{"product_id":"products-ductile-iron-resilient-seated-gate-valve","title":"Ductile Iron Resilient Seated NRS Flanged Gate Valve GGG50 PN10\/PN16, BS 5163 DIN 3352 F4\/F5","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cstrong\u003eDuctile Iron Resilient Seated NRS Flanged Gate Valve\u003c\/strong\u003e\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis ductile iron resilient seated gate valve is designed for reliable shut-off and isolation in water supply, waterworks, municipal and industrial water piping systems. The valve features a non-rising stem (NRS) design, ductile iron GGG50 construction and an EPDM resilient seat for tight shut-off and long-term service.\u003c\/p\u003e\n\u003cp\u003eAvailable in PN10 and PN16 pressure ratings, the flanged gate valve can be supplied according to BS 5163 and DIN 3352 F4\/F5 requirements, depending on the selected configuration. The flanged connection allows secure installation and convenient maintenance in pipeline systems.\u003c\/p\u003e\n\u003cp\u003eWith its compact NRS configuration, corrosion-resistant internal components and resilient sealing system, the valve is suitable for potable water, treated water and general water distribution applications.\u003c\/p\u003e\n\u003ch3 class=\"PDq2pG_selectionAnchorContainer\"\u003eTechnical Specifications\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cdiv class=\"group TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"last:pe-10\"\u003eSpecification\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eResilient Seated Flanged Gate Valve\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStem Design\u003c\/td\u003e\n\u003ctd\u003eNon-Rising Stem (NRS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eDuctile Iron GGG50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWedge\u003c\/td\u003e\n\u003ctd\u003eDuctile Iron \/ EPDM Resilient Seated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat Material\u003c\/td\u003e\n\u003ctd\u003eEPDM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Pressure\u003c\/td\u003e\n\u003ctd\u003ePN10 \/ PN16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize Range\u003c\/td\u003e\n\u003ctd\u003eDN50–DN1200*\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd Connection\u003c\/td\u003e\n\u003ctd\u003eFlanged\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDesign Standards\u003c\/td\u003e\n\u003ctd\u003eBS 5163 \/ DIN 3352 F4\/F5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorking Medium\u003c\/td\u003e\n\u003ctd\u003eWater\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eWater Supply, Waterworks, Municipal Piping\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperation\u003c\/td\u003e\n\u003ctd\u003eHandwheel \/ Gear Operator*\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoating\u003c\/td\u003e\n\u003ctd\u003eFusion Bonded Epoxy \/ Epoxy Coating*\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 class=\"PDq2pG_selectionAnchorContainer\"\u003eKey Features \u0026amp; Benefits\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eNon-Rising Stem (NRS) Design\u003c\/strong\u003e\u003cbr\u003eThe NRS configuration keeps the stem inside the valve body during operation, making the valve suitable for installations where vertical clearance is limited.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDuctile Iron GGG50 Body\u003c\/strong\u003e\u003cbr\u003eThe ductile iron body provides high mechanical strength and durability for water distribution and pipeline applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEPDM Resilient Seated Wedge\u003c\/strong\u003e\u003cbr\u003eThe EPDM resilient seat provides tight shut-off and is suitable for common water service applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePN10 \/ PN16 Pressure Ratings\u003c\/strong\u003e\u003cbr\u003eAvailable in PN10 and PN16 configurations to meet different pipeline pressure requirements.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFlanged End Connection\u003c\/strong\u003e\u003cbr\u003eThe flanged connection provides a secure pipeline connection and allows convenient installation and removal for maintenance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBS 5163 \/ DIN 3352 F4\/F5 Options\u003c\/strong\u003e\u003cbr\u003eThe valve can be manufactured according to applicable BS 5163 or DIN 3352 F4\/F5 requirements based on the selected specification.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCorrosion-Resistant Protection\u003c\/strong\u003e\u003cbr\u003eProtective coating options help improve resistance to corrosion in water pipeline environments.\u003c\/p\u003e\n\u003ch3 class=\"PDq2pG_selectionAnchorContainer\"\u003eHow Does an NRS Resilient Seated Gate Valve Work?\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp\u003eA non-rising stem (NRS) gate valve controls pipeline flow by moving a wedge vertically against the flow passage. When the handwheel is operated, the stem rotates while remaining inside the valve body. The wedge moves upward to open the passage or downward to close it.\u003c\/p\u003e\n\u003cp\u003eWhen fully closed, the resilient EPDM seat provides tight sealing around the wedge, helping prevent water from passing through the valve.\u003c\/p\u003e\n\u003cp\u003eUnlike a rising stem gate valve, the stem of an NRS gate valve does not move vertically outside the valve body. This makes the NRS design particularly useful where installation space above the valve is limited.\u003c\/p\u003e\n\u003ch3 class=\"PDq2pG_selectionAnchorContainer\"\u003eApplications\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp\u003eThis resilient seated NRS gate valve is commonly used for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMunicipal water supply networks\u003c\/li\u003e\n\u003cli\u003ePotable water distribution\u003c\/li\u003e\n\u003cli\u003eWater treatment plants\u003c\/li\u003e\n\u003cli\u003eWaterworks and utility pipelines\u003c\/li\u003e\n\u003cli\u003ePumping stations\u003c\/li\u003e\n\u003cli\u003eIrrigation systems\u003c\/li\u003e\n\u003cli\u003eIndustrial water pipelines\u003c\/li\u003e\n\u003cli\u003eUnderground water distribution systems\u003c\/li\u003e\n\u003cli\u003eWastewater and general water service applications*\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"PDq2pG_selectionAnchorContainer\"\u003eStandards \u0026amp; Pressure Ratings\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp\u003eThe valve can be supplied in different configurations according to the required design standard and pressure rating.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBS 5163\u003c\/strong\u003e\u003cbr\u003eBritish Standard covering dimensions and requirements for resilient seated cast iron and ductile iron gate valves for water supply purposes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDIN 3352 F4\/F5\u003c\/strong\u003e\u003cbr\u003eGerman standard designations commonly associated with resilient seated gate valves for water applications, with F4 and F5 configurations differing in face-to-face dimensions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePN10 \/ PN16\u003c\/strong\u003e\u003cbr\u003ePN10 and PN16 indicate nominal pressure classes used for selecting valves according to the design pressure and applicable pipeline standard.\u003c\/p\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"last:pe-10\"\u003eComponent\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eRecommended Material\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003eDuctile Iron GGG50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBonnet\u003c\/td\u003e\n\u003ctd\u003eDuctile Iron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWedge\u003c\/td\u003e\n\u003ctd\u003eDuctile Iron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWedge Coating\u003c\/td\u003e\n\u003ctd\u003eEPDM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStem\u003c\/td\u003e\n\u003ctd\u003eStainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStem Seal\u003c\/td\u003e\n\u003ctd\u003eEPDM \/ NBR*\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFasteners\u003c\/td\u003e\n\u003ctd\u003eStainless Steel \/ Carbon Steel*\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3 class=\"PDq2pG_selectionAnchorContainer\"\u003eHow to Select the Right Gate Valve\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp\u003eWhen selecting a ductile iron resilient seated gate valve, consider the following factors:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e1. Nominal Diameter (DN)\u003c\/strong\u003e\u003cbr\u003eSelect the valve size according to the connected pipeline and required flow capacity.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2. Pressure Rating\u003c\/strong\u003e\u003cbr\u003eChoose PN10 or PN16 according to the maximum operating pressure and applicable pipeline requirements.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3. Connection Standard\u003c\/strong\u003e\u003cbr\u003eConfirm the flange dimensions and drilling pattern before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4. Valve Standard\u003c\/strong\u003e\u003cbr\u003eSpecify whether the project requires BS 5163, DIN 3352 F4\/F5 or another applicable standard.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5. Sealing Material\u003c\/strong\u003e\u003cbr\u003eEPDM is commonly selected for water service, subject to the working medium, temperature and certification requirements.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e6. Installation Space\u003c\/strong\u003e\u003cbr\u003eChoose an NRS configuration where limited vertical clearance makes a rising stem design unsuitable.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Hebei Chihao Pipeline Equipment Co., Ltd.","offers":[{"title":"Default Title","offer_id":47223782834349,"sku":null,"price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/0470\/6221\/files\/01_aee87dad-ad91-4401-b092-fcb8bb0c30d8.png?v=1786698261","url":"https:\/\/chihaoflange.com\/products\/products-ductile-iron-resilient-seated-gate-valve","provider":"Hebei Chihao Pipeline Equipment Co., Ltd.","version":"1.0","type":"link"}