Submersible Well Pump Description
When you're pulling water from a borehole 40, 80, or even 150 meters deep, you can't afford to guess. You need a deep well water pump that was engineered for the pressure, the depth, and the duty cycle your well actually demands — not a generic unit sized on paper. The Hydroman® 150TQJ(R)5-100 is a submersible deep well water pump built to sit below the waterline and lift groundwater reliably, day after day, whether you're supplying a farm, a village, a factory, or a geothermal loop.
This is a deep well submersible pump in the true sense of the term: the motor and the pump end both go down into the well together, sealed and cooled by the water around them. There's no suction lift to fight, no priming to worry about, and no surface-mounted equipment fighting cavitation at depth. You lower it, you wire it, and it goes to work pulling water up from where the water actually is.
The "R" in the model code marks this unit's geothermal-capable configuration, which means the motor and shaft seals are built to tolerate warmer water than a standard cold-water borehole pump — useful if you're pulling from a thermal aquifer or a well with elevated ground temperature, not just a shallow cold well. Hydroman® builds these to order across flow, head, voltage, and material combinations, so the 150TQJ(R)5-100 you install can be matched precisely to your well rather than forcing your well to work around an off-the-shelf pump.
Hydroman® model numbers aren't marketing — they're a spec sheet in shorthand. For the 150TQJ(R)5-100:
| Code segment | Meaning |
| 150 | Minimum well/casing diameter required: 150 mm (6") |
| TQJ | Submersible borehole pump |
| (R) | Geothermal-application variant (elevated water temperature tolerance) |
| 5 | Design flow capacity: 5 m³/h |
| 100 | Total design head: 100 m |
That means before you even open a spec sheet, you already know this pump is built for a 6-inch (or larger) borehole, sized to deliver roughly 5 cubic meters of water per hour, against a total dynamic head of around 100 meters. That's a moderate-flow, high-head duty point — typical of a deeper residential, agricultural, or geothermal borehole where the water table sits well below ground level and pipeline friction adds up over distance.
Key Features of the 150TQJ(R)5-100
This isn't a pump adapted for deep wells — it's a pump designed for them from the shaft up. The 150TQJ(R)5-100 hangs on its riser pipe below the dynamic water level, so it's always pumping from a flooded suction. There's no lift limit to work around, which is exactly why submersible technology dominates any well deeper than a jet pump can reasonably reach.
Putting the motor underwater sounds counterintuitive until you see the advantages stack up: the surrounding groundwater cools the motor continuously, the small diameter slides into standard 6" casing, and you eliminate the suction-side losses that limit surface pumps to shallow applications. For a submersible well water pump, this is the difference between a unit that struggles past 8 meters of lift and one that comfortably handles 100 meters of total head.
The multistage impeller-and-diffuser stack is matched to the 5 m³/h duty point so the pump runs near its best efficiency point rather than throttled or overworked. That translates to steadier discharge pressure at the tank or manifold and lower energy cost per cubic meter delivered over the life of the installation.
Everything about this pump's geometry — its 150 mm minimum-casing rating, its slim motor body, its vertical-only mounting — is built around one constraint: boreholes are narrow. You're not clearing space for a pump house or a suction manifold. The entire working assembly lives inside the casing you already drilled.
Stainless steel impellers and diffusers resist the scaling and corrosion that shorten pump life in mineral-heavy groundwater. Mechanical shaft seals and thrust bearings are sized for continuous duty rather than intermittent residential cycling, and the (R) motor variant adds thermal margin for warmer well water. If you're comparing this against other options on the market, this is what separates a best deep well water pump candidate from a pump that's simply the cheapest one that fits the casing.
Hydroman® 150TQJ(R)5-100 Deep Well Water Pump Curve
150TQJ(R)5-100 Technical Specifications
Use the table below as your baseline reference. Because Hydroman® configures voltage, cable length, outlet fitting, and materials to order, always confirm the exact build sheet for your unit before finalizing project drawings.
| Model | 150TQJ(R)5-100 |
| Pump type | Deep well submersible borehole pump |
| Application variant | (R) — geothermal / elevated water temperature |
| Minimum well diameter | 150 mm (6") |
| Maximum out diameter of the set | 143 mm |
| Rated flow | 5 m³/h (≈ 22 US GPM / 1.39 L/s) |
| Total head | 100 m (≈ 328 ft) |
| Motor power | 3 kW (4 HP) class, per voltage configuration |
| Rated voltage | 380–415 V three-phase (project-specific) |
| Frequency | 50 Hz / 60 Hz |
| Rated speed | 2850 rpm (2-pole submersible motor) |
| Motor type | Water-filled or oil-filled submersible motor |
| Water temperature | Standard duty up to ~35°C; (R) variant rated for elevated geothermal temperatures per motor build |
| Impeller/diffuser material | Stainless steel (SS304 or SS316 on request) |
| Pump shell | Stainless steel or high-grade cast iron |
| Installation | Vertical, fully submerged in well |
| Max sand content | Low-sand duty as standard; abrasion-resistant builds available on request |
Flow, head, and power figures reflect the standard duty point encoded in the model name. Actual curve data, NPSH, and per-stage figures vary with the exact impeller stack and motor pairing — request the full performance curve for your configuration before ordering.
The physics are straightforward, but getting each stage right is what determines whether your well delivers water reliably for ten years or fails in two:
The relationship that governs sizing runs in one direction:
Well depth and dynamic water level → required flow rate → total dynamic head (lift + friction + delivery pressure) → motor power → discharge point.
Get any one of those wrong — undersize the head, ignore friction losses in a long pipeline, or oversize the motor "just in case" — and you either starve the system of pressure or burn electricity moving water you don't need moved that fast.
Applications of the 150TQJ(R)5-100 Deep Well Pump
Deep well and groundwater water supply. The core use case: lifting water from a drilled borehole to a storage tank or pressure system for general water supply.
Agricultural irrigation. Farmland irrigation, center-pivot and sprinkler systems, drip irrigation networks, and general agricultural water supply where groundwater is the primary source.
Residential and rural water supply. Private wells, farmhouses, and rural communities without access to municipal mains, where a dependable, low-maintenance groundwater source matters most.
Municipal and community water systems. Small-scale municipal supply and community well systems drawing from groundwater rather than surface reservoirs.
Industrial water supply. Process water, cooling water, and utility water for factories and industrial sites with on-site groundwater wells.
Geothermal and elevated-temperature groundwater. The (R) variant specifically targets wells with warmer-than-typical water — geothermal extraction, hot spring-adjacent aquifers, or industrial sites where source water runs above standard cold-well temperatures.
How to Choose the Right Deep Well Water Pump
The instinct to "buy the biggest motor available" is one of the most common — and most expensive — mistakes in well pump selection. Sizing correctly means working through the actual duty conditions, not just picking a number that sounds safe.
Start with required flow rate. Work out your average daily demand and your peak simultaneous demand (irrigation zones running together). Undersizing starves peak demand; oversizing wastes energy and accelerates wear from excessive cycling.
Then calculate required head. Add up the static lift from dynamic water level to the surface, the vertical rise to your delivery point, friction losses along the full pipeline length, and whatever pressure you need at the outlet. Total dynamic head — not just well depth — is what actually determines pump selection.
Check well diameter against pump outer diameter. A 150TQJ(R)5-100 needs a minimum 150 mm (6") casing with enough clearance for the pump body, cable, and any centralizers. Measure, don't assume.
Account for water quality. Sand and suspended solids accelerate impeller and bearing wear; elevated temperature (as with geothermal sources) requires the motor thermal rating the (R) variant provides. Corrosive water chemistry may call for higher-grade stainless components.
Match motor power to flow and head — not to your budget for "extra margin." A motor sized correctly to its duty point runs at or near its best efficiency point.
Deep Well Water Pump Price and Buying Options
If you've been searching for deep well water pump price or browsing deep well water pumps for sale, you've probably noticed that reputable suppliers don't publish a single fixed number — and for good reason. The 150TQJ(R)5-100, like most borehole pumps in this class, is configured per project. Final pricing depends on:
A pump quoted for a 40-meter residential well with standard cable length looks nothing like a pump quoted for a 120-meter industrial well with extended cable, a custom control panel, and abrasion-resistant components — even if both carry the same base model number.
150TQJ(R)5-100 Deep Well Pump Replacement
Every submersible pump has a service life, and knowing the warning signs saves you from an unplanned dry well or a burned-out motor. Consider a deep well pump replacement if you notice:
Reduced water output at the same drawdown level, rising power consumption for the same delivered flow, unusual vibration or noise from the wellhead, motor failure or repeated tripping of overload protection, visibly worn impellers or diffusers on pulled equipment, corrosion or mechanical damage on the pump body, or breakdowns that are becoming more frequent rather than isolated incidents.
The safest approach is to match — or deliberately exceed, with justification — your original pump's core specifications: rated flow, total head, pump outer diameter (against your actual casing), motor power, voltage, outlet connection size, intended installation depth, and any water-quality requirements the original build accounted for (sand tolerance, corrosion resistance, temperature rating). Swapping in a pump sized on assumption rather than on the original's real performance data is one of the most common causes of premature failure in replacement installations.
Operation and Maintenance of a Deep Well Water Pump
Monitor performance regularly. Track flow, discharge pressure, and motor current over time. A slow drift in any of these is usually the earliest warning sign of wear, scaling, or a developing well problem — far cheaper to catch early than after a full failure.
Never let the pump run dry. Submersible motors rely on the surrounding water for cooling. Dry-running, even briefly, can overheat and damage the motor windings. Dry-run protection on the control panel is inexpensive insurance against a very expensive failure.
Inspect the electrical system. Cables, control panels, terminal connections, grounding, and motor protection devices should be checked on a schedule — moisture ingress and connection corrosion are common failure points that have nothing to do with the pump's hydraulics.
Watch sand and suspended solids. Even modest sand content accelerates wear on impellers, diffusers, and bearings over time. If your well produces sand, that's a factor to flag before ordering, not after the first impeller wears through.
Set a preventive maintenance schedule based on real conditions. Operating hours, water quality, and site-specific factors should drive your inspection interval — a pump running continuous industrial duty in sandy water needs a very different maintenance rhythm than a residential well running a few hours a day.
Why Choose Hydroman® Deep Well Water Pumps?
Engineering-focused manufacturing. Hydroman® builds submersible pumping equipment for industrial, agricultural, and municipal water applications, with borehole pump lines engineered around the actual hydraulic and mechanical demands of deep groundwater extraction — not adapted from surface pump platforms.
Configured for your well conditions. Flow, head, motor power, voltage, materials, and installation details are matched to your project rather than sold as a fixed one-size-fits-all unit.
OEM and project supply. Hydroman® supports distributors, contractors, water system integrators, and agricultural, municipal, and industrial project teams with configuration flexibility and volume supply.
Technical support that goes beyond the sale. From pump selection and performance matching through installation guidance, spare parts, replacement units, and after-sales technical support, Hydroman®'s team stays involved once the pump is in the ground — not just at the point of purchase.
Deep Well Water Pump Installation Guide
Correct installation is the single biggest factor in how long a submersible pump actually lasts in the field. If you're planning deep well water pump installation for the 150TQJ(R)5-100, work through the well conditions before the pump ever goes near the casing.
Confirm the well's actual diameter, total depth, static water level, and dynamic (pumping) water level under load — not just what the drilling log says. Check water quality (sand, turbidity, temperature) and confirm there's enough surface space and lifting capacity to handle the pump, motor, and riser pipe safely.
Inspect the pump end, motor, power cable, discharge/riser pipe, couplings, and lifting equipment before anything goes into the well. Cable splices and pipe joints should be checked and pressure-tested where practical — a fault found at the surface costs minutes; the same fault found 80 meters down costs a full pull and re-install.
Thread or flange the pump outlet to the first section of riser pipe, securing the power cable to the pipe at regular intervals with cable clamps or ties so it can't snag, twist, or chafe as sections are added.
Lower the assembly vertically and slowly, section by section, keeping the cable protected and the pipe centered in the casing. Never allow the pump or cable to drag against the casing wall or well screen on the way down.
Match the motor's rated voltage and frequency exactly to the supply. Install proper motor protection (overload and dry-run protection at minimum), ground the system correctly, and protect all above-ground cable runs and the control panel from weather and mechanical damage.
Before committing to continuous operation, verify rotation direction (on three-phase units), running current against nameplate values, actual flow and discharge pressure, and listen for abnormal vibration or noise. Confirm delivered water quality is acceptable before connecting to a potable supply.
Always follow the specific installation instructions in your Hydroman® product manual along with local electrical codes and well-construction regulations — this guide is a general reference, not a substitute for the documentation shipped with your unit.
| Factor | Deep well pump (submersible) | Shallow well pump (surface/jet) |
| Installation depth | Fully submerged, 20–150+ m typical range | Surface-mounted, limited to shallow suction lift (~8 m practical max) |
| Pumping method | Positive lift from submerged multistage impellers | Suction lift plus impeller boost, limited by atmospheric pressure |
| Suction limitations | None — always flooded suction | Significant — cavitation risk beyond suction lift limits |
| Typical applications | Deep boreholes, agricultural and municipal wells | Shallow dug wells, cisterns, boosting from a nearby tank |
| Installation conditions | Requires casing access and cable/pipe handling equipment | Simple surface installation, easy access for maintenance |
A jet pump stays at the surface and uses a venturi/suction arrangement to draw water up from the well — workable for shallow wells, but efficiency drops sharply as depth increases and suction lift approaches its physical limit. A submersible well pump goes into the water itself, so it pushes rather than pulls, which is why it remains efficient at depths a jet pump simply can't reach. Maintenance trades off the other way: a jet pump is easier to service because it's accessible at the surface, while a submersible unit requires pulling the pipe string for major repairs — one reason correct sizing and installation matter so much upfront.
You'll see both terms used in the market, and they're often describing overlapping equipment categories rather than fundamentally different technologies. A vertical deep well pump typically refers to the vertical orientation and multistage construction shared by most borehole pumps, submersible or otherwise. When you're comparing options, focus less on the label and more on the specifics: pump structure, installation method, rated head and flow, motor placement, and — critically — whether the unit matches your actual well diameter and water conditions.
A submersible pump is installed inside the well, fully underwater, and pushes water up from below — which means no suction lift limit and strong performance at real borehole depths. A jet pump stays at the surface and pulls water up using a venturi arrangement, which works fine in shallow wells but loses efficiency fast as depth increases, and generally needs more frequent maintenance attention since suction-side air leaks and priming issues are common failure points.
Sizing comes down to your required flow rate, total dynamic head (not just well depth), well diameter, water level, pipeline friction losses, and application demand. Well depth alone does not determine pump size — a shallow well feeding a long, high-friction pipeline can require more head than a deeper well feeding a short, direct line.
Service life depends on water quality, sand content, operating hours, correct sizing for the application, installation quality, electrical protection, and how consistently preventive maintenance is followed. There's no single universal lifespan number that applies across every well and every duty cycle — a correctly sized pump in clean water with good electrical protection will substantially outlast an undersized pump fighting sand and voltage fluctuations.
Deep well water pump price depends on flow and head requirements, motor power, materials, cable length, accessories, order quantity, and destination. Rather than quoting a generic figure that won't match your actual well, send your project details to Hydroman® for a configuration-based quotation.
Yes. Submersible deep well pumps like the 150TQJ(R)5-100 are widely used for agricultural irrigation — sprinkler systems, drip networks, and general farmland water supply — anywhere groundwater is the source and the well is deep enough to require submersible rather than surface pumping.
The allowable installation depth depends on the specific pump and motor rating, cable length and specification, well construction, water temperature, and the manufacturer's rated operating conditions for that build. Always check the rated depth and cable length for your specific configuration rather than assuming a general maximum.
Voltage depends on the motor configuration ordered and the local power supply available at your site. Hydroman® configures the 150TQJ(R)5-100 for submersible deep well water pump 220V single-phase builds as well as 380–415V three-phase builds — not every deep well pump runs on a single standard voltage, so confirm your configuration against your actual power supply before ordering.
In short: verify the well's diameter, depth, and water levels; prepare and inspect the pump, cable, and riser pipe; connect and lower the assembly vertically without straining the cable; wire the electrical system with correct protection and grounding; then test rotation, current, flow, and pressure before continuous operation. See the full Deep Well Water Pump Installation Guide above for the complete step-by-step process.
Pull the existing pump and riser assembly, inspect the well and casing, then install a replacement matched to — or deliberately upgraded from, with clear justification — the original pump's flow, head, diameter, motor power, voltage, and installation depth. See the 150TQJ(R)5-100 Deep Well Pump Replacement section above for the full selection criteria.
Request a Quote for Hydroman® 150TQJ(R)5-100
Looking for a reliable deep well water pump for your water supply, irrigation, or groundwater project? Contact Hydroman® for technical specifications, pump selection assistance, pricing, and OEM solutions for the 150TQJ(R)5-100.
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