Flow Meters - Rotameter Flowmeters for RO SystemsBenefitsDetailsFeaturesApplicationsParts & AccessoriesLiteratureBenefitsBenefits of Rotameter Flowmeters for Commercial RO SystemsMonitor the Flow Rate of Any Water Stream in a Water Treatment SystemDual Rated for GPM & LPMAvailable in Panel Mounted or In-Line Installation Style  Back to TopDetailsKing Rotameter Flow MetersPanel Mounted  Series 7520Model No.Conn. (in)Range (GPM)I-FM01P4FNPT,Website: ,  MNPT0-1I-FM02P4FNPT,  MNPT.2-2I-FM05P4FNPT,  MNPT1-5I-FM10P41 MNPT1-10I-FM20P41 MNPT2-20In-Line  Series 7510Model No.Conn. (in)Range (GPM)I-FM02INFNPT0-2I-FM05INFNPT0-5I-FM10IN1 FNPT0-10I-FM20IN1 FNPT0-20I-FM40IN1  FNPT0-40I-FM50IN1  FNPT0-50I-FM60IN2 FNPT6-60I-FM80IN2 FNPT10-80I-FM100IN2 FNPT20-100Blue-White F-550 Acrylic Block Panel Mount Rotameters, Dual Scale (GPM & LPM)Durable, highly polished, one piece meter body.Bulkhead nuts attach directly to inside panel.Direct reading permanent scale.White back reflector for easy reading.Optional flow control needle-type adjustment valve.316 stainless, PTFE or Hastelloy floats and float guides.Acceptable in direct sunlight applications.Model No.Conn. (in.)Range (GPM)TypeMounting TypeF-55250L0.025-0.250Acrylic BlockPanel MountF-53375L0.1-1Acrylic BlockPanel MountF-55376L0.2-2Acrylic BlockPanel MountF-55500L0.5-5Acrylic BlockPanel MountF-55750L1-10Acrylic BlockPanel MountF-55005L11-5Acrylic BlockPanel MountF-55010L11-10Acrylic BlockPanel MountF-55015L11-15Acrylic BlockPanel MountF-55200L12-20Acrylic BlockPanel MountBlue-White F-300 Pitot Tube Acrylic Clamp-On Insertion Mount, Saddle Rotameters, Dual Scale (GPM & LPM)Horizontal FlowWell suited for closed pipe installationsEasy to read dual scale (GPM / LPM), screen printed on both sides of the meter bodyAcceptable for outdoor installations (direct sunlight okay)Pitot Tube (impact tube) design makes it easy to install on existing pipeOne piece, machined acrylic meter body, annealed for added strength and chemical resistanceIncluded SS clamps and gasket sealFor use on PVC or Copper Pipes (refer to literature)Model No.Conn. (in.)Range (GPM)TypeMounting TypeF-30100P1  Saddle5-35Pilot Tube AcrylicSaddleF-30150P1   Saddle20-100Pilot Tube AcrylicSaddleF-30200P2  Saddle40-150Pilot Tube AcrylicSaddleF-30600P6  Saddle250-1050Pilot Tube AcrylicSaddleBlue-White F-400N Acrylic Tube In-Line Rotameters, Dual Scale (GPM & LPM)Tough machined acrylic meter body, highly polished to a clear finish.Direct reading permanent scale.White or yellow back reflector for easy reading.*FNPT adapters with high grade Viton o-ring seals and aluminum  stress ring  thread supports.316 stainless steel or Hastelloy rod guided floats.Acceptable in direct sunlight applications..Model No.Conn. (in.)Range (GPM)TypeTypeF-40250LN-4FNPT0.025-0.25Acrylic TubeIn-LineF-40375LN-6FNPT0.1-1Acrylic TubeIn-LineF-40500LN-6FNPT0.5-5Acrylic TubeIn-LineF-40375LN-8FNPT0.1-1Acrylic TubeIn-LineF-40376LN-8FNPT0.2-2Acrylic TubeIn-LineF-40500LN-8FNPT0.5-5Acrylic TubeIn-LineF-41017LN-12FNPT1.0-17Acrylic TubeIn-LineF-41000LN-12FNPT2.0-20Acrylic TubeIn-LineF-40750LN-161  FNPT1.0-10Acrylic TubeIn-LineF-41017LN-161  FNPT1.0-17Acrylic TubeIn-LineF-41000LN-161  FNPT2.0-20Acrylic TubeIn-LineBlue-White F-440 Polysulfone Molded Rotameter, Dual Scale (GPM & LPM)Tough Polysulfone meter body resists high temperatures and pressuresCompact size for tight installation spaces2  scale lengthIn-line or panel mount configurations available (for vertical installation)Optional integral flow adjustment valveStandard Models: 316 SS guide rodModel No.Conn. (in.)Range (GPM)TypeTypeF-44375L-81/2\" MNPT0.1-1Polysulfone MoldedIn-LineF-44376LE-81/2\" MNPT0.2-2Polysulfone MoldedPanel MountF-44376LE-63/8\" MNPT0.2-2Polysulfone MoldedPanel MountF-44500LA-81/2\" MNPT0.5-5Adjustable PolysulfonePanel MountF-44500L-81/2\" MNPT0.5-5Polysulfone MoldedIn-LineF-44500LE-81/2\" MNPT0.5-5Polysulfone MoldedPanel MountF-44750LE-81/2\" MNPT1.0-10Polysulfone MoldedPanel MountF-44750L-123/4\" MNPT1.0-10Polysulfone MoldedIn-LineF-44750LE-123/4\" MNPT1.0-10Polysulfone MoldedPanel MountF-44330LE-81/2\" MNPT3.0-30Polysulfone MoldedPanel MountBlue-White F-450 Flow Meters, Polysulfone Molded Rotameter, Dual Scale (GPM & LPM)Available in 3/8 , 1/2 , and 3/4  MNPT sizes.Injection molded, chemical resistant Polysulfone.Quik Loc (half union) connectors.Units available in configurations for in-line and panel mount installation.Optional flow control needle metering valve.Dual scale: Gallons per minute (GPM) and Liters per minute (LPM).Choice of 4  or 6  scale.Model No.Conn. (in.)Range (GPM)TypeTypeF-45375L-81/2\" MNPT0.1-1Polysulfone MoldedIn-LineF-45375L-63/8\" FNPT0.1-1Polysulfone MoldedIn-LineF-45376LE-81/2\" MNPT0.2-2Polysulfone MoldedPanel MountF-45376L-63/8\" FNPT0.2-2Polysulfone MoldedIn-LineF-45500LE-81/2\" MNPT0.5-5Polysulfone MoldedPanel MountF-45500L-63/8\" FNPT0.5-5Polysulfone MoldedIn-LineF-45750LE-81/2\" MNPT1.0-10Polysulfone MoldedPanel MountF-45750LE-123/4\" MNPT1.0-10Polysulfone MoldedPanel MountF-45750LA-123/4\" MNPT1.0-10Adjustable PolysulfonePanel MountF-45750L-123/4\" MNPT1.0-10Polysulfone MoldedIn-LineBlue-White F-451N High Volume Polysulfone Molded Rotameter, Dual Scale (GPM & LPM)A one piece impact, heat and chemical resistant Polysulfone meter body; Polysulfone adapters 2\" and 1\"; PVC 1-1/2\".Calibrations in gallons per minute, liters per minute and SCFM.Clear Polycarbonate shielded model available.Direct reading, permanent scales.Wear and corrosion resistant internal parts.FKM O-ring seals.FNPT, inline MNPT or 90  elbow connections.Model No.Conn. (in.)Range (GPM)TypeTypeF-451006LHN1\" FNPT0.5-6Polysulfone Molded In-LineIn-LineF-451001LHN1\" FNPT1.0-10Polysulfone Molded In-LineIn-LineF-451001LHNE1\" MNPT1.0-10Polysulfone Molded In-LinePanel MountF-451002LHN1\" FNPT2.0-20Polysulfone Molded In-LineIn-LineF-451002LHNE1\" MNPT2.0-20Polysulfone Molded In-LinePanel MountF-451003LHKN1\" FNPT3.0-30Polysulfone Mld. For Highly Corrosive ApplicationsIn-LineF-451003LHN1\" FNPT3.0-30Polysulfone Molded In-LineIn-LineF-451003LHNE1\" MNPT3.0-30Polysulfone Molded In-LinePanel MountF-451003LHN-241 1/2\" FNPT3.0-30Polysulfone Molded In-LineIn-LineF-451004LHN1\" FNPT4.0-40Polysulfone Molded In-LineIn-LineF-451004LHNE1\" MNPT4.0-40Polysulfone Molded In-LinePanel MountF-451004LHN-241 1/2\" FNPT4.0-40Polysulfone Molded In-LineIn-LineNote: Please contact Applied Membranes Inc. for additional pricing and availability on models that are not listed.  Back to TopFeaturesRotameter Flowmeter FeaturesMetering Tube: Machined Cast AcrylicInternal Components: 316L Stainless SteelInlet/Outlet Fittings: FNPTFitting Material: PVCElastomers: EPRBlue-White Variable Area flowmeters are offered in several styles for a wide variety of applications. Check the  details  tab for information on each product line.  Back to TopApplicationsApplications for Rotameter FlowmetersReverse Osmosis SystemsTap WaterGroundwaterSeawaterCommercial Water Treatment  Back to TopPartsRelated Commercial RO ProductsPressure Gauges for Commercial ROHM Digital Controller TDS Monitor for Commercial ROHanna Instruments for Commercial RO SystemsMyron L Instruments for Commercial RO SystemsSignet Instruments for Commercial RO Systems  Back to TopLiteratureKing 7520 Panel Mounted Rotameter Flowmeter SpecificationsKing 7520 Panel Mounted Rotameter Flowmeter Installation InstructionsKing 7510 In-Line Rotameter Flowmeter SpecificationsKing 7510 In-Line Rotameter Flowmeter Installation InstructionsBlue-White F-300 Rotameter Flowmeter Technical Data SheetBlue-White F-400 Rotameter Flowmeter Technical Data SheetBlue-White F-400 Rotameter Flowmeter Instruction ManualBlue-White F-440 Rotameter Flowmeter Technical Data SheetBlue-White F-440 Rotameter Flowmeter Instruction ManualBlue-White F-450 Rotameter Flowmeter Technical Data SheetBlue-White F-450 Rotameter Flowmeter Instruction ManualAMI Commercial Components Catalog