SRZ helical screw flowmeters
Measuring/dosing high-viscosity products
Helical flow meters (SRZ) are volumetric flow meters that are mainly used for highly viscous, abrasive, and contaminated fluids, as well as for lubricating and non-lubricating fluids. These include polyurethane, polymers, and viscous materials, as well as greases and oils of all kinds. Thanks to their design, temperature fluctuations and the resulting changes in fluid viscosity have only a marginal effect on measurement accuracy. Only high-quality stainless steels that can withstand even corrosive media are used in the manufacture of screw flow meters. Short response times, highly dynamic behavior, and high measurement accuracy ensure precise regulation and control of volume flows in demanding applications.
Models
Helical screw flow meter
SRZ ST
- Measuring range (l/min)
0.4 to 400 l/min
- Measurement accuracy
up to ±0.1 %
- Repeatability
±0.05 % (under the same conditions)
- Linearity
up to ±0.25 % of the current flow rate
- Body
AISI 303, AISI 316L
- Screw
DIN 1.4122
- Bearing
Tungsten carbide
- Pressure
up to 315 bar
- Working temperature
-40°C to +150°C
Helical screw flow meter (roller bearing)
SRZ KL
- Measuring range (l/min)
0.4 to 400 l/min
- Measurement accuracy
up to ±0.1 %
- Repeatability
±0.05 % (under the same conditions)
- Linearity
up to ±0.25 % of the current flow rate
- Body
AISI 303, AISI 316L
- Screw
DIN 1.4122
- Bearing
Stainless steel bearing
- Pressure
up to 315 bar
- Working temperature
-40°C to +180°C
High-resolution helicoidal screw flow meter with integrated electronics
SRZ HR
- Measuring range (l/min)
0.4 to 400 l/min
- Measurement accuracy
up to ±0.1 %
- Repeatability
±0.05 % (under the same conditions)
- Linearity
up to ±0.25 % of the current flow rate
- Body
AISI 303, AISI 316L
- Screw
DIN 1.4122
- Bearing
Tungsten carbide
- Pressure
up to 250 bar
- Working temperature
-20°C to +70°C
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