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SPT/SPX
Brand: Seametrics, IncThese versatile impeller flowmeters are availalble 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 polypropylene body, 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 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.
Features- Low flow meter in PTFE Teflon for maximum chemical resistance
- Versatile square-wave signal connects to PLC's, counters, and SeaMetrics controls
- Only one moving part
- Replaceable non-wetted solid-state pickup
- Wide flow range
Specifications
Brand
Connection Ports
- 3/8”, 1/2”, 3/4”, 1” —Female NPT thread
Sensor Cable
- 18 ft (6 m) standard—maximum cable run 2000 ft (607 m)
Body
- TFE Teflon
Rotor
- PVDF (Kynar®)—2 magnet (6 magnet high resolution optional)
Shaft
- Zirconia ceramic (silicon carbide optional)
O-Ring
- Teflon-coated Viton (Viton or EDPM optional)
Bearings
- Ruby ring and ball
Cover
- TFE Teflon
Maximum Temperature
- 180° F (82° C)
Maximum Pressure
- 150 psi (10 bar)
Accuracy
- ± 1 % of full scale
Standard
- 6-36 Vdc, 2 mA min
Micropower
- 3.1-16 Vdc (for use with FT450 and DL76 only)
Outputs
- Current sinking pulse, 6-24 Vdc