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» » » » » » Seametrics Single Jet Low Flow Meter SPT & SPX Series

Teflon Flow Meter (SPT)  | Polypropylen Flow Meter (SPX) | Low Flow Meter

Single Jet Low Flow Meter, Woltman Flow Meter

These versatile impeller flowmeters are available in 3/8”, 1/2”, 3/4”, and 1” nominal pipe sizes with female NPT threads. They employ jewel bearings to allow for very low minimum flow rates and superior life.
The SPX, with a body of polypropylene, is an economical choice for metering water or low corrosion fluids. The lens cover is available in a choice of materials: acrylic for visual flow indication of low-corrosion fluids; polypropylene when more corrosion resistance is needed. The standard rotor assembly is Kynar® with a tungsten carbide shaft. The O-ring is EPDM.
The SPT offers greater chemical resistance with a Teflon® body and cover, Teflon®-coated Viton® O-ring, and standard Kynar®/ceramic rotor assembly. The pulse output of these meters is compatible with many different types of controls, including a full range of Seametrics rate displays and controls.
The Seametrics FT430 and FT440 provide flow rate and total flow indication. The FT440 also includes 4-20 mA output capability. The FT450 is a battery-operated rate & total display. For metering pump pacing or interfacing with low-speed counters, the PD10 pulse divider is recommended. The AO55 may be used for blind 4-20 mA transmission


  • Low flow, chemical resistant flow meter in sizes 3/8″ to 1″
  • Versatile square-wave signal connects to PLC’s, counters, and Seametrics controls
  • Only one moving part
  • Sight flow indication
  • Replaceable non-wetted solid-state pickup
  • Wide flow range


  • Low flow monitoring
  • Chemical batching
  • Proportional chemical injection
  • Fertilizer injection





Connection Ports3/8”, 1/2”, 3/4”, 1” —Female NPT thread3/8”, 1/2”, 3/4”, 1” —Female NPT thread
Sensor Cable18 ft (6 m) standard—maximum cable run 2000 ft (607 m)18 ft (6 m) standard—maximum cable run 2000 ft (607 m)
MaterialsBodyPolypropyleneTFE Teflon®
RotorPVDF (Kynar®)—2 magnet(6 magnets high resolution optionalPVDF (Kynar®)—2 magnet(6 magnets high resolution optional
ShaftNickel tungsten carbide(ceramic or silicon carbide optional)Zirconia ceramic(silicon carbide optional
O-RingEDPM (Viton® or Teflon®-coated Viton® optional)Teflon®-coated Viton®(Viton® or EDPM optional)
BearingsRuby ring and ballRuby ring and ball
CoverAcrylic with clear lens ( polypropylene without clear lens optionalTFE Teflon®
Maximum Temperature160 ̊ F (70 ̊ C)180 ̊ F (82 ̊ C)
Maximum Pressure150 psi (10 bar)150 psi (10 bar)
Accuracy±1% of a full scale±1% of a full scale
PowerStandard6–36 Vdc, 2 mA min.6–36 Vdc, 2 mA min.
Micropower3.1–16 Vdc (for use with FT450 and DL76 only)3.1–16 Vdc (for use with FT450 and DL76 only)
OutputsCurrent sinking pulse, 6–24 VdcCurrent sinking pulse, 6–24 Vdc


More information please Email Marketing@wmablog.com

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