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A helical flow meter is a highly accurate positive displacement flow meter featuring two interlocking helical screw-shaped gears within intersecting cylindrical bores. As fluid flows through the meter, these gears rotate with minimal pressure drop due to their inline orientation. Helical flow meters are commonly used in industries such as petrochemicals, automotive, and general industrial, where precise flow measurement of high viscosity fluids is essential. The top benefits of helical flow meters over other flow meter types include their exceptional accuracy across wide flow ranges, minimal pressure loss during operation, superior handling of high viscosity fluids, and reliable performance in harsh conditions. Additionally, their robust design ensures longevity and reduces the need for frequent maintenance.
Minimum Order Quantity: 1 Piece
Product Brochure
| Application Media | Any Liquid |
| Material | Stainless Steel |
| Accuracy | +-0.5% over full range with 30cP fluid |
| Flow Range | 0.1 to 10.6 gpm | 0.26 to 26.4 gpm | 1.1 to 105.7 gpm |
| Max. Operating Pressure | 4,500 psi | 315 bar |
| Fluid Temperature | -40 DegreeF to 302 DegreeF (-40 DegreeC to 150 DegreeC) |
| Ports | NPT standard, BSPP optional |
The SRZ-BB Helical PD Flow Meter is part of AW-Lake’s next generation of positive displacement flow meters. The SRZ-BB can be used on a variety of fats and oils of different viscosities as well as hydraulic testing along with water and glycol mixtures. The SRZ-BB offers a wide variety of pickups, sensors and monitors as well as controllers to pair with the flow meter, including frequency, analog and battery, loop or DC power displays. AW-Lake offers a wide selection of Sensors/Pickups and Monitors/Controllers to optimize flow measurement and deliver your flow data where you need it and in the format you need it.
SRZ-BB Helical PD flow meters with stainless steel housing and ball bearings were designed for measuring lower viscosity, non-abrasive fluids, such as in lubrication systems.
Practical applications include:
Additional Information:
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Minimum Order Quantity: 1 Piece
Product Brochure
| Application Media | Any Liquid |
| Accuracy | +-0.5% over full range with 30cP fluid |
| Flow Range | 0.1 to 10.6 gpm | 0.38 to 40.1 LPM |
| Max. Operating Pressure | up to 3,600 psi | 250 bar |
| Fluid Temperature Range | -40 to 158 DegreeF | -40 to 70 DegreeC |
| Ports | 3/4" NPT (BSPP optional) |
The SRZ-H High Resolution Helical PD Flow Meters are ideal for high viscosity non-lubricating and abrasive fluids with suspended particulates, such as water-based paints, polymers, glues, and sealing materials, as well as heavy fuel oils. These positive displacement flow meters are equipped with a built-in sensor and are capable of maintaining consistent accuracy of ±0.5% despite changing viscosity conditions.
Practical applications include:
Additional Information:
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Minimum Order Quantity: 1 Piece
Product Brochure
| Application Media | Any Liquid |
| Material | Stainless Steel |
| Accuracy | +-0.5% over full range with 30cP fluid |
| Flow Range | 0.1 to 10.6 gpm | 0.26 to 26.4 gpm | 1.1 to 105.7 gpm |
| Max Operating Pressure | 4,500 psi | 315 bar |
| Fluid Temperature | -40 DegreeF to 302 DegreeF (-40 DegreeC to 150 DegreeC) |
| Ports | NPT standard, BSPP optional |
SRZ-TC Helical PD flow meters with tungsten carbide sleeve bushing were designed for measuring high viscosity, abrasive, and filled fluids as well as lubricating and non-lubricating fluids. Temperature fluctuations and the resulting change in viscosity of the fluid only marginally affect the measuring accuracy of these helical gear flow meters. Practical applications include:
Additional Information:
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