1Differential pressure monitoring. Differential pressure monitoring. An optical display or an electrical differential monitor with signal can be used.

2Pump variations. Pump variations. Single stations can be set up with KRAL pumps for pressures up to 40 bar.

3Heating. Heating. For preheating highly viscous fluids.

4Constant pressure monitoring. Constant pressure monitoring. A manometer is fitted to the middle of the station to allow for monitoring of the feed pressure.

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KRAL Oil Burner Pump Stations EK / EL.

Oil burner pump as complete station with additional functions.

These positive displacement pump stations combine all the advantages of the KRAL screw pumps K and L with additional functions for smooth and user-friendly operation. KRAL screw pumps convey highly efficient lubricating fluids, are low-wear, very compact and space-saving.

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Overview Screw Pumps Apercu Pompes a vis Przeglad Pompy srubowe Vista general Bombas de husillo roscado Visao geral Bombas parafuso Обзор Винтовые насосы

Operation, materials, components.

Delivery rate: 5 to 280 l/min.
Max. differential pressure: 40 bar.
Temperature range: -20 °C to 180 °C.
Housing: Nodular cast iron EN-GJS-400.
Screws: Steel, nitrided.
Approvals: ABS, BV, CCS, DNV, GL, LRS, MRS, NK, RINA.
ATEX: II 2 GD b/c group II, category 2.
Heating: Electrical, media or steam.
For viscous fluids up to 7,000 mm²/s.

The functions of the oil burner supply station of KRAL with K or L series screw pumps can be expanded individually, for example with:

Pressure regulation
Degassing
Flow metering
Filter
Gas / air separator.

The mounted display instruments can swivel. Left- or right-handed installation can be set up individually at the site.

KRAL offers the optimal solution for every customer requirement. Just ask us, we have probably solved a similar problem already!

Your advantages.

Function individually expandable.
Display instruments can swivel.
Left- or right-handed installation.
Equipped with KRAL screw pumps up to 40 bar.
Low-wear and compact.
Optimal solution for every customer requirement.
For burner applications.

EK series.

Technical data	5-10	15-26	32-55
Qth (1450 min^-1, 0 bar)	l/min	5-10	15-26	32-58

Max. pressure at pressure flange	bar	6	6	6

Temperature max. pumped liquid	°C
with radial shaft seal NBR		80	80	80
with radial shaft seal FKM		150	150	150
with mechanical seal standard		150	150	150
with mechanical seal hard material		180	180	180

Viscosity	mm²/s
min.		1.1	1.1	1.1
max.		7,000	7,000	7,000

Max. pressure at suction flange	bar
with radial sealing ring		6	6	6
with mechanical seal standard		6	6	6
with mechanical seal hard material		6	6	6

EL series.

Technical data	5-10	15-26	32-54
Qth (1450 min^-1, 0 bar)	l/min	5-10	15-26	32-57

Max. pressure at pressure flange	bar	40	40	40

Temperature max. pumped liquid	°C
with radial shaft seal NBR		80	80	80
with radial shaft seal FKM		150	150	150
with mechanical seal standard		150	150	150
with mechanical seal hard material		180	180	180

Viscosity	mm²/s
min.		1.1	1.1	1.1
max.		7,000	7,000	7,000

Max. pressure at suction flange	bar
with radial sealing ring		6	6	6
with mechanical seal standard		6	6	6
with mechanical seal hard material		6	6	6

Single pump station EKL11/EKS11.

For viscosity values from 1.1 to 7,000 mm²/s. Consists of a K series screw pump with built-in safety valve, large sized strainer and delivery ball valves as well as pressure and vacuum gauges with shut-off facility. More options on request.

Single pump station EKL12/EKS12.

Product search resultssingle station vertical

Same as EKL11/EKS11, but in addition with built-in safety valve, large sized strainer and delivery ball valves as well as pressure and vacuum gauges with shut-off facility with an additional pressure regulator. More options on request.

Single pump station EKL13/EKS13.

Single pump station EKL14.

Same as EKL11, but in addition with built-in safety valve, large sized strainer and delivery ball valves as well as pressure and vacuum gauges with shut-off facility with an additional pressure regulator, a gas / air separator and a KRAL flowmeter. More options on request.

Single pump station ELL11/ELS11.

For viscosity values from 1.1 to 7,000 mm²/s. Consists of a L series screw pump with built-in safety valve, large sized strainer and delivery ball valves as well as pressure and vacuum gauges with shut-off facility. More options on request.

Single pump station ELL12/ELS12.

Same as ELL11/ELS11, but in addition with built-in safety valve, large sized strainer and delivery ball valves as well as pressure and vacuum gauges with shut-off facility with an additional pressure regulator. More options on request.

Single pump station ELL13/ELS13.

Single pump station ELL14.

Same as ELL11, but in addition with built-in safety valve, large sized strainer and delivery ball valves as well as pressure and vacuum gauges with shut-off facility with an additional pressure regulator, a gas / air separator and a KRAL flowmeter. More options on request.

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