{"product_id":"maxim-m200n-double-check-valve-assembly","title":"Maxim M200N Double Check Valve Assembly","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eThe Ames Maxim M200N N-pattern double check assembly protects against backpressure and backsiphonage in non-health-hazard applications. Its stainless-steel housing contains two independent Tri-Link Check modules, with four test cocks and shutoffs in the selected configuration. This is not a detector assembly with a metered bypass.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e304 Schedule 40 stainless-steel housing and sleeve access port.\u003c\/li\u003e\n\u003cli\u003eTri-Link Check modules are serviceable without special tools, after prescribed isolation and depressurization.\u003c\/li\u003e\n\u003cli\u003eOS\u0026amp;Y gate and BFG grooved butterfly shutoff options are listed.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable border=\"1\" cellpadding=\"6\" cellspacing=\"0\" style=\"border-collapse:collapse;width:100%\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eDetail\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eManufacturer \/ Model\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eAmes Fire \u0026amp; Waterworks Maxim M200N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eListed Sizes\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e2½, 3, 4, 6 and 8 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eBody \/ Pattern\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e304 Schedule 40 stainless-steel housing; N-pattern\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eMaximum Working Pressure\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e175 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eWater Temperature Range\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e33°F–110°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eCheck Modules\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eTwo independent Tri-Link Checks with reversible elastomer discs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eShutoffs \/ External Ends\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eOS\u0026amp;Y gate or BFG grooved butterfly options. Confirm complete external connections; grooved housing ends do not establish all external piping ends\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eWater Service \/ Lead Content\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eSelect for non-health-hazard service and verify supplied assembly suitability. Do not interpret a lead-content criterion as zero lead or universal water-service approval\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eApprovals \/ Supervision\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eExact supplied size, orientation, shutoff approval and switch inclusion require confirmation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eSubmittal \u0026amp; Installation Note:\u003c\/strong\u003e Confirm the exact ordering code, connection dimensions, accepted orientation and approval scope against manufacturer documentation and local AHJ \/ water-authority requirements. Isolate and depressurize before internal service as instructed; in-line serviceability does not mean uninterrupted protected-line flow. Product-family data does not certify a particular installation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDocumentation:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.watts.com\/dfsmedia\/0533dbba17714b1ab581ab07a4cbb521\/35099-source\/639218730140000000\/es-a-m200-m200n.pdf\"\u003eAmes M200 \/ M200N engineering specification\u003c\/a\u003e\u003c\/p\u003e","brand":"Ames Backflows","offers":[{"title":"2-1\/2 in. \/ BFG","offer_id":46372253073656,"sku":"M200NBFG-0250","price":8368.99,"currency_code":"USD","in_stock":true},{"title":"2-1\/2 in. \/ OSY","offer_id":46372253106424,"sku":"M200NOSY-0250","price":7695.99,"currency_code":"USD","in_stock":true},{"title":"3 in. \/ BFG","offer_id":46372253139192,"sku":"M200NBFG-0300","price":8224.99,"currency_code":"USD","in_stock":true},{"title":"3 in. \/ OSY","offer_id":46372253171960,"sku":"M200NOSY-0300","price":7543.99,"currency_code":"USD","in_stock":true},{"title":"4 in. \/ BFG","offer_id":46372253204728,"sku":"M200NBFG-0400","price":10432.99,"currency_code":"USD","in_stock":true},{"title":"4 in. \/ OSY","offer_id":46372253237496,"sku":"M200NOSY-0400","price":9584.99,"currency_code":"USD","in_stock":true},{"title":"6 in. \/ BFG","offer_id":46372253270264,"sku":"M200NBFG-0600","price":16646.99,"currency_code":"USD","in_stock":true},{"title":"6 in. \/ OSY","offer_id":46372253303032,"sku":"M200NOSY-0600","price":15274.99,"currency_code":"USD","in_stock":true},{"title":"8 in. \/ BFG","offer_id":46372253335800,"sku":"M200NBFG-0800","price":28009.99,"currency_code":"USD","in_stock":true},{"title":"8 in. \/ OSY","offer_id":46372253368568,"sku":"M200NOSY-0800","price":25704.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0682\/7183\/3336\/files\/maxim-series-m200n-dbl-chk-vlv-assy-731102.jpg?v=1775619733","url":"https:\/\/fireprotectionparts.net\/products\/maxim-m200n-double-check-valve-assembly","provider":"Fire Protection Parts","version":"1.0","type":"link"}