In the world of fluid dynamics and industrial processes, accurate measurement of liquid and gas flow rates is paramount. Variable Area Flow Meters, also known as Rotameters, stand out as versatile and reliable instruments for this crucial task. In this comprehensive guide, we will delve into the depths of these flow meters, exploring their working principles, applications, advantages, and how they contribute to optimizing your processes.
Totalmas Sdn Bhd, as the exclusive distributor of SmartMeasurement’s Variable Area Flow Meters in Kuala Lumpur, Malaysia, reinforces the reliability of these instruments. With our expertise and commitment to quality, we ensure that customers in Malaysia have access to the best flow measurement solutions available.
In this ever-evolving world of technology, Variable Area Flow Meters remain a steadfast and trusted tool for accurate flow measurement. Embracing their simplicity and efficiency allows industries to maintain control, optimize processes, and ultimately, ensure the safe and efficient handling of fluids.
Variable Area Flow Meters are mechanical devices designed to measure the flow rate of liquids and gases. They operate on the principle of variable flow area, where the flow rate is directly proportional to the position of a float or piston within a conically shaped tube.
These flow meters operate by establishing a delicate equilibrium between the opposing forces induced by fluid flow and gravity on a buoyant float within a tapered tube. This equilibrium position serves as a real-time indicator of the fluid’s flow rate.
The instruments’ elegance lies in their simplicity, providing immediate and accurate flow rate information without the necessity for intricate electronic sensors or advanced technologies. In the professional arena, Variable Area Flow Meters are essential assets for achieving precise fluid flow measurements that underpin efficient and controlled industrial processes.
Variable Area Flow Meters work by creating a delicate equilibrium between the forces exerted by fluid flow and gravity on a floating object situated within a tapered tube. This equilibrium position is directly indicative of the fluid’s flow rate.
These meters are favored for their straightforward operation, reliability, and capacity to provide immediate, accurate flow rate information without necessitating the use of complex electronic sensors or advanced technologies.
They are indispensable tools in various industries where precise fluid flow measurement is critical for efficient and controlled processes.
Standard Variable Area
½~10" (15-250 mm)
Water (20 °C) (10~300000 L/h) 0.04~1320 GPM, Air (20℃, 0.1013MPa) (0.7 ~ 3.000 m3/h) 0.04~1765 SCFM
-40-482 °F ( -40~+250 °C)
1.0 % Full Scale
½" (15mm) <30 mPa.s, 1" (25mm) 2"(50mm) <300 mPa.s
½" (15mm) ~ 2" (50mm) 580 psi (4Mpa), >2.½" (65mm) 232 psi (1.6MPa)
SS# 304/316/316L and more
4-20mA, MODBUS, HART and alarms
Flanges (ANSI, DN, JIS) threaded
Liquid & compressed gasses
Chemical lines, filtration loading, hydraulic fluids, blending applications, makeup water for food & beverage plants
Sanitary Variable Area
¼~10" (8-250mm)
Water (20 °C) (10~300000 L/h) 0.04~1320 GPM, Air (20 °C, 0.1013MPa) (0.7 ~ 3.000 m3/h) 0.04~1765 SCFM
-40-482 °F ( -40~+250 °C)
1.0 % Full Scale
½" (15mm) <30 mPa.s, 1" (25mm) 2"(50mm) <300 mPa.s
½" (15mm) ~ 2" (50mm) 580PSI (4Mpa), >2½" (65mm) 232PSI (1.6Mpa)
SS# 304/316/316L and more
Analog, Pulse, RS232/485 MODBUS
Sanitary / Tri-Clamp®
Liquid & compressed gasses
Makeup water for food & beverage plants, brewery, pharmaceutical
Self-Powered Variable Area
½~10" (15-250 mm)
Water (20 °C) (10~300000 L/h) 0.04~1320 GPM, Air (20 °C, 0.1013 MPa) (0.7 ~ 3.000 m3/h) 0.04~1765 SCFM
-112-752 °F ( -80~+400 °C)
1.5 % Full Scale
½" (15mm) <30 mPa.s, 1" (25mm) 2" (50mm) <300 mPa.s
½" (15mm) ~ 2" (50mm) 580 psi (4Mpa), >2½" (65mm) 232 psi (1.6 MPa)
SS# 304/316/316L and more
No Power Needed
Flanges (ANSI, DN, JIS) threaded
Liquid & compressed gasses
Chemical lines, filtration loading, hydraulic fluids, blending applications, makeup water for food & beverage plants