{"product_id":"mtm-hydro-brv31-90-high-flow-black-spring-unloader-4-060-psi-24-gpm","title":"MTM Hydro BRV31\/90 High-Flow Black-Spring Unloader – 4,060 PSI 24-GPM","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eThe MTM Hydro BRV31\/90 is a high-flow trapped-pressure unloader designed for pressure washing and industrial cleaning systems producing up to 24 GPM. When the spray gun or discharge valve closes, the unloader diverts pump flow through the bypass circuit to control system pressure and protect compatible equipment.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis black-spring model is rated for up to 4,060 PSI and 194°F and uses large 1\/2\" BSP female ports for high-flow plumbing. Multiple inlet and bypass ports provide flexibility when configuring multi-pump pressure washers, hydro-excavation systems, sewer-jetting equipment, and other high-output cleaning systems.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigh 24 GPM flow capacity\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eBlack main spring identifies the 4,060 PSI configuration\u003c\/li\u003e\n\u003cli\u003eTrapped-pressure operation diverts pump flow into bypass when the discharge closes\u003c\/li\u003e\n\u003cli\u003eDual inlet and bypass ports support flexible plumbing orientation\u003c\/li\u003e\n\u003cli\u003eLarge 1\/2\" BSP ports accommodate high-flow applications\u003c\/li\u003e\n\u003cli\u003eStainless-steel shaft provides resistance to rust and adjustment forces\u003c\/li\u003e\n\u003cli\u003eGuided main spring promotes stable alignment\u003c\/li\u003e\n\u003cli\u003eBrass construction\u003c\/li\u003e\n\u003cli\u003eDesigned and manufactured in Italy\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e MTM Hydro\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e BRV31\/90\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 18.0412\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnloader Type:\u003c\/strong\u003e High-flow trapped-pressure unloader\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Pressure:\u003c\/strong\u003e 4,060 PSI\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Flow:\u003c\/strong\u003e 24 GPM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Temperature:\u003c\/strong\u003e 194°F \/ 90°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Ports:\u003c\/strong\u003e Two 1\/2\" BSP female\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutlet Port:\u003c\/strong\u003e One 1\/2\" BSP female\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBypass Ports:\u003c\/strong\u003e Two 1\/2\" BSP female\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailable Bottom Mounting Port:\u003c\/strong\u003e 1\/2\" BSP female\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Material:\u003c\/strong\u003e Brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShaft Material:\u003c\/strong\u003e Stainless steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMain Spring Color:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Manufacture:\u003c\/strong\u003e Italy\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003eAdditional Information:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThis unloader uses BSP threads, not NPT.\u003c\/strong\u003e NPT fittings should not be forced into BSP ports.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eMatch the unloader to the pump system’s actual flow and pressure.\u003c\/li\u003e\n\u003cli\u003eUse the correctly sized spray nozzle to establish normal operating pressure. Do not use the unloader as the primary method of reducing cleaning pressure.\u003c\/li\u003e\n\u003cli\u003eIncorrect adjustment or restricted bypass plumbing can damage equipment or create an unsafe overpressure condition.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eConfirm the port locations, available space, and plumbing arrangement before replacing another unloader model.\u003c\/li\u003e\n\u003cli\u003eUnloader only; pressure gauge, hoses, fittings, and mounting hardware are not included.\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Veloci Performance Products","offers":[{"title":"Default Title","offer_id":46551551213647,"sku":"18.0412","price":160.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/1333\/4863\/files\/18.0412_d8a92672-43b0-4ad7-83ea-72f6c0f4b63c.webp?v=1788021048","url":"https:\/\/hhandswproducts.com\/products\/mtm-hydro-brv31-90-high-flow-black-spring-unloader-4-060-psi-24-gpm","provider":"HH\u0026SW Equipment \u0026 Supply","version":"1.0","type":"link"}