{"product_id":"festo-gr-3-8-b-one-way-flow-control-valve-g3-8-1010l-min-10bar","title":"Festo GR-3\/8-B One-Way Flow Control Valve G3\/8 1010L\/min 10bar","description":"\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eOverview\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThe Festo GR-3\/8-B (part number 6308) is a high-performance one-way flow control valve from the GR series, designed for precise pneumatic flow regulation in industrial automation systems. This valve reliably combines an adjustable throttling function with a robust non-return (check) mechanism, enabling unidirectional flow control for applications such as exhaust air throttling of double-acting cylinders or inlet flow control of single-acting cylinders\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eThe valve features two G3\/8 female threaded ports for inline installation\u003c\/span\u003e\u003ca href=\"https:\/\/store.shaltzautomation.com\/products\/GR-3%2F8-B\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e, with a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eknurled screw\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e for simple, tool‑based adjustment of the flow rate. It delivers a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003estandard nominal flow rate of 1,010 l\/min\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e in the flow control direction, and \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e1,150 l\/min\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e in the non-return (free‑flow) direction\u003c\/span\u003e\u003ca href=\"https:\/\/esd.equipment\/en\/GR-3-8-B.html?___store=en\u0026amp;___from_store=fr\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e. With an \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eoperating pressure range of 0.1 to 10 bar\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e and a wide \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003etemperature range of -20 °C to +75 °C\u003c\/span\u003e\u003c\/strong\u003e\u003ca href=\"https:\/\/www.tme.eu\/cn\/zh\/details\/gr-3_8-b\/fa-men-he-hui-liu-ban\/festo\/6308\/\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e, this valve is suitable for both compressed air and vacuum systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eThe valve is constructed with a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003edie‑cast zinc housing\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eNBR seals\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, offering excellent corrosion resistance and durability for demanding industrial environments\u003c\/span\u003e\u003ca href=\"https:\/\/store.shaltzautomation.com\/products\/GR-3%2F8-B\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e. It is \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eATEX certified\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e for use in potentially explosive atmospheres (Zones 1, 2, 21, 22)\u003c\/span\u003e\u003cspan\u003e, \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eRoHS compliant\u003c\/span\u003e\u003c\/strong\u003e\u003ca href=\"https:\/\/store.shaltzautomation.com\/products\/GR-3%2F8-B\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e, and carries global safety certifications. The valve supports optional front panel mounting with through-holes for flexible installation, and its any-position mounting capability simplifies system integration\u003c\/span\u003e\u003ca href=\"https:\/\/esd.equipment\/en\/GR-3-8-B.html?___store=en\u0026amp;___from_store=fr\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eThe GR-3\/8-B is ideal for a wide range of applications, including automated production lines, material handling systems, packaging machinery, and general industrial pneumatics\u003c\/span\u003e\u003ca href=\"https:\/\/axmatic.com\/product\/gr-3-8-b-one-way-flow-control-valve-festo-flow-control-valves\/\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eOne-Way Flow Control Function\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Combines precise, adjustable throttling with a reliable non-return check valve mechanism, enabling unidirectional pneumatic speed control\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eG3\/8 Female Threaded Ports\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Standard port size for easy inline integration into existing pneumatic systems\u003c\/span\u003e\u003ca href=\"https:\/\/store.shaltzautomation.com\/products\/GR-3%2F8-B\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eKnurled Screw Adjustment\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Intuitive, tool‑based flow rate adjustment for precise actuator speed regulation.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eHigh Flow Capacity\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Delivers 1,010 l\/min standard nominal flow in the control direction and 1,150 l\/min in the non-return direction for efficient cylinder actuation\u003c\/span\u003e\u003ca href=\"https:\/\/esd.equipment\/en\/GR-3-8-B.html?___store=en\u0026amp;___from_store=fr\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eWide Operating Pressure Range\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Operates from 0.1 to 10 bar, suitable for both compressed air and vacuum applications\u003c\/span\u003e\u003ca href=\"https:\/\/esd.equipment\/en\/GR-3-8-B.html?___store=en\u0026amp;___from_store=fr\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eBroad Temperature Range\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Rated for -20 °C to +75 °C, suitable for diverse industrial environments\u003c\/span\u003e\u003ca href=\"https:\/\/www.tme.eu\/cn\/zh\/details\/gr-3_8-b\/fa-men-he-hui-liu-ban\/festo\/6308\/\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eDurable Construction\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Die‑cast zinc housing with NBR seals provides excellent corrosion resistance and long-term durability\u003c\/span\u003e\u003ca href=\"https:\/\/store.shaltzautomation.com\/products\/GR-3%2F8-B\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eATEX Certified\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Compliant with ATEX zones 1, 2, 21, and 22 for safe operation in potentially explosive atmospheres\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eRoHS Compliant\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Meets environmental standards for restricted substances\u003c\/span\u003e\u003ca href=\"https:\/\/store.shaltzautomation.com\/products\/GR-3%2F8-B\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eOriginal Brand New, Within Warranty Period\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Genuine Festo product, brand new in sealed packaging, covered by manufacturer's warranty.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003e100% Satisfaction Guarantee\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Your purchase is protected by our satisfaction guarantee; return or exchange if not completely satisfied.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eTechnical Specifications\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"ds-scroll-area ds-scroll-area--show-on-focus-within _1210dd7 c03cafe9\"\u003e\n\u003cdiv class=\"ds-scroll-area__gutters\"\u003e\n\u003cdiv class=\"ds-scroll-area__horizontal-gutter\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"ds-scroll-area__vertical-gutter\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eParameter\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eValue\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eValve Function\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eOne‑way flow control (non-return function)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePneumatic Connection\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eG3\/8 female (Ports 1 \u0026amp; 2)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eAdjusting Element\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eKnurled screw\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eStandard Nominal Flow (Control Direction)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1,010 l\/min\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eStandard Nominal Flow (Non-Return Direction)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1,150 l\/min\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOperating Pressure\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.1 … 10 bar\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eAmbient \/ Medium Temperature\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-20 … +75 °C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOperating Medium\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCompressed air as per ISO 8573-1:2010 [7:4:4]\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOiled Operation\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePossible (required for further use)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eHousing Material\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDie‑cast zinc\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSeal Material\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNBR\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eAdjusting Screw Material\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBrass\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMounting Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eInline; optional front panel mounting with through-holes\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMounting Position\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAny\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProduct Weight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApprox 225 g\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCorrosion Resistance Class (CRC)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2 – Moderate corrosion stress\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCertifications\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eATEX (Zones 1, 2, 21, 22), RoHS compliant\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eApplications\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eIdeal for precise pneumatic flow control in automated production lines, material handling systems, packaging machinery, and general industrial pneumatics\u003c\/span\u003e\u003ca href=\"https:\/\/axmatic.com\/product\/gr-3-8-b-one-way-flow-control-valve-festo-flow-control-valves\/\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e. Suitable for regulating piston speed of double-acting cylinders (exhaust air throttling) and single-acting cylinders (inlet flow control)\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003ePackage Includes\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003e1 x Festo GR-3\/8-B One‑Way Flow Control Valve (6308)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"FESTO","offers":[{"title":"Default Title","offer_id":52711159497023,"sku":"GR-3\/8-B ( 6308 )","price":33.34,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0872\/9477\/1519\/files\/festo-gr-38-b-one-way-flow-control-valve-g38-1010lmin-10bar-1110963.jpg?v=1775819887","url":"https:\/\/plcera.com\/es\/products\/festo-gr-3-8-b-one-way-flow-control-valve-g3-8-1010l-min-10bar","provider":"PLC ERA","version":"1.0","type":"link"}