The Smith Meter Model ST-75-SS is the stainless steel version of the DN65 (2.5-inch) ST-75 single-case, straight-through rotary vane positive displacement meter. Stainless steel housing and internals with PEEK and PTFE seals suit it to chemicals and other liquids that are not compatible with iron or aluminum, on tank trucks or as a line meter for batching, blending, dispensing, inventory control and custody transfer.
Key specifications
Size: DN65 (2.5 in), straight-through; ANSI Class 150 or DIN 1092-1 raised-face flanges (3 in ANSI option)
Flow range: Typical 120-1,200 L/min (approx. 32-317 GPM)
Max working pressure: 16 bar (232 psi)
Viscosity: 400 mPa·s standard; to 2 Pa·s with high-viscosity clearances
Temperature: -40 to +65 °C standard; to 100 °C with high-temperature clearances
Meter gearing: 1 dekaliter or 1 US gallon per output shaft revolution
Materials: Stainless steel housing and internals, PEEK components, PTFE seals
How to specify / order
The bulletin gives an ordering checklist rather than a position-by-position model code. Provide the following with your RFQ:
Application: Batching, loading, blending, inventory, process control
Operating conditions: Liquid name, viscosity (min/max) and gravity; min/normal/max flow; temperature range; maximum working pressure
Units of registration: Liters, dekaliters, gallons, kilograms or pounds
Flange size: Standard or 3 in ANSI option
Clearances: Standard, high viscosity or high temperature
Accessories: As required (counters, pulse transmitter, strainer, valves)
Pricing and lead time are quoted per configuration. Send the model code (or your application details), product, flow range, and pressure/temperature to Flow Measurement Services for a quote. Specifications summarized from Smith Meter bulletin SS01106E; confirm current data with the factory before ordering.
Smith Meter (formerly FMC Technologies / TechnipFMC Measurement Solutions), now manufactured by Guidant. Flow Measurement Services supplies and services Smith Meter equipment.