Too much pulsation in the flow stream will show up as apparent vibration, or bouncing, of the rotameter
's float, and this is an indication that the observed flow cannot be relied on as accurate.
KDG Instruments' Rotameter
range comprises glass and metal tube products, in sizes from 63mm to 500mm tube lengths.
These versatile optical sensor switches can be used with the company's P, S and T rotameters
. A kit is available for comparable flow meters.
Models 104 and 107 liquid Flo-Sensors precisely measure flow rates of fluids as low as 13 mL/minute, and are designed as an electronic alternative to ball-and-tube rotameters
. Stainless steel construction guarantees compatibility with virtually any chemical, including many solvents and organic compounds, according to the company.
Burkert Fluid Control Systems is offering its versatile new Type 8034 paddle-wheel flow-rate indicator as the modern replacement for outdated rotameters
Unlike fragile glass or plastic rotameters
, these flowmeters are constructed with aluminum or stainless steel bodies and operate at line pressures as high as 1,500 psig.
The 7330 Series rotameters
feature impact resistant polysulfone metering tubes that are suitable for many types of liquid service.
The self contained column unit includes feed and tailings pumps, control panel, automatic level control system, rotameters
for air and wash water, air pressure regulator and a wash water distribution system.