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Oct . 19, 2025 13:20 Back to list

200QJR Deep Well Submersible Pump | High Head & High Flow

Field notes on the 200QJR Deep Well Submersible Pump

When you spend time around drillers and ag managers, one name keeps popping up for deep columns and sandy water: the 200QJR Deep Well Submersible Pump. It comes out of No. 6 Xingyuan Road, West District, Lincheng Economic Development Zone, Hebei Province, and, to be honest, the factory’s willingness to tweak details for oddball wells is what first caught my eye. They undertake OEM processing and build non‑standard motors and pumps to spec—rare and handy when geology doesn’t play nice.

200QJR Deep Well Submersible Pump | High Head & High Flow

What it is (and isn’t)

The 200QJR Deep Well Submersible Pump is a multistage, radial/partially mixed-flow unit for 8-inch wells (≈200 mm casing). It’s built around GB/T2816-2014 for pumps and GB/T2818-2014 for submersible asynchronous motors—those are the yardsticks in this corner of the world. In practice, that means predictable curves, tight leakage limits, and motor thermal performance that doesn’t drift in July heat.

200QJR Deep Well Submersible Pump | High Head & High Flow

Core specifications (real-world use may vary)

ParameterTypical Range/Value
Well casing size8 in (≈200 mm)
Flow (Q)≈25–160 m³/h
Head (H)≈60–420 m
Motor power22–110 kW (50/60 Hz options)
Voltage380/400/415/460/575 V
EfficiencyPump peak η ≈ 73–80%; motor η ≈ 88–92%
Materials304/316 SS bowls & shaft, cast iron/CF8M options, SiC mechanical seal, NBR elastomers
Sand tolerance≤0.01% by mass (typ.)
ProtectionIP68, Insulation Class F

Manufacturing & test flow (how it’s built)

  • Materials: 304/316 stainless bowls, precision-cast impellers, heat-treated shaft, SiC/SiC seal faces.
  • Methods: VPI stator impregnation, dynamic balancing (ISO 1940 G2.5), CNC vane profiling, hydrostatic pressure test at 1.5× rated.
  • Performance testing: per GB/T2816 curve validation; motor per GB/T2818 and IEC 60034-1 checks (hi-pot, surge, insulation).
  • Service life: around 20,000–30,000 running hours with clean power and proper filtration, based on factory field returns.
200QJR Deep Well Submersible Pump | High Head & High Flow

Where it’s being used

Irrigation districts (pivot and drip), municipal backup wells, mining dewatering, geothermal test holes, and livestock water supply. One Hebei farm pushed a 160 m³/h model at ~180 m TDH during peak season; another customer in a limestone belt reported stable drawdown despite fines—surprisingly calm amperage trace, too.

Why buyers pick it

  • OEM customization: odd voltages, flange changes, sand guards, anti-corrosion packages.
  • Standards-first design: GB/T baselines make maintenance predictable.
  • Testing transparency: factory shares curve sheets and motor test cards—many customers say this reduces commissioning guesswork.
200QJR Deep Well Submersible Pump | High Head & High Flow

Quick vendor comparison (my notes)

VendorStrengthsWatch-outs
WellPump (200QJR)OEM flexibility, solid GB/T compliance, fast spares lead timeDocumentation style varies slightly by batch
Brand A (EU)Premium stainless and coatings, wide distributor networkPrice premium ≈15–25%
Brand B (US)Great VFD support, strong documentationLonger lead times for 60 Hz deep heads

Case snippets and feedback

Mining pit, Inner Mongolia: a 90 kW set ran 24/7 for 11 months; post-pull inspection showed 200QJR Deep Well Submersible Pump wear rings within tolerance. Municipal standby, coastal city: 316SS build resisted chloride stress; operators liked the quiet start on soft-starter. Not perfect—one ag install saw seal wear from silty surge during flushing. After adding a sand shroud, amperage stabilized.

Compliance, certifications, and contact

Conforms to GB/T2816-2014 and GB/T2818-2014; factory typically maintains ISO 9001 quality management. CE available on request. For custom builds (non-standard heads, metallurgy, cable lengths), WhatsApp: 17855846335. I guess the standout is how quickly they iterate small design tweaks without blowing up your budget.

References

  1. GB/T 2816-2014 Well Submersible Pump standard. National Public Service Platform for Standards Information: https://std.samr.gov.cn/
  2. GB/T 2818-2014 Well Submersible Asynchronous Motor standard. National Public Service Platform for Standards Information: https://std.samr.gov.cn/
  3. ISO 9906:2012 Rotodynamic pumps — Hydraulic performance acceptance tests. ISO: https://www.iso.org/standard/52052.html


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