{"product_id":"solinst-model-408-double-valve-pumps","title":"Solinst Model 408 Double Valve Pumps","description":"\u003ch3\u003e\u003cstrong\u003eSolinst Model 408 Double Valve Pump\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Solinst Model 408 Double Valve Pump is a reliable pneumatic groundwater sampling pump designed for collecting high-quality groundwater samples from monitoring wells, environmental investigations, and hydrogeological studies. Utilizing a durable double check valve design, the Model 408 delivers efficient, low-disturbance water sampling while helping preserve sample integrity for laboratory analysis.\u003c\/p\u003e\n\u003cp\u003eEngineered for demanding environmental field work, the Solinst 408 Double Valve Pump operates using compressed air or inert gas and is ideal for low-flow groundwater sampling, well purging, and environmental monitoring programs where dependable sample collection is essential.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEngineered for Accurate Groundwater Sampling\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Solinst Model 408 uses a proven double valve pumping system to minimize agitation during sample collection, helping obtain representative groundwater samples from monitoring wells. Its rugged construction and dependable operation make it an excellent choice for environmental consultants, hydrogeologists, engineers, municipalities, and remediation professionals.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIdeal for Low-Flow Sampling and Well Purging\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Model 408 Double Valve Pump is designed to support both groundwater sampling and well development activities. Its pneumatic operation makes it suitable for collecting water quality samples while minimizing aeration and reducing disturbance within the well column.\u003c\/p\u003e\n\u003chr data-start=\"1122\" data-end=\"1125\"\u003e\n\u003ch3 data-section-id=\"1d7mrtu\" data-start=\"1127\" data-end=\"1138\"\u003eFeatures\u003c\/h3\u003e\n\u003cul data-start=\"1140\" data-end=\"1562\"\u003e\n\u003cli data-section-id=\"pbvp8v\" data-start=\"1140\" data-end=\"1169\"\u003eGenuine Solinst OEM product\u003c\/li\u003e\n\u003cli data-section-id=\"teiptv\" data-start=\"1170\" data-end=\"1229\"\u003ePositive displacement pneumatic groundwater sampling pump\u003c\/li\u003e\n\u003cli data-section-id=\"q4qcih\" data-start=\"1230\" data-end=\"1271\"\u003eAvailable in 316 Stainless Steel or PVC\u003c\/li\u003e\n\u003cli data-section-id=\"ve8rq\" data-start=\"1272\" data-end=\"1305\"\u003eNo bladder replacement required\u003c\/li\u003e\n\u003cli data-section-id=\"12zr77b\" data-start=\"1306\" data-end=\"1362\"\u003eSuitable for low-flow sampling and higher-flow purging\u003c\/li\u003e\n\u003cli data-section-id=\"5ec34j\" data-start=\"1363\" data-end=\"1424\"\u003eEasy tool-free disassembly for cleaning and decontamination\u003c\/li\u003e\n\u003cli data-section-id=\"bzd80u\" data-start=\"1425\" data-end=\"1465\"\u003eExcellent for VOC groundwater sampling\u003c\/li\u003e\n\u003cli data-section-id=\"4p0d23\" data-start=\"1466\" data-end=\"1562\"\u003eCompatible with Solinst pump controllers and accessories \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1564\" data-end=\"1567\"\u003e\n\u003ch3 data-section-id=\"13bet33\" data-start=\"1569\" data-end=\"1596\"\u003eAvailable Configurations\u003c\/h3\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"1598\" data-end=\"1931\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"1598\" data-end=\"1632\"\u003e\n\u003ctr data-start=\"1598\" data-end=\"1632\"\u003e\n\u003cth data-start=\"1598\" data-end=\"1614\" data-col-size=\"md\" class=\"last:pe-10\"\u003eConfiguration\u003c\/th\u003e\n\u003cth data-start=\"1614\" data-end=\"1632\" data-col-size=\"sm\" class=\"last:pe-10\"\u003eSolinst Part #\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"1668\" data-end=\"1931\"\u003e\n\u003ctr data-start=\"1668\" data-end=\"1744\"\u003e\n\u003ctd data-start=\"1668\" data-end=\"1730\" data-col-size=\"md\"\u003e408 Mk3 SS Double Valve Pump – 5\/8\" × 1 ft (1\/4\" Dual Barb)\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1730\" data-end=\"1744\"\u003e\u003cstrong data-start=\"1732\" data-end=\"1742\"\u003e103104\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1745\" data-end=\"1837\"\u003e\n\u003ctd data-start=\"1745\" data-end=\"1823\" data-col-size=\"md\"\u003e408 Mk2 SS Double Valve Pump – 1.66\" × 2 ft (1\/4\" Sample \u0026amp; 1\/4\" Drive Barb)\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1823\" data-end=\"1837\"\u003e\u003cstrong data-start=\"1825\" data-end=\"1835\"\u003e117252\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1838\" data-end=\"1931\"\u003e\n\u003ctd data-start=\"1838\" data-end=\"1917\" data-col-size=\"md\"\u003e408 Mk2 PVC Double Valve Pump – 1.66\" × 2 ft (1\/4\" Sample \u0026amp; 1\/4\" Drive Barb)\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1917\" data-end=\"1931\"\u003e\u003cstrong data-start=\"1919\" data-end=\"1929\"\u003e117312\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp data-start=\"1933\" data-end=\"2113\"\u003e\u003cstrong data-start=\"1933\" data-end=\"2113\"\u003eSelect the desired pump configuration from the dropdown menu. If you're unsure which Model 408 Double Valve Pump is right for your application, our team is happy to help.\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"2115\" data-end=\"2118\"\u003e\n\u003ch3 data-section-id=\"mu966k\" data-start=\"2120\" data-end=\"2135\"\u003eApplications\u003c\/h3\u003e\n\u003cul data-start=\"2137\" data-end=\"2410\"\u003e\n\u003cli data-section-id=\"1bzbtob\" data-start=\"2137\" data-end=\"2159\"\u003eGroundwater sampling\u003c\/li\u003e\n\u003cli data-section-id=\"ryekkw\" data-start=\"2160\" data-end=\"2191\"\u003eLow-flow groundwater sampling\u003c\/li\u003e\n\u003cli data-section-id=\"1etjuup\" data-start=\"2192\" data-end=\"2206\"\u003eVOC sampling\u003c\/li\u003e\n\u003cli data-section-id=\"lwkrxm\" data-start=\"2207\" data-end=\"2221\"\u003eWell purging\u003c\/li\u003e\n\u003cli data-section-id=\"1m89z0c\" data-start=\"2222\" data-end=\"2248\"\u003eEnvironmental monitoring\u003c\/li\u003e\n\u003cli data-section-id=\"17jxj9n\" data-start=\"2249\" data-end=\"2277\"\u003eGroundwater investigations\u003c\/li\u003e\n\u003cli data-section-id=\"1by3fnp\" data-start=\"2278\" data-end=\"2296\"\u003eMonitoring wells\u003c\/li\u003e\n\u003cli data-section-id=\"1wzkiy4\" data-start=\"2297\" data-end=\"2315\"\u003eSite remediation\u003c\/li\u003e\n\u003cli data-section-id=\"162tado\" data-start=\"2316\" data-end=\"2337\"\u003eLandfill monitoring\u003c\/li\u003e\n\u003cli data-section-id=\"1gqk93o\" data-start=\"2338\" data-end=\"2374\"\u003eMunicipal water quality monitoring\u003c\/li\u003e\n\u003cli data-section-id=\"n5h437\" data-start=\"2375\" data-end=\"2410\"\u003eIndustrial groundwater monitoring\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2412\" data-end=\"2415\"\u003e\n\u003ch3 data-section-id=\"w3a6bn\" data-start=\"2417\" data-end=\"2435\"\u003eWhat's Included\u003c\/h3\u003e\n\u003cul data-start=\"2437\" data-end=\"2556\"\u003e\n\u003cli data-section-id=\"s7oxrp\" data-start=\"2437\" data-end=\"2482\"\u003eGenuine Solinst Model 408 Double Valve Pump\u003c\/li\u003e\n\u003cli data-section-id=\"1yzc5ux\" data-start=\"2483\" data-end=\"2512\"\u003eSelected pump configuration\u003c\/li\u003e\n\u003cli data-section-id=\"1hfqae8\" data-start=\"2513\" data-end=\"2556\"\u003eFactory assembled and ready for field use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2558\" data-end=\"2561\"\u003e\n\u003ch3 data-section-id=\"1lpyyo0\" data-start=\"2563\" data-end=\"2602\"\u003eWhy Buy From Activated Carbon Depot?\u003c\/h3\u003e\n\u003cul data-start=\"2604\" data-end=\"2792\"\u003e\n\u003cli data-section-id=\"16otwz4\" data-start=\"2604\" data-end=\"2636\"\u003eAuthorized Solinst Distributor\u003c\/li\u003e\n\u003cli data-section-id=\"r0sk4c\" data-start=\"2637\" data-end=\"2667\"\u003eGenuine OEM Solinst products\u003c\/li\u003e\n\u003cli data-section-id=\"1jd1uka\" data-start=\"2668\" data-end=\"2694\"\u003eExpert technical support\u003c\/li\u003e\n\u003cli data-section-id=\"1xoe425\" data-start=\"2695\" data-end=\"2718\"\u003eFast order processing\u003c\/li\u003e\n\u003cli data-section-id=\"641g7f\" data-start=\"2719\" data-end=\"2792\"\u003eAssistance selecting the correct Solinst equipment for your application\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Solinst","offers":[{"title":"5\/8\" × 1 ft SS","offer_id":47654542213309,"sku":"103104","price":154.0,"currency_code":"USD","in_stock":true},{"title":"1.66\" × 2 ft SS","offer_id":47654542246077,"sku":"117252","price":378.0,"currency_code":"USD","in_stock":true},{"title":"1.66\" × 2 ft PVC","offer_id":47654542278845,"sku":"117312","price":209.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/1408\/4285\/files\/SolinstModel408DoubleValvePumps.jpg?v=1784218254","url":"https:\/\/activatedcarbondepot.com\/products\/solinst-model-408-double-valve-pumps","provider":"Activated Carbon Depot","version":"1.0","type":"link"}