ST75 Series Mass Flow Meters
Product Overview
ST75 Series mass flow meters from FCI are a compact, low cost solution for accurate, repeatable direct mass flow measurement of air and gases. As an in-line (spool-piece) style flow meter the ST75 has no moving parts and are compatible with pipe diameters ranging from 1/4 inches to 2 inches, or 6 mm to 51 mm.
Housed in a rugged, IP67 rated enclosure, the ST75 is built with dual conduit ports in either NPT or M20 threading and process connection options include male NPT, female NPT, and flanged. In addition, these thermal flow meters feature 100:1 turndown and (depending on pipe size), will measure from 0.01 SCFM to 559 SCFM or 0,01 NCMH to 950 NCMH.
For more information about the ST80 series mass flow meter, contact a Cross process solutions expert or take a look at further information below. As an exclusive representative for Fluid Components International, Cross offers the complete line of FCI flow equipment throughout our territories in the mid-Atlantic area, including; Maryland, Virginia, and Washington D.C.
Applications
- Burner and boiler fuel and air feed lines
- Industrial furnaces, kilns and oven fuel/air controls
- Natural gas sub-metering
- Chiller air flow measurements
- Dosing and gas injection rate controls
- Heat treating gas controls industrial furnaces, kilns and oven fuel/air controls
- Air compressor system control and point-of-use monitoring
- Co-gen and turbine generator fuel flow measurements
Specifications
Accuracy: Model ST75, ST75A
- Standard: ± 2% reading, ± 0.5% full scale
- Optional: ± 1% reading, ± 0.5% full scale
Accuracy: Model ST75V, ST75AV
- Standard: ± 1% reading, ± 0.5% full scale
Temperature Coefficient: (at calibrated conditions)
With optional extended temperature compensation; valid from 10% to 100% of full-scale calibration
- Flow: Maximum ± 0.025% of reading/ºF up to 250ºF [±0.05% of reading/ºC up to 121 ºC]
Repeatability: ± 0.5% reading
Turndown Ratio: Factory set at 3:1 to 100:1
Temperature Compensation:
- Standard 40°F to 100°F [4°C to 38°C]
- Optional: 0°F to 250°F [-18°C to 121°C]
Turndown Ratio: 10:1 to 100:1
Installation: In-line “T”, NPT or tube
Type: Thermal dispersion
Materials of Construction: All-welded 316 stainless steel probe element with Hastelloy-C22 thermowells; 316 stainless steel NPT and tube fittings; ST75 V and ST75 AV flow body is schedule 40 stainless steel.
Process Connection:
- T-fitting [NPT female]: 1/4″, 1/2″, 3/4″, 1″, 1 1/2″ or 2″
- Tubing: 1/4″, 1/2″ or 1″
Operating Temperature: 0°F to250°F [-18°C to 121°C]
Operating Pressure:
- T-fitting [NPT female]: 240 psig [16,5 bar(g)]
- Tube: 600 psig [ 41 bar(g)]
For full specifications, including certifications, agency approvals and ratings, download the product specification sheet below.
