seametrics SPX, SPT User Manual
S-Series
I
SPT, SPX LOW FLOW METERS
SPX
SPT
Precision Flow Measurement
An ON
CON Brand
APPLICATIONS
Low ow monitoring
Chemical batching
Proportional chemical
injection
Fertilizer injection
Features
• Accurate at low ows
• Simple and durable
• Compatible with a variety of
chemicals
• Visual ow monitoring
(SPX Only)
These versatile impeller owmeters 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 ow rates and superior life.
The SPX, with a body of polypropylene, is an economical choice for
metering water or low corrosion uids. The lens cover is available in a
choice of materials: acrylic for visual ow indication of low-corrosion
uids; polypropylene when more corrosion resistance is needed. The
standard rotor assembly is Kynar® with tungsten carbide shaft. The
O-ring is EPDM.
The SPT oers greater chemical resistance with a Teon® body and
cover, Teon®-coated Viton® O-ring, and standard Kynar®/ceramic rotor
assembly.
The pulse output of these meters is compatible with many dierent
types of controls, including a full range of Seametrics rate displays and
controls. The Seametrics FT430 and FT440 provide ow rate and total
ow 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.
Contact Your Supplier
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ISO
9001
253.872.0284 seametrics.com
PROUDLY
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MADE
IN THE
USA
S-SERIES
SPT, SPX LOW FLOW METERS
Features
18’ Sensor Cable
Thread-in Sensor, Field Replaceable,
6–24 Vdc Pulse
Standard Acrylic Top with Clear
Removable Lens Assembly
(optional polypropylene top
without clear lens)
Hex Screws
Female NPT Ports
Polyproylene Body
SPX
Internal
• Jewel Bearings—Ruby Ring and Ball
• Kynar®/Tungsten Carbide Rotor Assembly (Kynar®/Ceramic or
Kynar®/Silicon Carbide optional)
• EPDM O-Ring (Viton® or Teon®-coated Viton® optional)
18’ Sensor Cable
Thread-in Sensor, Field Replaceable,
6–24 Vdc Pulse
Screws with Hex Nuts
Female NPT Ports
Teon® Body and Top
Field Replacement
of Sensor
Internal
• Jewel Bearings—Ruby Ring and Ball
• Kynar®/Ceramic Rotor Assembly (Kynar®/Silicon Carbide
optional)
• Teon®-coated Viton® O-Ring (Viton® or EPDM optional)
253.872.0284 Page 2 seametrics.com
SPT
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