e\n    .koeed-container h2,\n    .koeed-container h3{\n      color:#16c8c8;\n      margin-top:32px;\n    }\n\n    .koeed-container table{\n      width:100%;\n      border-collapse:collapse;\n    }\n\n    .koeed-container th,\n    .koeed-container td{\n      border:1px solid #eeeeee;\n      padding:10px;\n      text-align:left;\n      vertical-align:top;\n    }\n\n    .koeed-container tr:nth-child(odd){\n      background:#f4fcfc;\n    }\n\n    .koeed-container tr:nth-child(even){\n      background:#fafafa;\n    }\n\n    .koeed-highlight{\n      color:#16c8c8;\n      font-weight:bold;\n    }\n  \u003c\/style\u003e\n\n  \u003ch2\u003eEngineer's Quick Brief\u003c\/h2\u003e\n\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePOSU GR-1\/8\u003c\/strong\u003e is a compact pneumatic \u003cstrong\u003eflow control regulating valve\u003c\/strong\u003e designed for precise cylinder speed adjustment in industrial automation systems.\u003c\/li\u003e\n\n    \u003cli\u003eThe valve integrates a \u003cstrong\u003eneedle throttling mechanism\u003c\/strong\u003e with push-to-connect pneumatic fittings, simplifying installation inside PLC-controlled pneumatic circuits.\u003c\/li\u003e\n\n    \u003cli\u003eTypical applications include \u003cstrong\u003eair cylinder speed regulation\u003c\/strong\u003e, robotic motion damping, packaging equipment, and compact pneumatic manifolds.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003eSEO Introduction\u003c\/h2\u003e\n\n  \u003cp\u003e\n    The \u003cstrong\u003ePOSU GR-1\/8 Flow Control Regulating Valve\u003c\/strong\u003e is a pneumatic speed controller used in compressed air systems requiring stable actuator motion and precise airflow adjustment. \n    Designed for industrial automation environments, the GR-1\/8 valve combines compact construction with reliable needle-type throttling performance for PLC-integrated pneumatic control systems.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    This pneumatic regulating valve is commonly installed on air cylinders, pneumatic actuators, pick-and-place systems, robotic handling equipment, and packaging machinery where accurate cylinder speed tuning is critical for process stability and mechanical protection.\n  \u003c\/p\u003e\n\n  \u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\n  \u003cdiv style=\"overflow-x:auto;\"\u003e\n    \u003ctable\u003e\n\n      \u003ctr\u003e\n        \u003cth\u003eParameter\u003c\/th\u003e\n        \u003cth\u003eSpecification\u003c\/th\u003e\n      \u003c\/tr\u003e\n\n      \u003ctr\u003e\n        \u003ctd\u003eModel\u003c\/td\u003e\n        \u003ctd\u003ePOSU GR-1\/8\u003c\/td\u003e\n      \u003c\/tr\u003e\n\n      \u003ctr\u003e\n        \u003ctd\u003eProduct Type\u003c\/td\u003e\n        \u003ctd\u003ePneumatic Flow Control Regulating Valve\u003c\/td\u003e\n      \u003c\/tr\u003e\n\n      \u003ctr\u003e\n        \u003ctd\u003eControl Method\u003c\/td\u003e\n        \u003ctd\u003eNeedle Throttle Adjustment\u003c\/td\u003e\n      \u003c\/tr\u003e\n\n      \u003ctr\u003e\n        \u003ctd\u003ePort Size\u003c\/td\u003e\n        \u003ctd\u003eG1\/8 Thread\u003c\/td\u003e\n      \u003c\/tr\u003e\n\n      \u003ctr\u003e\n        \u003ctd\u003eApplicable Medium\u003c\/td\u003e\n        \u003ctd\u003eCompressed Air\u003c\/td\u003e\n      \u003c\/tr\u003e\n\n      \u003ctr\u003e\n        \u003ctd\u003eMounting Type\u003c\/td\u003e\n        \u003ctd\u003eInline Pneumatic Installation\u003c\/td\u003e\n      \u003c\/tr\u003e\n\n      \u003ctr\u003e\n        \u003ctd\u003ePressure Range\u003c\/td\u003e\n        \u003ctd\u003e0.05 – 1.0 MPa\u003c\/td\u003e\n      \u003c\/tr\u003e\n\n      \u003ctr\u003e\n        \u003ctd\u003eProof Pressure\u003c\/td\u003e\n        \u003ctd\u003e1.5 MPa\u003c\/td\u003e\n      \u003c\/tr\u003e\n\n      \u003ctr\u003e\n        \u003ctd\u003eOperating Temperature\u003c\/td\u003e\n        \u003ctd\u003e0°C to 60°C\u003c\/td\u003e\n      \u003c\/tr\u003e\n\n      \u003ctr\u003e\n        \u003ctd\u003eFlow Direction\u003c\/td\u003e\n        \u003ctd\u003eMeter-In \/ Meter-Out Configuration\u003c\/td\u003e\n      \u003c\/tr\u003e\n\n      \u003ctr\u003e\n        \u003ctd\u003eAdjustment Type\u003c\/td\u003e\n        \u003ctd\u003eManual Screw Adjustment\u003c\/td\u003e\n      \u003c\/tr\u003e\n\n      \u003ctr\u003e\n        \u003ctd\u003eBody Material\u003c\/td\u003e\n        \u003ctd\u003eNickel-Plated Brass\u003c\/td\u003e\n      \u003c\/tr\u003e\n\n      \u003ctr\u003e\n        \u003ctd\u003eSeal Material\u003c\/td\u003e\n        \u003ctd\u003eNBR\u003c\/td\u003e\n      \u003c\/tr\u003e\n\n      \u003ctr\u003e\n        \u003ctd\u003eConnection Style\u003c\/td\u003e\n        \u003ctd\u003eThreaded Pneumatic Port\u003c\/td\u003e\n      \u003c\/tr\u003e\n\n      \u003ctr\u003e\n        \u003ctd\u003eLeakage\u003c\/td\u003e\n        \u003ctd\u003eMinimal Internal Leakage\u003c\/td\u003e\n      \u003c\/tr\u003e\n\n      \u003ctr\u003e\n        \u003ctd\u003eApplication Compatibility\u003c\/td\u003e\n        \u003ctd\u003ePneumatic Cylinders and Air Actuators\u003c\/td\u003e\n      \u003c\/tr\u003e\n\n      \u003ctr\u003e\n        \u003ctd\u003eLubrication Requirement\u003c\/td\u003e\n        \u003ctd\u003eCompatible with Lubricated or Non-Lubricated Air\u003c\/td\u003e\n      \u003c\/tr\u003e\n\n      \u003ctr\u003e\n        \u003ctd\u003eInstallation Orientation\u003c\/td\u003e\n        \u003ctd\u003eFlexible Orientation\u003c\/td\u003e\n      \u003c\/tr\u003e\n\n      \u003ctr\u003e\n        \u003ctd\u003eTypical Function\u003c\/td\u003e\n        \u003ctd\u003eCylinder Speed Regulation\u003c\/td\u003e\n      \u003c\/tr\u003e\n\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003ch2\u003eApplication Matrix\u003c\/h2\u003e\n\n  \u003cdiv style=\"overflow-x:auto;\"\u003e\n    \u003ctable\u003e\n\n      \u003ctr\u003e\n        \u003cth\u003eIndustry\u003c\/th\u003e\n        \u003cth\u003eApplication\u003c\/th\u003e\n        \u003cth\u003eEngineering Benefit\u003c\/th\u003e\n      \u003c\/tr\u003e\n\n      \u003ctr\u003e\n        \u003ctd\u003ePackaging Automation\u003c\/td\u003e\n        \u003ctd\u003ePneumatic Cylinder Deceleration\u003c\/td\u003e\n        \u003ctd\u003eReduces impact and improves positioning stability\u003c\/td\u003e\n      \u003c\/tr\u003e\n\n      \u003ctr\u003e\n        \u003ctd\u003ePLC-Controlled Machinery\u003c\/td\u003e\n        \u003ctd\u003eActuator Motion Regulation\u003c\/td\u003e\n        \u003ctd\u003eEnhances synchronized automation timing\u003c\/td\u003e\n      \u003c\/tr\u003e\n\n      \u003ctr\u003e\n        \u003ctd\u003eRobotics\u003c\/td\u003e\n        \u003ctd\u003eEnd-Effector Airflow Adjustment\u003c\/td\u003e\n        \u003ctd\u003eImproves motion smoothness and repeatability\u003c\/td\u003e\n      \u003c\/tr\u003e\n\n      \u003ctr\u003e\n        \u003ctd\u003eAssembly Equipment\u003c\/td\u003e\n        \u003ctd\u003eAir Cylinder Speed Tuning\u003c\/td\u003e\n        \u003ctd\u003ePrevents excessive mechanical shock\u003c\/td\u003e\n      \u003c\/tr\u003e\n\n      \u003ctr\u003e\n        \u003ctd\u003eIndustrial Conveyors\u003c\/td\u003e\n        \u003ctd\u003ePneumatic Gate Control\u003c\/td\u003e\n        \u003ctd\u003eStabilizes pneumatic actuation response\u003c\/td\u003e\n      \u003c\/tr\u003e\n\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\n  \u003ch3\u003eWhy does the pneumatic cylinder move too fast?\u003c\/h3\u003e\n\n  \u003cp\u003e\n    Excessive cylinder speed may result from insufficient throttling adjustment or incorrect installation direction. Verify whether the GR-1\/8 valve is configured for proper meter-in or meter-out control.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eWhat is the difference between meter-in and meter-out control?\u003c\/h3\u003e\n\n  \u003cp\u003e\n    Meter-in control restricts airflow entering the actuator, while meter-out control restricts exhaust airflow leaving the cylinder. Meter-out control is generally preferred for stable pneumatic motion.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eCan the GR-1\/8 valve be used with lubricated air?\u003c\/h3\u003e\n\n  \u003cp\u003e\n    Yes. The valve is compatible with both lubricated and non-lubricated compressed air systems.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eWhy is airflow adjustment unstable?\u003c\/h3\u003e\n\n  \u003cp\u003e\n    Unstable adjustment may occur due to pressure fluctuations, contaminated air supply, or excessive vibration affecting the adjustment screw.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eWhat thread standard is used on the valve?\u003c\/h3\u003e\n\n  \u003cp\u003e\n    The valve uses a \u003cstrong\u003eG1\/8 pneumatic thread connection\u003c\/strong\u003e.\n  \u003c\/p\u003e\n\n  \u003ch2\u003eCross-Reference Guide\u003c\/h2\u003e\n\n  \u003cdiv style=\"overflow-x:auto;\"\u003e\n    \u003ctable\u003e\n\n      \u003ctr\u003e\n        \u003cth\u003eRelated Model\u003c\/th\u003e\n        \u003cth\u003eDescription\u003c\/th\u003e\n        \u003cth\u003eMain Difference\u003c\/th\u003e\n      \u003c\/tr\u003e\n\n      \u003ctr\u003e\n        \u003ctd\u003eGR-1\/4\u003c\/td\u003e\n        \u003ctd\u003eLarger Port Flow Control Valve\u003c\/td\u003e\n        \u003ctd\u003eHigher airflow capacity\u003c\/td\u003e\n      \u003c\/tr\u003e\n\n      \u003ctr\u003e\n        \u003ctd\u003eAS1201F\u003c\/td\u003e\n        \u003ctd\u003eSMC Speed Controller Equivalent\u003c\/td\u003e\n        \u003ctd\u003eDifferent body structure and fitting design\u003c\/td\u003e\n      \u003c\/tr\u003e\n\n      \u003ctr\u003e\n        \u003ctd\u003eSC Series Flow Controllers\u003c\/td\u003e\n        \u003ctd\u003eCompact Pneumatic Regulators\u003c\/td\u003e\n        \u003ctd\u003eDifferent thread standards and dimensions\u003c\/td\u003e\n      \u003c\/tr\u003e\n\n      \u003ctr\u003e\n        \u003ctd\u003eGRL Series\u003c\/td\u003e\n        \u003ctd\u003eLockable Flow Control Valve\u003c\/td\u003e\n        \u003ctd\u003eEnhanced anti-tamper adjustment design\u003c\/td\u003e\n      \u003c\/tr\u003e\n\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\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 does the pneumatic cylinder move too fast?\",\n        \"acceptedAnswer\":{\n          \"@type\":\"Answer\",\n          \"text\":\"Excessive cylinder speed may result from insufficient throttling adjustment or incorrect installation direction.\"\n        }\n      },\n      {\n        \"@type\":\"Question\",\n        \"name\":\"What is the difference between meter-in and meter-out control?\",\n        \"acceptedAnswer\":{\n          \"@type\":\"Answer\",\n          \"text\":\"Meter-in restricts inlet airflow while meter-out restricts exhaust airflow from the pneumatic actuator.\"\n        }\n      },\n      {\n        \"@type\":\"Question\",\n        \"name\":\"Can the GR-1\/8 valve be used with lubricated air?\",\n        \"acceptedAnswer\":{\n          \"@type\":\"Answer\",\n          \"text\":\"Yes. The valve supports lubricated and non-lubricated compressed air systems.\"\n        }\n      },\n      {\n        \"@type\":\"Question\",\n        \"name\":\"Why is airflow adjustment unstable?\",\n        \"acceptedAnswer\":{\n          \"@type\":\"Answer\",\n          \"text\":\"Pressure fluctuation, contaminated air supply, or vibration may affect stable airflow adjustment.\"\n        }\n      },\n      {\n        \"@type\":\"Question\",\n        \"name\":\"What thread standard is used on the valve?\",\n        \"acceptedAnswer\":{\n          \"@type\":\"Answer\",\n          \"text\":\"The valve uses a G1\/8 pneumatic thread connection.\"\n        }\n      }\n    ]\n  }\n  \u003c\/script\u003e\n\n\u003c\/div\u003e","brand":"POSU","offers":[{"title":"Default Title","offer_id":43803248427193,"sku":"275582216960","price":241.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0268\/8476\/7929\/files\/1Pcs_POSU_GR_1_8_Flow_Control_Regulating_Valve___POSU__1.webp?v=1779638902","url":"https:\/\/koeed.com\/sr\/products\/1pcs-new-for-posu-flow-control-valve-regulating-valve-gr-1-8","provider":"KOEED","version":"1.0","type":"link"}