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D-2-4, Setia Walk,
Pusat Bandar Puchong,
47160 Puchong, Selangor
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Variable Area Flow Meters

Designed to provide economical, accurate flowrate indication for oil and water, many utilize a spring and piston type assembly, which enables them to be mounted in any position, and gives immunity to changes in viscosity.
Panel Mount Flowmeters
  • Accuracy: ±5% Full Scale
  • Direct Reading Scales
  • Solid One-Piece Acrylic Body
  • Scales with GPM and LPM
  • Panel Mount
In-line Flow meters
  • Direct Reading Scales
  • Low Pressure Drop - 2 psi Max
  • Liquid Flowmeter
High-capacity In-line Flowmeters
  • Direct Reading Scales
  • One-Piece Molded Polysulfone
  • Floats Available in 316SS or TFE
  • 316SS Float Guide Reduces Float Oscillation
  • Low Pressure Drop

In-line Flowmeters With Half Union Adaptors
  • Available in In-Line and Panel Mount Styles
  • Models with Protective Shield and for Harsh Environments
  • One-Piece Meter Body of Injection Molded Polysulfone
  • Floats made of 316SS, TFE , or Hastelloy C
FL-9300 Series
Easy-View Flowmeters
  • 1½ to 2" Ports
  • No Special Piping or Flow Straighteners Needed
  • Installs in Any Position
  • Direct Reading Indication
  • Accuracy Within ±5% Full Scale
  • Relatively Insensitive to Shock and Vibration
  • Optional Flow Switch Modules
FL9000-AC Series
Easy-View Flow meters with Adjustable Flow Alarm
  • Easy to Install, In Any Position
  • No Special Piping or Flow Straighteners Required
  • Automatically Signals Alarm
  • ±5% FS Accuracy
  • ±1% FS Repeatability
  • Direct Reading Scale
Easy-view Flowmeters
  • ±5% Full Scale Accuracy
  • Direct Reading for Oil and Water
  • NPT or Solder Fittings
  • Polysulfone Construction
  • Compact Size with Vertical Connections
  • Large Easy-to-Read Scale
  • Unique Spring Piston Mechanism
Large Capacity In-line Flowmeters - Capacities: 3 to 150 GPM of Water/3 to 150 GPM of Oil
  • ±2% Full Scale Accuracy
  • ±1% Full Scale Repeatability
  • Mounts in Any Position
  • Direct Reading for Oil and Water
  • 3500 psig Pressure Rating
  • Vertical Connections for In-Line Mounting
  • High Viscosity Immunity
Economical In-line Flowmeters
  • ±2% Full Scale Accuracy
  • 1% Full Scale Repeatability
  • Mounts in Any Position
  • Good Viscosity Stability
  • Direct Readings for Oil and Water
  • 3500 psig Pressure Rating
  • Vertical Connectors for In-Line Mounting 
OEM Style Acrylic Rotameters
  • 50 mm, 75 mm, 100 mm, 127 mm and 250 mm (1.97", 2.96", 5" and 9.85") Scale Lengths
  • Floats Are Rod-Guided in Most Models
  • Direct Reading Scales
Economical In-line Flowmeters
  • ±2% Full Scale Accuracy
  • ±1% Repeatability
  • Direct Reading Scale for Water
  • For Corrosive Fluids
  • For High Pressure Systems
  • Mounts in Any Position
  • Vertical Connections for In-Line Mounting
In-line Flowmeters With Limit Switches
  • ±2% Full Scale Accuracy
  • ±1% Repeatability
  • Direct Readings for Oil, Water or Air
  • Built-in Limit Switch for Alarm and Control
  • Mounts in Any Direction
  • Easy Setpoint Adjustment
  • Splash-Proof Construction
  • Compact Size
  • 1/2 or 3/4" FNPT Connections
Economical In-line Flowmeters Capacity: 0.2 to 15 GPM for Water or Oil
  • ±2% Full Scale Accuracy
  • 1% Repeatability
  • Direct Readings for Oil or Water
  • Good Viscosity Stability
  • Mounts in Any Position
  • 3500 psig Pressure Rating
  • 116°C (240°F) Temperature Range
  • Vertical Connectors for In-Line Mounting
  • For Clear and Opaque Fluids
OEM Style Acrylic Rotameters
  • 50 mm, 75 mm, 127 mm, and 250 mm (1.97", 2.96", 5" and 9.85") Scale Lengths
  • Floats Are Rod-Guided in Most Models
  • Metering Valves Available
  • Rear Inserts Provided for Panel Mounting
  • Direct Reading Scales
65 mm and 150 mm Rotameters
  • ±2% Full Scale Accuracy
  • Non-Rotating Seal Spindle
  • Easy-to-Read Scale Design
  • Special Lock Nut Design for Easy Tube Replacement
65 AND 150 mm Rotameters
  • ±2% FS Accuracy
  • Non-Rotating Seal Spindle
  • Easy-to-Read Scale Design
  • Special Dimensions for Interchangeability
PTFE Rotameters with PTFE Valves
  • Excellent Chemical Compatibility for Use with Corrosive or Ultra-Pure Fluids
  • ±2% of Full Scale Accuracy
  • Shield Magnifies Scale for Accurate Readings
Pneumatic In-line Flowmeters With Multi-pressure Flow Scales
  • Easily Installs In Any Position
  • Rugged Anodized Aluminum Body
  • Multi-Pressure Flow Scale, 40 to 130 psig
  • ±2% FS Accuracy
  • ±1% Repeatability
  • Easy to Use With Direct Reading, Multi-Pressure Flow Scales
Pneumatic In-line Flowmeters
  • This rugged direct-reading flowmeter monitors air flow rates to determine optimum performance, flow regulator settings, or pneumatic system performance.
Direct Read Acrylic Rotameter Kits
  • Easy-to-Read Dual English and Metric Scales
  • Interchangeable Scales for 6 Common Gases and Water
  • Meters are Offered With or Without Built-In Needle Valves
  • Economical and Compact
  • Easy Disassembly and Assembly for Cleaning
Acrylic Flow Meters
  • Easy-to-Read English or Metric Scales
  • Water Ranges from 4 CCM to 20 GPM, Air Ranges from 40 CCM to 4000 LPM
  • Threaded Brass Inserts for Quick Installation
  • Easy Disassembly and Assembly for Maintenance
  • Durable One-Piece Clear Acrylic Construction
High Accuracy Rotameters
  • ±2% Full Scale Accuracy
  • ±½% Full Scale Repeatability
  • Glass and Stainless Steel Construction for Broad Media Compatibility
  • Correlation Equations for Use with Many Fluids
  • Side Plate Construction
  • 250 mm (9.85") Scale
Heavy Duty Flowmeters With Stainless Steel Enclosures
  • Heavy Duty 304 SS Case and Covers
  • 316 SS Rotatable Fittings Feature Dual Ports for Vertical or Horizontal Mounting
  • Unique Float Stop Design Allows Internals to Be Removed and Replaced Without Disturbing Tube or Shield
  • NIST Calibration Available
Stainless Steel Frame Flowmeters
  • Heavy Duty 304 SS Frame, End Plates, and Shield Retainers
  • Full 4.76 mm (3/16") Thick Polycarbonate Safety Shield
  • 316 SS In-Line (Vertical) Fittings
  • Detachable, Clear Polycarbonate Scale Plate
  • Direct Reading Scales (GPM Water or SCFM Air)
In-line Flowmeters for water and wastewater treatment
  • Direct Flow Indication
  • PVC Body and End Fittings
  • Titanium Shaft and Spring
  • Easily Mounted in Any Pipe Orientation Typical Applications:
  • Aluminum Sulfate (Alum) -Clarification
  • Chlorinated Water -Disinfection
In-line Flowmeters for Ultra-pure Water
  • Fluid Is Always in Sight
  • Direct Reading English and Metric Scale Standard
  • Electro-Polished Version of Standard 316 Stainless Steel Shaft and Spring Optionally Available
  • PVDF End Fittings
In-line Flow Meters for Use with Water and Air
  • Direct Reading in GPM, LPM, SCFM, and SLPM
  • Scales for Air and Water
  • Fluid is Always in View
  • Mount in Any Position
  • Easy to Clean and Maintain
  • ±5% Full Scale Accuracy
All Plastic Rotameters
  • NIST Calibration Available
  • Union Ends to Simplify Installation and Maintenance
  • Chemical- and Break-Resistant Metering Tube
  • See-Through, Detachable Direct Reading Scale (GPM Water)
  • Vertical In-Line Connections
Low Cost Industrial Rotameters With Capacities: 0.5 to 200 GPM of Water
  • Direct Reading Scales
  • Shatter Resistant Construction
  • Easy-to-Read 127 mm (5") Scale
  • Vertical Connections for Easy Installation
Rotameter for Liquid Flow
  • Chemically Inert Wetted Components
  • Removable Protective Shield
  • Individually Leak Tested
  • Direct Read Scale
Multiple Tube Rotameters
  • Interchangeable 150 mm Flow Tubes
  • Variety of Flow Configurations
  • ±2% FS Accuracy
  • Scales Designed to Minimize Parallax and Eye Fatigue
  • Aluminum or 316 SS End Fittings
Multi-tube Rotameters/Gas Proportioning Rotameters
  • ±2%FS Accuracy
  • Back Pressure Compensated for Accurate Blending
  • Blend Up To Three Gases
  • Save on Cost of Custom Gas Mixtures
  • Vary Concentrations With Operating System
Direct Read In-Line and Panel Rotameters
  • Rigid, Compact Construction
  • Dual, Rotatable, Direct Reading Scales for Air and Water
  • Graduations Reflect Both Metric and English Systems
  • Vertical In-line or Panel Mount
FLD100 Series
Stainless Steel Frame Industrial Flowmeters
  • Heavy Duty Stainless Steel
  • Thick Polycarbonate Safety Shields
  • Fluted or Plain Tapered Tubes
  • Direct Reading Metric and English System Scales
Direct Read Rotameters
  • Direct Read Rotameters for Air, Water, N2, H2, CO2, Ar, He, and O2
  • Rib-Guided or Fluted Metering Tubes Facilitate Stable, Accurate Readings
  • Magnifier Lens in Front Shields to Enhance Reading Resolution
  • Interchangeability of Flow Tubes and Floats
Clear In-Line Flowmeters
  • Mounts in Any Direction
  • Compact and Rugged
  • Allows Visual Fluid Inspection
  • Economical Design
  • No Straight Pipe Required
Variable Area In-line Pneumatic Flow Meters
  • Monitoring Most Pneumatic or Compressed Gas Systems
  • Flow Rates From 1 to 900 SCFM @ 100 psi
  • High Pressure: to 600 psi for Brass or Aluminum, 1000 psi for Stainless Steel
  • High Temperature—to 116°C (240°F) Standard, 204 or 316°C (400 or 600°F) Optional
Variable Area In-line Liquid Flowmeters
  • Direct Reading Dual Scale
  • Range 0.1 to 150 GPM (0.4 to 550 LPM)
  • High Pressure: 3500 psi (Brass or Aluminum); 6000 psi (Stainless Steel)
  • High Temperature: to 116°C (240°F) (Standard) or 204°C or 316°C (400 or 600°F) (Optional)
Flow Meter with Analog Outputs
  • 2% FS Accuracy
  • No Straight Pipe Run Required
  • Mounts in Any Position
  • 4 to 20 mA, 0 to 5 Vdc and 0 to 10 Vdc Outputs Standard
  • Digital Flow Rate and Total Flow Indicator
Rotameter with Alarm
  • HIGH or LOW Alarms
  • Compact Design
  • Liquid or Gas Applications
  • High or Low Flow Cutoff Applications
  • Dip Switch Configurable Buzzer, Relay, and LED
FL-W7100 Series
Direct Reading Analog Display Flowmeters
  • ±3% FS Accuracy
  • 120 mm (4.7") Scale Length
  • Dual Reading Scale
  • Stainless Steel and PVC Models
  • In-Line NPT Connections
  • All 316 Stainless Steel or PVC with Hastelloy Internals
FL-W Series
Rugged, Economical Flowmeters Capacity: 0.2 to 90 GPM of Water
  • ±5% Full Scale Accuracy
  • ±1% Reading Repeatability
  • Built-in Signal Switch
  • Vane or Piston Construction
  • Mounts in Any Position
  • Brass Housing for Economy
  • Non-Glass Construction
  • Temperature Rating


Ancor Sdn Bhd
D-2-4, Setiawalk, Pusat Bandar Puchong, 47160 Puchong, Selangor, Malaysia
Tel: +6012-921 3877 , 03-58797121
Email: ;