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KRAL

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Sierra

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'.

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Helical Screw Flow Meters
Click Photo for Spec Sheet

Description

Accuracy

Flow Range

Max. Pressures/ Temperatures

Liquid

Features

OME
KRAL10

Low cost Aluminium meter for general applications with low pressures and temperatures with 3 meter sizes from 1/2" to 1" .

  • ±0.1 to 0.3% linearity
  • ±0.01% repeatability

  • OME13 (1/2") 0.1 - 10l/min,
  • OME20 (3/4") 0.3 - 30l/min,
  • OME32 (1") 1 - 100l/min

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.

OMG
KRAL10

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".

  • ±0.1 to 0.3% linearity
  • ±0.01% repeatability

  • OMG13 (1/2") 0.1 - 10l/min,
  • OMG20 (3/4") 0.3 - 30l/min,
  • OMG32 (1") 1 - 100l/ min,
  • OMG52 (11/2") 3.5 - 350l/min,
  • OMG68 (2") 7 - 700l/ min,
  • OMG100 (4") 20 - 2000l/ min,
  • OMG140 (6") 50 - 7500l/ min,

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.

OMH
KRAL10

Designed for very high pressure. Spheroidal graphite cast iron and steel bodied meter with 6 meter sizes from 1/2" to 4".

  • ±0.1 to 0.3% linearity
  • ±0.01% repeatability

  • OMH13 (1/2") 0.1 - 10l/min,
  • OMH20 (3/4") 0.3 - 30l/min,
  • OMH32 (1") 1 - 100l/ min,
  • OMH52 (11/2") 3.5 - 350l/min,
  • OMH68 (2") 7 - 700l/ min,
  • OMH100 (4") 20 -2000l/ min,

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.

OMK
KRAL10

Designed for corrosive applications. 304 or 316 stainless steel bodied meter with PTFE spindles and 3 meter sizes from 1/2" to 1".

  • ±0.5 to 1% linearity
  • ±0.1% repeatability

  • OMK13 (1/2") 0.2 - 10l/min,
  • OMK20 (3/4") 0.6 - 30l/min,
  • OMK32 (1") 2 - 100l/ min,

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.

OMX
KRAL10

Designed for ultra high pressure applications. Stainless steel bodied meter with nitride steel spindles specially designed for pressures of 630 bar and higher.

  • ±0.1 to 0.3% linearity
  • ±0.01% repeatability

  • OMX13 (1/2") 0.1 - 10l/min,
  • OMX20 (3/4") 0.3 - 30l/min,
  • OMX32 (1") 1 - 100l/ min,
  • OMX52 (11/2") 3.5 - 350l/min,
  • OMX68 (2") 7 - 700l/ min,
  • OMX100 (4") 20 - 2000l/ min,

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.

Click Photo for Spec Sheet

Description

Accuracy

Flow Range

Liquid

Max. Pressures/Temperatures

Features

Fuel Consumption Measurement
Fuel Consumption Measurement

Engine related fuel consumption measurement, influenced by pressure pulses of the injection pumps, is now possible.

With two sensors, bidirectional measurement is possible. Pressure pulses can cause brief reversal of the flow direction. The impulse selectors detect reverse flow and correct the total.

Typically up to 2000 l/min.

All fuel including Diesel fuel (LFO), Heavy fuel oil (HFO) & Marine fuel oil (MFO)

Up to 250bar, 80°C

  • Exact Measurement of Fuel Usage;
  • Reliable Flow Measurement with Pulsating Flow;
  • Insensitive to System Vibrations

Turbine Fuel & Water Injection Measurement
Turbine Fuel & Water Injection Measurement

Accurate, reliable and leakage-free fuel consumption measurement, is now possible.

The extremely accurate KRAL Volumeters are installed directly in the fuel supply system. In multiturbine installations, a difference measurement of the supply and return flow can provide individual turbine data.

Typically up to 2000 l/min

All fuel including Turbine Diesel and marine fuel

Up to 250bar, 80°C

Fuel Cost Reduction; Downtime Reduction; Compact Design; Robust Design;

Instrumentation for Kral Flowmeters
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Click Photo for Spec Sheet

Description

Features

Input Power

Output Signals

Other

BEM series
BEM Series

BEM 300 and 500; Electronic units coordinated to KRAL flowmeters and their diverse applications

  • 76x25mm LCD display
  • 5 robust micro-switches
  • Panel, wall or pipe mount

  • 90-260 Vac 50/60Hz
  • 24 Vdc ±20%

Scalable 4-20 mA or 0-10 Vdc, pulse output, Modbus

Optional temperature and pressure pulse compensation. Two channel, mass conversion, linearisation.

FlowPod
FlowPod

Display Instrument with Flow rate/Accumulated flow display and linearisation. Five 13mm and eleven 7mm digits.

  • 8 digit LCD display and unique analogue ribbon
  • Programming by RS485 or front panel
  • 16 point linearisation
  • Wall mounted

  • 24 Vdc
  • Supplies up to 15Vdc max 50mA

Pulse, 4-20mA, MODBUS as standard.

  • 8 digit LCD display and unique analogue ribbon
  • On site calibration

M.BDC60 Batcher
M.BDC60 Batcher

Display Instrument for Batching with Flow rate/Accumulated flow display and linearisation. Large LED character size.

  • 8 digit LED display
  • Programming and batch set by front panel
  • 16 point linearisation
  • Panel mounted

  • 24 Vdc
  • 95 to 265 Vac 50Hz/60Hz

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

  • On site calibration mode
  • Total reset
  • Optional outputs

F112
F112

Flow rate/total and accumulated total display instrument, 15 point linearisation. Hazardous Area option.

  • Seven 17mm and eleven 8mm digits.
  • Direct or wall mount.

  • 8-28 Vdc.
  • 2-24 Vac/dc or 115-240 Vac supply option.

  • Pulse, 4-20mA, as standard.
  • MODBUS, RS485, 0-10V option
  • IP67 NEMA4X GRP enclosure, Aluminium option

  • For flow alarm option see F118
  • -30°C to +80°C
  • IP67 NEMA4X GRP enclosure, Aluminium option

F118
F118

Flow rate/total and accumulated total display instrument, 15 point linearisation. High/Low alarms. Hazardous Area option.

  • Seven 17mm and eleven 8mm digits.
  • Direct or wall mount.

  • 8-28 Vdc.
  • 2-24 Vac/dc or 115-240 Vac supply option.

  • Pulse, 4-20mA, as standard.
  • MODBUS, RS485, 0-10V option
  • IP67 NEMA4X GRP enclosure, Aluminium option

  • Without flow alarm option see F112
  • -30°C to +80°C
  • IP67 NEMA4X GRP enclosure, Aluminium option