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SRZ KL Series Helical Flow Meters

Measuring Accuracy：Up to ±0.1 %
Repeatability：±0.05 % (under the same conditions)
Linearity：±0.5 % of actual flow (viscosity ≥ 30 mm2/s)
±0.25 % of actual flow (viscosity ≥ 100 mm2/s)
Materials：Housing: as per DIN 1.4305 [AISI 303], 1.4404 [AISI 316L]
Helicals: as per DIN 1.4122
Bearing: Stainless steel ball bearing
Seals: FKM, PTFE (others on request)
Medium Temperature：-40 °C up to +180 °C [-40 °F up to +356 °F] (others on request)

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Datasheet

Details

Applications
? Hydraulic and gear oils
? Fats and waxes
? Water/glycol mixtures
? Light to heavy fuel oil
? All sorts of fuels
? Thixotropic liquids

Features
? High measuring accuracy up to ±0.1 %
? Exceptional repeatability of ±0.05 %
? Measuring range up to 1:100
? Short response times
? Pressure-resistant up to 315 bar[4,500 psi]
? Argely independent of viscosity, perfect for 1 to 1x10⁶ mm2/s
? Low pressure drop compared with other positive displacement meters
? High resolution
? Pulsation-free measurement, non-sensitive to pulsating flows
? Resistant to corrosion by advanced materials and bearings

Technical Data

SRZ Type	Measuring Range (l/min)	K-Factor (pulses/l)	max. Pressure (bar/psi)	Frequency (Hz)	Weight (kg)
SRZ 40	0.4 to 40	3,500	400 [5,800]	20 to 2,350	6.2
SRZ 100	1.0 to 100	850	400 [5,800]	14 to 1,450	15.0
SRZ 400	4.0 to 400	214	400 [5,800]	14 to 1,450	34.0