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%'SATIONAL LINErm NATIONAL LINE"` VERTICAL FILTER SYSTEMS MODEL SELECTION The National Liner`' Vertical Filter Systems are available in sixteen (16) diameters ranging from 30" to 120". They are available in 50 or 100 psi operating pressures with filter bed depths of 17" to 27'. This provides a wide range of filter bed surface areas from 4.9 up to 78.5 sq. ft. in 42 different models. All National LineTM Vertical Filter Systems can be used with multiple types of granular media or one (1) single grade of # 20 or # 30 silica sand. The NFS-Vertical filtration system with a 27" usable filter media bed depth and can be used in multi-medi configurations. NSF International, for single tank flow capacities, certifies all National Linerm Vertical Filter Systems to NSF/ ANSI Standard 50 for both pool and spa applications from 24.5 to 1,570 U.S.G.P.M. SELECTION OPTIONS NFS-VERTICAL SERIES Model # Tank Diameter Inches Filter area Ft2 Filter Bate 5 to 20 USGPM/Sq. Ft. Backwash Rate USGPM Pipe Size Inches NFS-30-XXX-049V-X-X 30 4.9 24.5 to 98 73.5 3 NFS-34-XXX-063V-X-X 34 6.3 31.5 to 126 94.5 3 NFS-42-XXX-069V-X-X 42 9.6 48 144 NFS-48-XXX-126V-X-X 48 Q63 to 189 3 NFS-54-XXX-159V-X-X 54 79.5 to 318 238.5 4 NFS-60-XXX-196V-X-X 60 19.6 98 to 392 294 4 NFS-66-XXX-237V-X-X 66 23.7 118.5 to 474 355.5 4 NFS-72-XXX-282V-X-X 72 28.2 141 to 564 423 6 NFS-78-XXX-332V-X-X 78 33.2 166 to 664 498 6 NFS-84-XXX-385V-X-X 84 38.2 1 192.5 to 770 577.5 6 NFS-90-XXX-442V-X-X 90 44.2 221 to 884 663 6 NFS-96-XXX-502V-X-X 96 50.2 251 to 1,004 753 6 NFS-102-XXX-567V-X-X 102 56.7 283.5 to 1,134 850.5 8 NFS-108-XXX-635V-X-X 108 63.5 317.5 to 1,270 952.5 8 NFS-114-XXX-708V-X-X 114 70.8 354 to 1,416 1,062 8 NFS-120-XXX-785V-X-X 1 120 78.5 392.5 to 1,570 1,177.5 8 Note: NFS-xx-XXX-xxxx-x Version Options: When ordering filters the N£S-xx-XXX-xxxx-x shown in the model =her should be replaced with 050 - 50 psi operating pressure, 100 = 100 psi operating pressure. NFS-xx-xxx -xxx X -x Version Option: When ordering filters; the NFS-xx-xxx-xxxX-x shown in the model number should be replaced with S for 17" filter bed depth; D for 27" filter bed depth. NFS-xx-xxx-xxxx-X Version Option: indicates number of filters operating in parallel in a bank of filters Filter Media and Pumping Equipment: NOT included with the filter tanks. Certifications: National Linerm NFS-Series Vertical Filters are certified by NSF international to NSF / ANSI Standard 50 for: - Pool and Spa applications - Filtration rates of 5 to 20 U.S. GPM / R2 of filter area - For use with # 20 grade silica said or Zmbrite® zeolite - Fresh water/ salt water applications - Operating valves and connecting piping are individually listed under Valves or Materials and Components in ANSI/ NSF -Standard 50 and meet or exceed the testing protocol established for the filter tank ENGINEERING NOTES: All National LineT"' NFS Filter Systems will have vaa%�Ihead loss that is dependent upon filter media and operational flow rates. Filters should be backwashed when 15 to 17 PS is indicated on the influent and effluent ressure gauges. When sizing the train circulation pump, calculate maximum head loss at 15 to 20 PSIG through the filter andpface piping. / EMATO CORP. March 10 1605 McEwen Dr., Whitby, Ont., Can. LIN 71_4 Tel: (800) 361-5025 or (905) 571-5305 Fax: (905) 571-3935 www.nemato.com mail@nemato.com