{"product_id":"global-max-24l-10bar-pressure-kit","title":"Global Max 24L 16bar Pressure Kit","description":"\u003cp\u003ePressure vessels are important components in automatic booster systems, the vessels cushioning pressure surges as the pump starts and stops and also provide drainage supply in to the system to reduce pump cycle frequency.\u003c\/p\u003e\n\u003cp\u003eDAYLIFF Global Max pressure tanks are high specification units that are suitable for high pressure applications and include the following features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSuper thick steel construction with polyurethane and epoxy painted paint finish for corrosion protection\u003c\/li\u003e\n\u003cli\u003ePolypropylene liner so tanks can be used for corrosive and hard waters\u003c\/li\u003e\n\u003cli\u003eSpecial diaphragm and air valve design that eliminates air leaks and the need for maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDAYLIFF Global Max pressure tanks are comprehensively tested and quality approved by a number of international standards organisations and are also FDA food grade approved pressure tanks. They are the ideal solution for all high specification water booster applications and will provide many years of maintenance free operations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES \u0026amp; BENEFITS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePRESSURE TANK SIZING GUIDE\u003c\/strong\u003e\u003cbr\u003eCorrect tank sizing is important and is determined by the system flow rate and pump start and stop pressure settings. Sizing must be based upon the system flow at which the maximum cycle frequency occurs. As a rule of thumb this can be taken as average flow between the cut-in and cut-out flow rates.\u003c\/p\u003e\n\u003cp\u003eRequired drain volume is then the maximum cycle frequency flow divided by twice the specified maximum number of cycles per hour. Generally 60 cycles per hour is considered acceptable. Tank size selected is then that nearest to the volume required. Some selected examples are as follows;\u003c\/p\u003e\n\u003cdiv class=\"table-responsive\"\u003e\n\u003ctable class=\"table table-striped table-bordered table-hover table-sm\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePump Start Pressure (bar)\u003c\/td\u003e\n\u003ctd\u003e2.5\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePump Stop Pressure (bar)\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003ctd\u003e15\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrainage %\u003c\/td\u003e\n\u003ctd\u003e28\u003c\/td\u003e\n\u003ctd\u003e31\u003c\/td\u003e\n\u003ctd\u003e41\u003c\/td\u003e\n\u003ctd\u003e43\u003c\/td\u003e\n\u003ctd\u003e43\u003c\/td\u003e\n\u003ctd\u003e45\u003c\/td\u003e\n\u003ctd\u003e29\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTank Model\u003c\/td\u003e\n\u003ctd colspan=\"7\"\u003eDrainage Volume (Litres)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGWS 24Litres\u003c\/td\u003e\n\u003ctd\u003e7\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003e11\u003c\/td\u003e\n\u003ctd\u003e11\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003ctd\u003e7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGWS 60Litres\u003c\/td\u003e\n\u003ctd\u003e17\u003c\/td\u003e\n\u003ctd\u003e18\u003c\/td\u003e\n\u003ctd\u003e24\u003c\/td\u003e\n\u003ctd\u003e26\u003c\/td\u003e\n\u003ctd\u003e26\u003c\/td\u003e\n\u003ctd\u003e27\u003c\/td\u003e\n\u003ctd\u003e17\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGWS 100Litres\u003c\/td\u003e\n\u003ctd\u003e28\u003c\/td\u003e\n\u003ctd\u003e31\u003c\/td\u003e\n\u003ctd\u003e41\u003c\/td\u003e\n\u003ctd\u003e43\u003c\/td\u003e\n\u003ctd\u003e43\u003c\/td\u003e\n\u003ctd\u003e45\u003c\/td\u003e\n\u003ctd\u003e29\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGWS 300Litres\u003c\/td\u003e\n\u003ctd\u003e84\u003c\/td\u003e\n\u003ctd\u003e93\u003c\/td\u003e\n\u003ctd\u003e123\u003c\/td\u003e\n\u003ctd\u003e129\u003c\/td\u003e\n\u003ctd\u003e179\u003c\/td\u003e\n\u003ctd\u003e135\u003c\/td\u003e\n\u003ctd\u003e87\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003eCorrect tank precharge is critical and must be 0.2 Bar below the pump start pressure for pressure switch systems or 65% of the pump stop pressure for variable speed systems. Efficiency is greatly reduced if precharge is either too high or too low.\u003cbr\u003eEnsure that the difference between start and stop pressure is as high as possible as the larger the differential the greater the tank drainage capacity.\u003cbr\u003eEnsure the pump start pressure is higher than the system static pressure or else the pump will not start.\u003cbr\u003eAdjust pump stop pressure to be about 90% of the pumps closed head pressure.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNOTE\u003c\/strong\u003e: Oversizing tank size has many advantages including reduced energy consumption, reduced cycling, extended pump life due to reduced wear and reduced noise. As a rule doubling the calculated size will bring substantial benefits.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSPECIFICATIONS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSELECTION EXAMPLE\u003c\/strong\u003e\u003cbr\u003eSystem Parameters\u003cbr\u003e\u003cstrong\u003ePump Start Pressure\u003c\/strong\u003e: 5 Bar\u003cbr\u003e\u003cstrong\u003ePump Stop Pressure\u003c\/strong\u003e: 10 Bar\u003cbr\u003e\u003cstrong\u003eMaximum Working Temperature\u003c\/strong\u003e:90°C\u003cbr\u003e\u003cstrong\u003eStop Flow\u003c\/strong\u003e: 5m³\/hr\u003cbr\u003e\u003cstrong\u003eStart Flow\u003c\/strong\u003e: 10m³\/hr\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRequired Drainage Volume\u003c\/strong\u003e: = Average Flow Rate \/ (start per hour x 2) e.g. 7500ltr\/hr \/ (60 starts\/hr x 2) = 63litres\u003cbr\u003e\u003cstrong\u003eDrainage % based on start\/stop pressure as per table\u003c\/strong\u003e: 43%\u003c\/p\u003e\n\u003cp\u003eRequired Tank Volume = Required Drainage Volume \/ Drainage % e.g. 63 \/ 0.43 = 146litres\u003cbr\u003e\u003cstrong\u003eTank Specification:\u003c\/strong\u003e Use 2x100litres or 3x60litres\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTank Data\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"table-responsive\"\u003e\n\u003ctable class=\"table table-striped table-bordered table-hover table-sm\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd rowspan=\"2\"\u003eModel\u003c\/td\u003e\n\u003ctd rowspan=\"2\"\u003eMax. Pressure (bar)\u003c\/td\u003e\n\u003ctd rowspan=\"2\"\u003eType\u003c\/td\u003e\n\u003ctd colspan=\"3\"\u003eDimensions\u003c\/td\u003e\n\u003ctd rowspan=\"2\"\u003eWeight (kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eA\u003c\/td\u003e\n\u003ctd\u003eB\u003c\/td\u003e\n\u003ctd\u003eC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGWS24\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003eDiaphragm\u003c\/td\u003e\n\u003ctd\u003e447\u003c\/td\u003e\n\u003ctd\u003e293\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003e9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGWS60\u003c\/td\u003e\n\u003ctd\u003e16\u003c\/td\u003e\n\u003ctd\u003eDiaphragm\u003c\/td\u003e\n\u003ctd\u003e620\u003c\/td\u003e\n\u003ctd\u003e390\u003c\/td\u003e\n\u003ctd\u003e127\u003c\/td\u003e\n\u003ctd\u003e15\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGWS100\u003c\/td\u003e\n\u003ctd\u003e16\u003c\/td\u003e\n\u003ctd\u003eDiaphragm\u003c\/td\u003e\n\u003ctd\u003e804\u003c\/td\u003e\n\u003ctd\u003e431\u003c\/td\u003e\n\u003ctd\u003e129\u003c\/td\u003e\n\u003ctd\u003e22\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGWS300\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003eBladder\u003c\/td\u003e\n\u003ctd\u003e1511\u003c\/td\u003e\n\u003ctd\u003e534\u003c\/td\u003e\n\u003ctd\u003e130\u003c\/td\u003e\n\u003ctd\u003e79\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGWS300\u003c\/td\u003e\n\u003ctd\u003e16\u003c\/td\u003e\n\u003ctd\u003eDiaphragm\u003c\/td\u003e\n\u003ctd\u003e1230\u003c\/td\u003e\n\u003ctd\u003e640\u003c\/td\u003e\n\u003ctd\u003e130\u003c\/td\u003e\n\u003ctd\u003e79\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003e⚠️ SAFETY NOTE\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cem\u003e\u003cstrong\u003eElectrical installations should be carried out by a qualified technician.\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eHandle chemicals with care as they are hazardous.\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e","brand":"Davis \u0026 Shirtliff","offers":[{"title":"Default Title","offer_id":51537838113058,"sku":"GWS024","price":270810.0,"currency_code":"RWF","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0990\/1162\/5250\/files\/PressureKit.webp?v=1776254788","url":"https:\/\/shop.rwanda.davisandshirtliff.com\/products\/global-max-24l-10bar-pressure-kit","provider":"Davis \u0026 Shirtliff Rwanda","version":"1.0","type":"link"}