Knowledge base

Practical articles about submersible pumps: how to choose the right pump, solve common problems and get installations right – written from our own experience as pump specialists.

Special applications
Tsurumi 50SFQ2,75 — echte productfoto als basis, omgeving illustratief bewerkt

Pumping chemical or aggressive water safely: ho...

There is no such thing as “chemically resistant” in general. Here is how to choose a pump based on substance, concentration, pH and temperature, and why the gasket often fails...

Pumping chemical or aggressive water safely: ho...

There is no such thing as “chemically resistant” in general. Here is how to choose a pump based on substance, concentration, pH and temperature, and why the gasket often fails...

Special applications
Tsurumi 50TM2,4S — echte productfoto als basis, omgeving illustratief bewerkt

Pumping salt or brackish water: which submersib...

Salt water destroys an ordinary pump. Find out which material holds up in brackish water and seawater: plastic with titanium, stainless steel 304 or stainless steel 316.

Pumping salt or brackish water: which submersib...

Salt water destroys an ordinary pump. Find out which material holds up in brackish water and seawater: plastic with titanium, stainless steel 304 or stainless steel 316.

Maintenance & faults

Preparing a submersible pump for winter: checkl...

How to prevent frost damage and a seized pump in spring. Checklist for portable pumps, permanent pumps in a sump or basement, and garden and pond pumps.

Preparing a submersible pump for winter: checkl...

How to prevent frost damage and a seized pump in spring. Checklist for portable pumps, permanent pumps in a sump or basement, and garden and pond pumps.

Installation & connection
Opvoerhoogte en debiet berekenen voor jouw situatie – illustratieve productfoto

Calculate head and flow for your situation

Add the static height to the pressure loss in the pipe, then select a pump whose pump curve achieves this flow rate at that head.

Calculate head and flow for your situation

Add the static height to the pressure loss in the pipe, then select a pump whose pump curve achieves this flow rate at that head.

Construction & dewatering
Bouwput droog houden: capaciteit berekenen en de juiste bouwpomp – illustratieve productfoto

Keeping the excavation dry: calculating capacit...

Calculate the flow based on the inflow; the HOMA HBP522/537/555 provides high capacity for continuous dewatering of construction pits.

Keeping the excavation dry: calculating capacit...

Calculate the flow based on the inflow; the HOMA HBP522/537/555 provides high capacity for continuous dewatering of construction pits.

Choosing a pump
Vuilwaterpomp met grote vrije doorlaat kiezen – illustratieve productfoto

Choosing a dirty water pump with a large free p...

The HOMA TP-series ranges from 28 mm (TP28) to 50-65 mm free passage (TP50V), allowing fibers and solids to pass through without problems.

Choosing a dirty water pump with a large free p...

The HOMA TP-series ranges from 28 mm (TP28) to 50-65 mm free passage (TP50V), allowing fibers and solids to pass through without problems.

Flooding
Wateroverlast na hevige regen: noodplan en calamiteitenset – illustratieve productfoto

Flooding after heavy rain: emergency plan and d...

A calamity kit like the Flut-Box contains a pump, hose, and couplings and is immediately deployable in case of flooding.

Flooding after heavy rain: emergency plan and d...

A calamity kit like the Flut-Box contains a pump, hose, and couplings and is immediately deployable in case of flooding.

Wastewater & lifting stations
Toilet in de kelder zonder riool op afschot: zo werkt het – illustratieve productfoto

Toilet in the basement without a sloped sewer l...

With a WC macerator such as the HOMA San.iQ cut, you can install a toilet in the basement without a slope to the sewer.

Toilet in the basement without a sloped sewer l...

With a WC macerator such as the HOMA San.iQ cut, you can install a toilet in the basement without a slope to the sewer.

Flat suction pumps
Wat is een vlakzuigende dompelpomp? – illustratieve productfoto

What is a submersible pump with flat suction?

A flat suction pump draws water away through its base down to about 1 to 2 mm of residual water, whereas a standard submersible pump leaves centimetres behind. Popular models...

What is a submersible pump with flat suction?

A flat suction pump draws water away through its base down to about 1 to 2 mm of residual water, whereas a standard submersible pump leaves centimetres behind. Popular models...

Flooding
Kruipruimte vol water: oorzaken en de juiste pomp – illustratieve productfoto

Crawl space full of water: causes and the right...

Water in the crawl space is usually caused by high groundwater, a leaking pipe or rainwater running along the facade. A low-profile flat suction pump with a sensor, such as...

Crawl space full of water: causes and the right...

Water in the crawl space is usually caused by high groundwater, a leaking pipe or rainwater running along the facade. A low-profile flat suction pump with a sensor, such as...

Flooding
Kelder onder water: wat nu en welke dompelpomp heb je nodig? – illustratieve productfoto

Basement flooded: what now and which submersibl...

Flooded basement? First switch off the power, then pump the water away from the lowest point. If your basement gets wet more often, choose a pump with a float switch...

Basement flooded: what now and which submersibl...

Flooded basement? First switch off the power, then pump the water away from the lowest point. If your basement gets wet more often, choose a pump with a float switch...

Choosing a pump
Simer 5 vervangen door Simer 6: wat is er beter? – illustratieve productfoto

Simer 5 replaced by Simer 6: what's better?

The Pentair Simer 6 is the successor: more powerful (6,000 l/h), with a built-in non-return valve, and still pumps dry down to 2 mm.

Simer 5 replaced by Simer 6: what's better?

The Pentair Simer 6 is the successor: more powerful (6,000 l/h), with a built-in non-return valve, and still pumps dry down to 2 mm.