{"product_id":"norma-nds®-1520-series-pvc-pressure-swing-check-valves","title":"Norma NDS® 1520 Series PVC Pressure Swing Check Valves","description":"\u003cp\u003eThe Norma NDS® 1520 Series PVC Pressure Swing Check Valve is designed to prevent reverse flow in pressurised pipeline systems, protecting pumps, filters, and equipment from backflow damage. Featuring a swing-type internal flap, the valve opens automatically with forward flow and closes when flow stops, ensuring reliable one-way operation without manual control.\u003c\/p\u003e\n\u003cp\u003eConstructed from high-strength PVC, the valve offers excellent corrosion resistance and long service life in water, irrigation, pool, and industrial fluid applications. The full-flow design minimises pressure loss, allowing efficient system performance while maintaining dependable backflow prevention.\u003c\/p\u003e\n\u003cp\u003eSuitable for both horizontal and vertical installations, the 1520 Series valve provides quiet operation and low maintenance. Its robust body construction withstands typical mains pressure conditions, making it ideal for pump discharge lines, filtration systems, irrigation networks, and general water transfer applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSwing check mechanism for automatic non-return operation\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003ePrevents reverse flow and protects system components\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eDurable PVC construction for corrosion resistance\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eFull flow design for minimal pressure loss\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSuitable for pressurised water systems\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eQuiet operation with low maintenance requirements\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eCompatible with horizontal or vertical installation\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eIdeal for irrigation, pools, pumps, and filtration systems\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eReliable sealing performance under varying flow conditions\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eLong service life in harsh environments\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Norma","offers":[{"title":"Default Title","offer_id":50605583728887,"sku":"1520-10","price":45.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0927\/0116\/3767\/files\/NormaNDS_1520SeriesPVCPressureSwingCheckValves.png?v=1773767145","url":"https:\/\/foundationpumps.com.au\/products\/norma-nds%c2%ae-1520-series-pvc-pressure-swing-check-valves","provider":"Foundation Pumps","version":"1.0","type":"link"}