{"product_id":"pneumatic-precision-glue-dispensing-valve-silicone-uv-single-liquid","title":"Pneumatic Precision Glue Dispensing Valve – Silicone \u0026 UV","description":"\u003ch2\u003ePneumatic Precision Glue Dispensing Valve for Silicone, UV \u0026amp; Single Liquid Applications\u003c\/h2\u003e\n\u003cp\u003eAchieve clean, consistent, and highly controlled adhesive application with this \u003cstrong\u003e3131 Backsuction Pneumatic Precision Glue Dispensing Valve\u003c\/strong\u003e. Engineered from durable \u003cstrong\u003ealuminum alloy\u003c\/strong\u003e, this professional-grade dispensing valve is built for demanding industrial and workshop environments where accuracy and repeatability are essential.\u003c\/p\u003e\n\n\u003cp\u003eWhether you're working with silicone, UV adhesives, or other single-component liquids, this valve delivers precise flow control with a backsuction (suck-back) mechanism that eliminates dripping and stringing — keeping your workpiece clean and your process efficient.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBacksuction (Suck-Back) Design:\u003c\/strong\u003e Prevents adhesive dripping and trailing after dispensing stops, ensuring a clean cutoff every time.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePneumatic Operation:\u003c\/strong\u003e Air-pressure driven for smooth, consistent dispensing across a range of viscosities.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAluminum Alloy Construction:\u003c\/strong\u003e Lightweight yet robust body resists wear and chemical exposure for long-lasting performance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible with Silicone \u0026amp; UV Glue:\u003c\/strong\u003e Handles a wide variety of single-component liquid adhesives with ease.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSingle Liquid Filling Valve:\u003c\/strong\u003e Ideal for automated or semi-automated filling and assembly line applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrecision Flow Control:\u003c\/strong\u003e Fine-tune dispensing volume and speed to meet tight tolerances in electronics, optics, and general manufacturing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eElectronics assembly and PCB potting\u003c\/li\u003e\n  \u003cli\u003eOptical lens bonding with UV adhesives\u003c\/li\u003e\n  \u003cli\u003eSilicone sealing and gasket applications\u003c\/li\u003e\n  \u003cli\u003eSmall-batch and high-volume production lines\u003c\/li\u003e\n  \u003cli\u003ePrecision crafting and model assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aluminum Alloy\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eValve Type:\u003c\/strong\u003e Backsuction Pneumatic Dispensing Valve\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Fluids:\u003c\/strong\u003e Silicone, UV Glue, Single-Component Liquids\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperation:\u003c\/strong\u003e Pneumatic (air-pressure driven)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Made in China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cp\u003eLooking for other precision tools and workshop accessories? Check out our \u003ca href=\"\/products\/screw-extractor-drill-bit-set-carbon-steel-double-sided\"\u003eScrew Extractor Drill Bit Set 5 \u0026amp; 6 Pc – Carbon Steel\u003c\/a\u003e for fastener removal, or the \u003ca href=\"\/products\/adjustable-label-roll-holder-3d-printed-thermal-printer-stand\"\u003eAdjustable Label Roll Holder – 3D Printed Thermal Printer Stand\u003c\/a\u003e to keep your workspace organized.\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener\"\u003eOSHA guidance on hand and power tools\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What types of adhesives are compatible with this pneumatic glue dispensing valve?\u003c\/h4\u003e\n\u003cp\u003eA: This dispensing valve is designed to work with single-component liquids including silicone adhesives, UV-curing glues, and other low-to-medium viscosity fluids commonly used in electronics assembly, optics, and general manufacturing.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How does the backsuction (suck-back) feature work?\u003c\/h4\u003e\n\u003cp\u003eA: The backsuction mechanism creates a brief reverse air-pressure pulse at the end of each dispensing cycle, pulling the adhesive back slightly into the nozzle. This prevents dripping, stringing, or unintended adhesive flow, keeping your components and workpieces clean between dispenses.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What air pressure is required to operate this dispensing valve?\u003c\/h4\u003e\n\u003cp\u003eA: This valve is pneumatically operated and connects to a standard compressed air supply. For exact operating pressure specifications, please refer to the technical documentation included with your valve or contact us directly for compatibility guidance.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this valve suitable for use in automated production lines?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The 3131 backsuction pneumatic dispensing valve is well-suited for integration into automated and semi-automated dispensing systems, offering consistent and repeatable performance for both small-batch and high-volume production environments.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What types of adhesives are compatible with this pneumatic glue dispensing valve?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This dispensing valve is designed to work with single-component liquids including silicone adhesives, UV-curing glues, and other low-to-medium viscosity fluids commonly used in electronics assembly, optics, and general manufacturing.\"}}, {\"@type\": \"Question\", \"name\": \"How does the backsuction (suck-back) feature work?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The backsuction mechanism creates a brief reverse air-pressure pulse at the end of each dispensing cycle, pulling the adhesive back slightly into the nozzle. 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The 3131 backsuction pneumatic dispensing valve is well-suited for integration into automated and semi-automated dispensing systems, offering consistent and repeatable performance for both small-batch and high-volume production environments.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/80721r-dv.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/80721r-dv.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"Pneumatic Precision Glue Dispensing Valve – Silicone \u0026 UV\", \"item\": \"https:\/\/80721r-dv.myshopify.com\/products\/pneumatic-precision-glue-dispensing-valve-silicone-uv-single-liquid\"}]}\u003c\/script\u003e","brand":"SPOT","offers":[{"title":"3131A \/ 1PCS","offer_id":67643918156026,"sku":"14:350853#3131A;183:201451452#1PCS","price":160.32,"currency_code":"USD","in_stock":true},{"title":"3131B \/ 1PCS","offer_id":67643918188794,"sku":"14:10#3131B;183:201451452#1PCS","price":160.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0867\/1415\/5258\/files\/S2d49317f9c7c4613b19851f67c6b7fae0.webp?v=1791209489","url":"https:\/\/spotmartusa.com\/products\/pneumatic-precision-glue-dispensing-valve-silicone-uv-single-liquid","provider":"SPOT","version":"1.0","type":"link"}