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KRAL flowmeters provide both sturdy design and high precision. For over 30 years, KRAL products have satisfied a wide range of customer requirements. This engineering experience and manufacturing capacity ensures both cost-effective and high quality production. The unit is supplied with the Litre Meter standard or Intrinsically-safe pick-up and pulse output transmitter system. 'Laboratory precision even in harsh industrial applications'. |
| Helical Screw Flow Meters | ||||||
Click Photo for Spec Sheet |
Description |
Accuracy |
Flow Range |
Max. Pressures/ Temperatures |
Liquid |
Features |
Low cost Aluminium meter for general applications with low pressures and temperatures with 3 meter sizes from 1/2" to 1" . |
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Suitable for pressures up to 40bar and temperature ranges from -20 to +100°C (optionally higher) |
Any non-abrasive chemically compatible slightly lubricating liquid with viscosities up to 1,000,000 cSt. |
All meters provided with female BSP threaded connections as standard. Flanged and alternative end connections also offered. Hazardous area approved units available on request. |
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Designed for use with medium pressure and high temperature. Grey cast iron and steel bodied meter with 7 meter sizes from 1/2" to 6". |
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Suitable for pressures from 40 to 250bar and temperature ranges from -20 to +250°C. Standard sensor + 80°C. |
Any non-abrasive chemically compatible slightly lubricating liquid with viscosities up to 1,000,000 cSt |
All meters provided with female BSP threaded connections as standard. Flanged and alternative end connections also offered. Hazardous area approved units available on request. |
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Designed for very high pressure. Spheroidal graphite cast iron and steel bodied meter with 6 meter sizes from 1/2" to 4". |
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Suitable for pressures up to 420 bar and temperature ranges from -20 to +250°C. |
Any non-abrasive chemically compatible slightly lubricating fluid with viscosities up to 1,000,000 cSt. |
All meters provided with female BSP threaded connections as standard. SAE, flanged and alternative end connections also offered. Hazardous area approved units available on request. |
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Designed for corrosive applications. 304 or 316 stainless steel bodied meter with PTFE spindles and 3 meter sizes from 1/2" to 1". |
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Suitable for pressures up to 40 bar and temperature ranges from -20 to +100°C. |
Any non-abrasive chemically compatible slightly lubricating fluid with viscosities up to 1,000,000 cSt |
All meters provided with female BSP threaded connections as standard. Flanged and alternative end connections also offered. Hazardous area approved units available on request. |
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Designed for ultra high pressure applications. Stainless steel bodied meter with nitride steel spindles specially designed for pressures of 630 bar and higher. |
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Suitable for pressures up to 690bar (and optionally higher) and temperature ranges from -20 to +50°C (optionally higher) |
Any non-abrasive chemically compatible slightly lubricating liquid with viscosities up to 1,000,000 cSt. |
All meters are application specific and end connections can be configured to suit. Flanged, Autoclave high pressure and alternative end connections also offered. Hazardous area approved units available on request. |
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Instrumentation for Kral Flowmeters |
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Click Photo for Spec Sheet |
Description |
Features |
Input Power |
Output Signals |
Other |
BEM 300 and 500; Electronic units coordinated to KRAL flowmeters and their diverse applications |
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Scalable 4-20 mA or 0-10 Vdc, pulse output, Modbus |
Optional temperature and pressure pulse compensation. Two channel, mass conversion, linearisation. |
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Display Instrument with Flow rate/Accumulated flow display and linearisation. Five 13mm and eleven 7mm digits. |
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Pulse, 4-20mA, MODBUS as standard. |
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Display Instrument for Batching with Flow rate/Accumulated flow display and linearisation. Large LED character size. |
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Standard 2 channel flow alarm with SPCO relays (rated 240Vac 5A resistive and 3A inductive loads). Can also be configured for flow status and/or valve leakage. Pulse, 4-20mA & 0-5Vdc options |
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Flow rate/total and accumulated total display instrument, 15 point linearisation. Hazardous Area option. |
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Flow rate/total and accumulated total display instrument, 15 point linearisation. High/Low alarms. Hazardous Area option. |
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