{"product_id":"12-fvd-double-arm-float-valve-open-pipe","title":"12\" FVD Double Arm Float Valve - Open Pipe","description":"\u003cp dir=\"ltr\" data-path-to-node=\"0\" class=\"first-token\"\u003e\u003cspan class=\"\"\u003eThe \u003c\/span\u003e\u003cb data-path-to-node=\"0\" data-index-in-node=\"4\"\u003e12\" FVD Double Arm Float Valve – Open Pipe\u003c\/b\u003e\u003cspan\u003e (also cataloged as \u003c\/span\u003e\u003cb data-path-to-node=\"0\" data-index-in-node=\"66\"\u003e12FVDP-OP\u003c\/b\u003e\u003cspan\u003e in standard commercial PVC aquatic flow-control lines) is an extra-heavy-duty,\u003c\/span\u003e\u003cspan\u003e balanced-leverage,\u003c\/span\u003e\u003cspan\u003e maximum-bore mechanical water-level control valve engineered for mega-capacity commercial aquatic surge tanks,\u003c\/span\u003e\u003cspan\u003e collector pits,\u003c\/span\u003e\u003cspan\u003e balance tanks,\u003c\/span\u003e\u003cspan\u003e and open-channel gravity return systems.\u003c\/span\u003e\u003cspan\u003e Installed directly onto an open-ended 12-inch horizontal or downward-turned gravity return pipe stub inside a surge pit,\u003c\/span\u003e\u003cspan\u003e the dual-arm yoke architecture distributes massive closing forces symmetrically across the 12-inch valve disc—eliminating side-loading,\u003c\/span\u003e\u003cspan\u003e torsional twisting,\u003c\/span\u003e\u003cspan\u003e and premature seat wear under elevated gravity static heads or severe hydraulic surge conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable data-path-to-node=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"1,1,0,0\"\u003e\u003cb data-path-to-node=\"1,1,0,0\" data-index-in-node=\"0\"\u003eEquipment \/ Part Reference\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"1,1,1,0\"\u003e12\" FVD Double Arm Float Valve – Open Pipe (\u003cb data-path-to-node=\"1,1,1,0\" data-index-in-node=\"44\"\u003e12FVDP-OP\u003c\/b\u003e)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"1,2,0,0\"\u003e\u003cb data-path-to-node=\"1,2,0,0\" data-index-in-node=\"0\"\u003eNominal Pipe Size\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"1,2,1,0\"\u003e12.0 in (300 mm \/ DN300)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"1,3,0,0\"\u003e\u003cb data-path-to-node=\"1,3,0,0\" data-index-in-node=\"0\"\u003eInlet Connection Type\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"1,3,1,0\"\u003eOpen-Pipe Mount: Female Slip Socket (Schedule 40\/80 IPS, 12.750\" ID socket) or Slide-On Locking Hub for bare 12.0\" nominal (12.750\" actual OD) open pipe end\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"1,4,0,0\"\u003e\u003cb data-path-to-node=\"1,4,0,0\" data-index-in-node=\"0\"\u003eDischarge Configuration\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"1,4,1,0\"\u003eUnobstructed Open-Discharge \/ Free-Fall Port (zero downstream backpressure)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"1,5,0,0\"\u003e\u003cb data-path-to-node=\"1,5,0,0\" data-index-in-node=\"0\"\u003eActuation Mechanism\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"1,5,1,0\"\u003eMechanical Double-Arm Yoke Lever Linkage (symmetrical dual-side extra-heavy-duty arms providing balanced axial closing force; requires no electricity or compressed air)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"1,6,0,0\"\u003e\u003cb data-path-to-node=\"1,6,0,0\" data-index-in-node=\"0\"\u003eValve Body \u0026amp; Housing Material\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"1,6,1,0\"\u003eHeavy-duty machined Schedule 80 PVC, CPVC, or structural reinforced FRP composite\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"1,7,0,0\"\u003e\u003cb data-path-to-node=\"1,7,0,0\" data-index-in-node=\"0\"\u003ePivot Arms \u0026amp; Linkage Hardware\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"1,7,1,0\"\u003eDual extra-heavy-gauge 316 Marine-Grade Stainless Steel arms, structural cross-yoke, machined pivot clevises, hinge pins, and locknuts (eliminates torsional deflection and galvanic corrosion)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"1,8,0,0\"\u003e\u003cb data-path-to-node=\"1,8,0,0\" data-index-in-node=\"0\"\u003eFloat Ball \/ Buoyancy Element\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"1,8,1,0\"\u003eHeavy-wall seamless Polyethylene (HDPE), Polypropylene, or 316 Stainless Steel oversized spherical\/cylindrical float (typically 18\" to 20\" diameter, or high-buoyancy dual-float assembly, to generate required closing torque on a 12\" bore)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"1,9,0,0\"\u003e\u003cb data-path-to-node=\"1,9,0,0\" data-index-in-node=\"0\"\u003eSeat \u0026amp; Disc Seal Material\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"1,9,1,0\"\u003eReplaceable thick-wall EPDM or Neoprene elastomer disc \/ flapper seal for drip-tight shutoff\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"1,10,0,0\"\u003e\u003cb data-path-to-node=\"1,10,0,0\" data-index-in-node=\"0\"\u003eRecommended Gravity Flow Capacity\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"1,10,1,0\"\u003eApprox. 1,800 to 3,600+ US gpm (408.8 to 817.6+ m³\/h) at standard gravity head (1 to 4 ft water column)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"1,11,0,0\"\u003e\u003cb data-path-to-node=\"1,11,0,0\" data-index-in-node=\"0\"\u003eMaximum Operating Pressure\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"1,11,1,0\"\u003e15 to 25 psi (1.03 to 1.72 bar) — engineered specifically for ultra-high-volume, low-head gravity gutter and collector mains\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"1,12,0,0\"\u003e\u003cb data-path-to-node=\"1,12,0,0\" data-index-in-node=\"0\"\u003eOperating Temperature Range\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"1,12,1,0\"\u003e32°F to 120°F (0°C to 49°C)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"1,13,0,0\"\u003e\u003cb data-path-to-node=\"1,13,0,0\" data-index-in-node=\"0\"\u003eLevel Adjustment Range\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"1,13,1,0\"\u003eIndexed dual-pivot clevises and adjustable float rod pitch allow precise field calibration of shutoff water elevation (+\/- 4 to 8 in)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"1,14,0,0\"\u003e\u003cb data-path-to-node=\"1,14,0,0\" data-index-in-node=\"0\"\u003eCompliance \/ Standards\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"1,14,1,0\"\u003eNSF\/ANSI Standard 50 compatible materials; meets Model Aquatic Health Code (MAHC) surge tank overflow protection guidelines\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 dir=\"ltr\" data-path-to-node=\"2\"\u003eHydraulic \u0026amp; Mechanical Operating Details\u003c\/h3\u003e\n\u003cul dir=\"ltr\" data-path-to-node=\"3\"\u003e\n\u003cli\u003e\n\u003cp dir=\"ltr\" data-path-to-node=\"3,0,0\"\u003e\u003cb data-path-to-node=\"3,0,0\" data-index-in-node=\"0\"\u003eMaximum-Capacity Gravity Throughput:\u003c\/b\u003e\u003cspan\u003e With a 12-inch nominal bore (113.\u003c\/span\u003e\u003cspan\u003e1 sq.\u003c\/span\u003e\u003cspan\u003e in.\u003c\/span\u003e\u003cspan\u003e cross-sectional flow area—44% larger than a 10\" valve and more than double an 8\" valve),\u003c\/span\u003e\u003cspan\u003e this unit accommodates the highest-volume perimeter overflow gutter collectors on Olympic 50-meter competition complexes,\u003c\/span\u003e\u003cspan\u003e multi-pool municipal aquatic centers,\u003c\/span\u003e\u003cspan\u003e surf lagoons,\u003c\/span\u003e\u003cspan\u003e and major water park wave pools without creating upstream hydraulic backup in deck channels.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp dir=\"ltr\" data-path-to-node=\"3,1,0\"\u003e\u003cb data-path-to-node=\"3,1,0\" data-index-in-node=\"0\"\u003eMandatory Double-Arm Geometry on 12-Inch Bores:\u003c\/b\u003e\u003cspan\u003e Across a 113.\u003c\/span\u003e\u003cspan\u003e1 sq.\u003c\/span\u003e\u003cspan\u003e in.\u003c\/span\u003e\u003cspan\u003e orifice area,\u003c\/span\u003e\u003cspan\u003e even modest gravity head creates substantial hydraulic seating loads that would immediately twist or bind a single-arm assembly.\u003c\/span\u003e\u003cspan\u003e The \u003c\/span\u003e\u003cb data-path-to-node=\"3,1,0\" data-index-in-node=\"218\"\u003e12\" FVD Double Arm\u003c\/b\u003e\u003cspan\u003e straddles both sides of the valve housing with twin extra-heavy-gauge 316 stainless steel arms tied into a rigid structural cross-yoke,\u003c\/span\u003e\u003cspan\u003e translating buoyancy from the 18\"–20\" float into uniform,\u003c\/span\u003e\u003cspan\u003e perpendicular closing force against the EPDM seat.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp dir=\"ltr\" data-path-to-node=\"3,2,0\"\u003e\u003cb data-path-to-node=\"3,2,0\" data-index-in-node=\"0\"\u003eOpen-Pipe Installation:\u003c\/b\u003e\u003cspan\u003e Built specifically for installations where the 12\" perimeter gutter or main-drain gravity collector terminates cleanly inside the surge tank wall without a bolted ANSI flange.\u003c\/span\u003e\u003cspan\u003e The female PVC hub slips directly onto the 12\" pipe stub and is secured via PVC solvent cement or stainless steel mechanical locking bolts.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp dir=\"ltr\" data-path-to-node=\"3,3,0\"\u003e\u003cb data-path-to-node=\"3,3,0\" data-index-in-node=\"0\"\u003eShipping Weight:\u003c\/b\u003e\u003cspan\u003e Approx.\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cb data-path-to-node=\"3,3,0\" data-index-in-node=\"25\"\u003e68 to 95 lbs (30.8 to 43.1 kg)\u003c\/b\u003e\u003cspan\u003e complete with 12\" valve body,\u003c\/span\u003e\u003cspan\u003e dual extra-heavy-duty 316 SS pivot arms,\u003c\/span\u003e\u003cspan\u003e cross-yoke linkage hardware,\u003c\/span\u003e\u003cspan\u003e and oversized float ball.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Commercial Pool and Spa Supplies","offers":[{"title":"Default Title","offer_id":68344033607791,"sku":"12FVD-OP","price":3397.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0678\/3785\/3807\/files\/415F32_AS01.jpg?v=1794498507","url":"https:\/\/commercialpoolandspasupplies.com\/products\/12-fvd-double-arm-float-valve-open-pipe","provider":"Commercial Pool and Spa Supplies ","version":"1.0","type":"link"}