{"product_id":"mermade-48-tubular-keene-bowser-leaf-only","title":"Mermade 48\" Tubular Keene-Bowser, Leaf Only","description":"\u003cp 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\"\u003eMer-Made 48\" Tubular Vacuum DE Filter Element (Keene-Bowser Replacement) — Leaf Only\u003c\/b\u003e\u003cspan\u003e (also cataloged as the \u003c\/span\u003e\u003cb data-path-to-node=\"0\" data-index-in-node=\"112\"\u003eBare Core Tube\u003c\/b\u003e\u003cspan\u003e,\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cb data-path-to-node=\"0\" data-index-in-node=\"128\"\u003eSupport Candle\u003c\/b\u003e\u003cspan\u003e,\u003c\/span\u003e\u003cspan\u003e or \u003c\/span\u003e\u003cb data-path-to-node=\"0\" data-index-in-node=\"147\"\u003eCore Assembly\u003c\/b\u003e\u003cspan\u003e) consists of the fully assembled rigid perforated\/slotted drainage cylinder,\u003c\/span\u003e\u003cspan\u003e blind top end-cap,\u003c\/span\u003e\u003cspan\u003e and bottom discharge base fitting,\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cb data-path-to-node=\"0\" data-index-in-node=\"292\"\u003eexcluding the tubular fabric filter sleeve (cloth sock) and base sealing gasket\/O-ring\u003c\/b\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"1\"\u003e\u003cspan\u003eThis configuration is engineered for extended-depth tubular vacuum DE tanks and deep tube-sheet vessels retrofitting legacy \u003c\/span\u003e\u003cb data-path-to-node=\"1\" data-index-in-node=\"124\"\u003eKeene-Bowser (Bowser-Briggs \/ Keene Corporation)\u003c\/b\u003e\u003cspan\u003e installations.\u003c\/span\u003e\u003cspan\u003e It is specified when existing 48\" cloth sleeves are being transferred,\u003c\/span\u003e\u003cspan\u003e when replacement sleeves are sourced from bulk inventory,\u003c\/span\u003e\u003cspan\u003e or when replacing bowed,\u003c\/span\u003e\u003cspan\u003e cracked,\u003c\/span\u003e\u003cspan\u003e or chemically fatigued support candles across the element bank.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"3\"\u003eTechnical Specifications \u0026amp; Scope of Delivery\u003c\/h3\u003e\n\u003ctable data-path-to-node=\"4\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter \/ Detail\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=\"4,1,0,0\"\u003e\u003cb data-path-to-node=\"4,1,0,0\" data-index-in-node=\"0\"\u003eModel \/ Application\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,1,1,0\"\u003eMer-Made Rigid Extended Tubular Vacuum DE Core (Keene-Bowser Retrofit)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,2,0,0\"\u003e\u003cb data-path-to-node=\"4,2,0,0\" data-index-in-node=\"0\"\u003eConfiguration\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,2,1,0\"\u003e\u003cb data-path-to-node=\"4,2,1,0\" data-index-in-node=\"0\"\u003eLeaf Only\u003c\/b\u003e (Bare support tube, top cap, and base fitting; no cloth sleeve, no seal)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,3,0,0\"\u003e\u003cb data-path-to-node=\"4,3,0,0\" data-index-in-node=\"0\"\u003eNominal Dimensions\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,3,1,0\"\u003e\u003cb data-path-to-node=\"4,3,1,0\" data-index-in-node=\"0\"\u003e48\" Overall Length × 2-1\/2\" to 3\" Outer Diameter\u003c\/b\u003e (approx. 1219 mm L × 63–76 mm OD)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,4,0,0\"\u003e\u003cb data-path-to-node=\"4,4,0,0\" data-index-in-node=\"0\"\u003eEffective Filtration Surface Area\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,4,1,0\"\u003e\u003cb data-path-to-node=\"4,4,1,0\" data-index-in-node=\"0\"\u003e2.6 to 3.1 sq. ft.\u003c\/b\u003e nominal (when clothed)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,5,0,0\"\u003e\u003cb data-path-to-node=\"4,5,0,0\" data-index-in-node=\"0\"\u003eInternal Flow Architecture\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,5,1,0\"\u003eOutside-in radial drainage through slotted\/perforated cylinder walls; axial discharge via bottom base\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,6,0,0\"\u003e\u003cb data-path-to-node=\"4,6,0,0\" data-index-in-node=\"0\"\u003eDischarge Fitting \/ Base Style\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,6,1,0\"\u003e\u003cb data-path-to-node=\"4,6,1,0\" data-index-in-node=\"0\"\u003e1\" to 1-1\/4\" NPT Male Threaded Hub\u003c\/b\u003e or \u003cb data-path-to-node=\"4,6,1,0\" data-index-in-node=\"38\"\u003eSmooth IPS Drop Spud\u003c\/b\u003e (Keene-Bowser profile)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,7,0,0\"\u003e\u003cb data-path-to-node=\"4,7,0,0\" data-index-in-node=\"0\"\u003eTop Closure Construction\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,7,1,0\"\u003eMolded rigid thermoplastic blind top cap with integral tie-rod centering\/stabilizer pin\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,8,0,0\"\u003e\u003cb data-path-to-node=\"4,8,0,0\" data-index-in-node=\"0\"\u003eIncluded Components\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"4,8,1,0\"\u003e• Rigid heavy-wall Schedule 80 PVC or polypropylene slotted\/perforated support cylinder\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr data-path-to-node=\"5\"\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"6\"\u003e\u003cspan\u003e• Factory-welded blind top end-cap with alignment guide\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr data-path-to-node=\"7\"\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"8\"\u003e\u003cspan\u003e• Injection-molded,\u003c\/span\u003e\u003cspan\u003e gusseted bottom discharge base hub with integrated locating\/stop shoulder | | \u003c\/span\u003e\u003cb data-path-to-node=\"8\" data-index-in-node=\"98\"\u003eExcluded Components\u003c\/b\u003e\u003cspan\u003e | • 48\" Tubular synthetic fabric filter sleeve \/ cloth sock (Part # 775-COVER \/ VFC-48TB)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr data-path-to-node=\"9\"\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"10\"\u003e\u003cspan\u003e• Top\/bottom stainless steel or nylon retention band clamps\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr data-path-to-node=\"11\"\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"12\"\u003e\u003cspan\u003e• Base Buna-N\/EPDM O-ring,\u003c\/span\u003e\u003cspan\u003e flat gasket,\u003c\/span\u003e\u003cspan\u003e or felt collar |\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"14\"\u003eStructural Design \u0026amp; Internal Core Mechanics\u003c\/h3\u003e\n\u003cul data-path-to-node=\"15\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"15,0,0\"\u003e\u003cb data-path-to-node=\"15,0,0\" data-index-in-node=\"0\"\u003eCrush-Resistant Core Cylinder:\u003c\/b\u003e\u003cspan\u003e Extruded Schedule 80 thermoplastic cylinder engineered with continuous axial drainage slots or radial perforations.\u003c\/span\u003e\u003cspan\u003e Designed to resist negative vacuum pressures up to 15\" Hg across a full 48\" span without radial collapse,\u003c\/span\u003e\u003cspan\u003e buckling,\u003c\/span\u003e\u003cspan\u003e or restricting inner flow channels.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"15,1,0\"\u003e\u003cb data-path-to-node=\"15,1,0\" data-index-in-node=\"0\"\u003eWelded Blind Top Cap:\u003c\/b\u003e\u003cspan\u003e Heavy-gauge thermoplastic end-cap solvent- or thermo-welded to the top of the cylinder.\u003c\/span\u003e\u003cspan\u003e Features an extended alignment pin or center boss designed to interface with upper stability grids and tie-down spiders,\u003c\/span\u003e\u003cspan\u003e preventing lateral deflection or vibration under surge conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"15,2,0\"\u003e\u003cb data-path-to-node=\"15,2,0\" data-index-in-node=\"0\"\u003eThreaded or Spud Base Adapter:\u003c\/b\u003e\u003cspan\u003e Heavy-duty molded PVC discharge adapter welded to the cylinder base.\u003c\/span\u003e\u003cspan\u003e Engineered to handle installation torques without shearing and fitted with an integral shoulder to establish positive stop alignment against the tube sheet or collection manifold.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"17\"\u003eWeights \u0026amp; Packaging Estimates\u003c\/h3\u003e\n\u003cul data-path-to-node=\"18\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"18,0,0\"\u003e\u003cb data-path-to-node=\"18,0,0\" data-index-in-node=\"0\"\u003eIndividual Bare Tube Net Weight:\u003c\/b\u003e\u003cspan\u003e Approximately \u003c\/span\u003e\u003cb data-path-to-node=\"18,0,0\" data-index-in-node=\"47\"\u003e3.8 to 4.8 lbs (1.7 to 2.2 kg)\u003c\/b\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"18,1,0\"\u003e\u003cb data-path-to-node=\"18,1,0\" data-index-in-node=\"0\"\u003eSingle Boxed Tube Shipping Weight:\u003c\/b\u003e\u003cspan\u003e Approximately \u003c\/span\u003e\u003cb data-path-to-node=\"18,1,0\" data-index-in-node=\"49\"\u003e5.8 to 7.0 lbs (2.6 to 3.2 kg)\u003c\/b\u003e\u003cspan\u003e in heavy-duty triangular or square shipping cartons.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"18,2,0\"\u003e\u003cb data-path-to-node=\"18,2,0\" data-index-in-node=\"0\"\u003eMaster Carton \/ Bulk Pack (12 to 24 Bare Tubes):\u003c\/b\u003e\u003cspan\u003e Approximately \u003c\/span\u003e\u003cb data-path-to-node=\"18,2,0\" data-index-in-node=\"63\"\u003e55 to 105 lbs (25 to 48 kg)\u003c\/b\u003e\u003cspan\u003e in bulk reinforced corrugated multi-packs.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"20\"\u003eField Clothing \u0026amp; Installation Steps\u003c\/h3\u003e\n\u003col start=\"1\" data-path-to-node=\"21\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"21,0,0\"\u003e\u003cb data-path-to-node=\"21,0,0\" data-index-in-node=\"0\"\u003eCore Surface Check:\u003c\/b\u003e\u003cspan\u003e Inspect the cylinder surface,\u003c\/span\u003e\u003cspan\u003e slots,\u003c\/span\u003e\u003cspan\u003e and welded caps for sharp plastic flash,\u003c\/span\u003e\u003cspan\u003e burrs,\u003c\/span\u003e\u003cspan\u003e or cracking that could puncture or abrade a new fabric sleeve during installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"21,1,0\"\u003e\u003cb data-path-to-node=\"21,1,0\" data-index-in-node=\"0\"\u003eSleeving the Sock:\u003c\/b\u003e\u003cspan\u003e Slide the tubular woven polypropylene filter sock over the blind top cap,\u003c\/span\u003e\u003cspan\u003e pulling it down smoothly along the 48\" cylinder until the lower hem reaches the base hub shoulder.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"21,2,0\"\u003e\u003cb data-path-to-node=\"21,2,0\" data-index-in-node=\"0\"\u003eClamping \u0026amp; Tensioning:\u003c\/b\u003e\u003cspan\u003e Smooth out all wrinkles and axial twists.\u003c\/span\u003e\u003cspan\u003e Secure the bottom edge using a 316 stainless steel worm-gear clamp or heavy-duty nylon band directly above the base shoulder.\u003c\/span\u003e\u003cspan\u003e Pull the top of the sleeve taut over the blind cap and clamp or tie off the upper hem.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"21,3,0\"\u003e\u003cb data-path-to-node=\"21,3,0\" data-index-in-node=\"0\"\u003eBase Seal Mounting:\u003c\/b\u003e\u003cspan\u003e For push-in style spuds,\u003c\/span\u003e\u003cspan\u003e fit a new elastomeric O-ring or felt compression collar against the stop shoulder.\u003c\/span\u003e\u003cspan\u003e For threaded hubs,\u003c\/span\u003e\u003cspan\u003e apply PTFE thread tape or approved paste sealant to the male threads.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"21,4,0\"\u003e\u003cb data-path-to-node=\"21,4,0\" data-index-in-node=\"0\"\u003eSeating in Manifold:\u003c\/b\u003e\u003cspan\u003e Thread or press the element into the Keene-Bowser tube-sheet receiver.\u003c\/span\u003e\u003cspan\u003e If threading,\u003c\/span\u003e\u003cspan\u003e apply torque only at the hex\/wrench flats of the base fitting—never twist the perforated cylinder body.\u003c\/span\u003e\u003cspan\u003e Secure the top spacer grid over the upper cap pins.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Commercial Pool and Spa Supplies","offers":[{"title":"Default Title","offer_id":68168012431471,"sku":"DE-48TKBLO","price":1695.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0678\/3785\/3807\/files\/mermade-filter-fiberglass-commercial-pool-filter-in-operation-474-474.jpg?v=1793718890","url":"https:\/\/commercialpoolandspasupplies.com\/products\/mermade-48-tubular-keene-bowser-leaf-only","provider":"Commercial Pool and Spa Supplies ","version":"1.0","type":"link"}