{"product_id":"goldstream-monster-pump-head-only","title":"Monster GS25 Pumphead - IEC 71 Frame","description":"\u003cstyle\u003e\n    @import url('https:\/\/fonts.googleapis.com\/css2?family=Montserrat:wght@700\u0026family=Open+Sans:wght@400;700\u0026display=swap');\n\n    .product-container {\n        font-family: 'Open Sans', sans-serif;\n        color: #333333;\n        line-height: 1.6;\n        max-width: 900px;\n        margin: 0 auto;\n        font-size: 0.9em;\n    }\n\n    \/* Header Styling *\/\n    .product-container h4 {\n        font-family: 'Open Sans', sans-serif;\n        font-weight: 700;\n        color: black;\n        margin-top: 25px;\n        margin-bottom: 10px;\n        font-size: 1.2em;\n        text-transform: none;\n    }\n\n    \/* Gold Highlight Class *\/\n    .highlight-gold {\n        color: #996515 !important;\n    }\n\n    .product-overview {\n        background-color: #f9f9f9;\n        padding: 20px;\n        border-left: 5px solid #996515;\n        margin-bottom: 25px;\n    }\n\n    .product-container ul {\n        margin-top: 10px;\n        padding-left: 20px;\n    }\n\n    .product-container li {\n        margin-bottom: 8px;\n    }\n\n    .spec-table {\n        width: 100%;\n        border-collapse: collapse;\n        margin-bottom: 25px;\n        margin-top: 15px;\n    }\n\n    .spec-table th {\n        background-color: #333333;\n        color: white;\n        text-align: left;\n        padding: 12px;\n        font-family: 'Montserrat', sans-serif;\n        font-size: 1em;\n    }\n\n    .spec-table td {\n        border: 1px solid #cccccc;\n        padding: 10px;\n    }\n\n    .spec-table tr:nth-child(even) {\n        background-color: #f2f2f2;\n    }\n\n    .warning-header {\n        color: #B22222 !important;\n        border-bottom: 2px solid #FFDada !important;\n        padding-bottom: 5px;\n    }\n\n    .note-text {\n        font-style: italic;\n        font-size: 0.85em;\n        color: #777;\n        border-top: 1px solid #eee;\n        padding-top: 10px;\n        margin-top: 20px;\n    }\n\u003c\/style\u003e\n\u003cdiv class=\"product-container\"\u003e\n\u003cdiv class=\"product-overview\"\u003e\n\u003ch4\u003eAbout\u003c\/h4\u003e\n\u003cp class=\"highlight-gold\"\u003e\u003cstrong\u003eA direct replacement pumphead for portable close-coupled pumps with IEC 71 motors. Engineered for fast, quiet, and reliable fluid transfer.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"highlight-gold\"\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong class=\"highlight-gold\"\u003eFlow Rate vs. RPM:\u003c\/strong\u003e 12 GPM @ 1800 RPM | 20 GPM @ 2850 RPM | 25 GPM @ 3450 RPM.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong class=\"highlight-gold\"\u003eDirect Fit:\u003c\/strong\u003e Designed for IEC 71 motors with a 14mm keyed shaft.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong class=\"highlight-gold\"\u003eSmooth Operation:\u003c\/strong\u003e Large displacement helical-cut steel gears for fast and quiet operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong class=\"highlight-gold\"\u003eReady to Plumb:\u003c\/strong\u003e 1\" NPT ports (Includes two 1.25\" hose barbs).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-details\"\u003e\n\u003cdiv class=\"product-description\"\u003e\n\u003cp\u003e\u003cstrong\u003eThe ultimate cast-iron replacement pumphead. Engineered to move heavy gear oils, waste motor oil, and diesel, this is the exact head used on our flagship Goldstream portable transfer pumps.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIn a true heavy-duty fluid transfer system, your electric motor is the expensive workhorse that should last for years, while the pumphead inevitably takes the abuse of moving heavy, abrasive oils. The GSM25 is a cost-effective, direct-replacement pumphead designed for portable close-coupled pumps with IEC 71 motors, getting you back to pumping at peak efficiency in minutes.\u003c\/p\u003e\n\u003ch4 class=\"highlight-gold\"\u003eKey Features \u0026amp; Benefits\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong class=\"highlight-gold\"\u003eScalable Performance:\u003c\/strong\u003e The flow rate scales with your motor's speed. Pair with 3450 RPM for 25 GPM, 2850 RPM for 20 GPM, or 1800 RPM for high-torque 12 GPM transfer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong class=\"highlight-gold\"\u003eFast \u0026amp; Quiet Operation:\u003c\/strong\u003e \u003cspan\u003eEquipped with large displacement, helical-cut steel gears that provide a nearly pulseless flow, drastically reducing vibration and noise during heavy transfer jobs.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong class=\"highlight-gold\"\u003eUniversal Fit:\u003c\/strong\u003e \u003cspan\u003eDesigned as a direct bolt-on fit for IEC 71 standard electric motors utilizing a 14mm keyed shaft.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong class=\"highlight-gold\"\u003eSelf-Priming:\u003c\/strong\u003e \u003cspan\u003eCreates strong suction lift right out of the box, saving you time and hassle.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 class=\"highlight-gold\"\u003eTechnical Specifications\u003c\/h4\u003e\n\u003ctable class=\"spec-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOil Viscosity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFuel Oil to Heavy Gear Oil (WMO, WVO, Diesel)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFlow Rate vs. RPM\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 GPM @ 1800 | 20 GPM @ 2850 | 25 GPM @ 3450\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePumphead Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHeavy-Duty Cast Iron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShaft Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e14mm Keyed Shaft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePort Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1\" NPT Inlet \/ Outlet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMotor Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIEC 71 Frame\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4 class=\"highlight-gold\"\u003eMotor Sizing \u0026amp; Fluid Viscosity Guide\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eThicker oils require significantly more torque to move, especially at higher speeds. Pairing this pumphead with the correct motor is critical to prevent your motor from overheating. Use the guidelines below to size your custom build:\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable class=\"spec-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eMotor Speed (Flow)\u003c\/th\u003e\n\u003cth\u003eFluid Viscosity \/ Type\u003c\/th\u003e\n\u003cth\u003eMinimum HP Required\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cstrong\u003e1800 RPM\u003c\/strong\u003e (12 GPM)\u003c\/td\u003e\n\u003ctd\u003eCold Motor Oil, Waste Oil (WMO)\u003c\/td\u003e\n\u003ctd\u003e3\/4 HP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cstrong\u003e3450 RPM\u003c\/strong\u003e (25 GPM)\u003c\/td\u003e\n\u003ctd\u003eLight Oils (Diesel, Warm ATF)\u003c\/td\u003e\n\u003ctd\u003e3\/4 HP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cstrong\u003e3450 RPM\u003c\/strong\u003e (25 GPM)\u003c\/td\u003e\n\u003ctd\u003eHeavier Oils (Cold Motor Oil)\u003c\/td\u003e\n\u003ctd\u003e1 HP to 2 HP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4 class=\"warning-header\"\u003e\u003cspan style=\"color: rgb(153, 101, 21);\"\u003e⚠ Important Operating Notes\u003c\/span\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong class=\"highlight-gold\"\u003eOil Lubricated Only:\u003c\/strong\u003e The internal gears rely on the fluid for lubrication. \u003cspan style=\"color: rgb(153, 101, 21);\"\u003e\u003cstrong\u003eTHIS PUMP WILL NOT WORK WITH WATER.  \u003c\/strong\u003e\u003c\/span\u003eAlways ensure the pumphead has fluid before extended operation. Do not pump water, gasoline, or highly flammable solvents.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 class=\"highlight-gold\"\u003eWhat’s Included in the Box\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eGSM25 Cast-Iron Gear Pumphead (IEC 71 Mount)\u003c\/li\u003e\n\u003cli\u003eTwo (2) 1\" NPT to 1.25\" Hose Barbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"note-text\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eNote: Motor, shaft coupler (L070), handle, base, and hoses are NOT included. This is a replacement pumphead component.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Goldstream Pumps","offers":[{"title":"Default Title","offer_id":45094725517346,"sku":"GSM25","price":390.66,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0870\/4327\/6834\/files\/wcb-75_-_goldstream_portable_monster_pump_-_head_mainimage01.jpg?v=1774381406","url":"https:\/\/goldstreampumps.com\/products\/goldstream-monster-pump-head-only","provider":"Goldstream Pumps","version":"1.0","type":"link"}